YOKOGAWA TA320 User Manual
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YOKOGAWA TA320 User Manual

YOKOGAWA TA320 User Manual

Time interval analyzer
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Time Interval Analyzer
IM 704210-01E
Yokogawa Electric Corporation
1st Edition

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  • Page 1 Time Interval Analyzer IM 704210-01E Yokogawa Electric Corporation 1st Edition...

  • Page 2: Foreword

    However, should you have any questions or find any errors, please contact your nearest YOKOGAWA representative as listed on the back cover of this manual. • Copying or reproduction of all or any part of the contents of this manual without YOKOGAWA’s permission is strictly prohibited.

  • Page 3: Checking The Contents Of The Package

    Checking the Contents of the Package Unpack the box and check the contents before operating the instrument. If the wrong instrument or accessories have been delivered, if some accessories are missing or if they appear abnormal, contact the dealer from which you purchased them. Main Body Check that the model name and suffix code given on the name plate of the rear panel match those on your order.

  • Page 4: Standard Accessories

    Checking the Contents of the Package Standard Accessories The following standard accessories are supplied with the instrument. Make sure that all items are present and undamaged. Power cord (one of the following power cords is supplied according to the instrument's suffix codes) UL/CSA standard VDE standard BS standard...

  • Page 5: Safety Precautions

    To prevent an electric shock or fire, be sure to use the power cord supplied by YOKOGAWA. The main power plug must be plugged in an outlet with protective grounding terminal. Do not invalidate protection by using an extension cord without protective grounding.

  • Page 6: Structure Of The Manual

    Structure of the Manual This User’s Manual consists of 12 chapters and an Index as described below. Chapter1 Functions Describes the measuring principles and functions of the instrument. No description is given for operating methods, however it is recommended that this chapter be read before operating the instrument to gain a basic understanding of what the instrument can do.

  • Page 7: Notations And Symbols Used In This Manual

    Notations and Symbols Used in this Manual Unit k :1000 (e.g. 100 kHz) K :1024 (e.g. 640 KB (floppy disk memory capacity)) Symbols Used The following symbols are used in this User’s Manual. To avoid injury or death of personnel, or damage to the instrument, the operator must refer to the User’s Manual.

  • Page 8: Table Of Contents

    Contents Foreword ......................................1 Checking the Contents of the Package .......................... 2 Safety Precautions ................................... 4 Structure of the Manual ................................5 Notations and Symbols Used in this Manual ....................... 6 Chapter 1 Functions System Configuration and Block Diagram ......................1-1 Measuring Principles and Sampling Mode ......................
  • Page 9 Contents Chapter 4 Common Operations Starting/Stopping Acquisition of a Measuring Input Signal ................4-1 Setting Numerical Values ........................... 4-2 Chapter 5 Setting the Sampling Mode and Measurement Function (Item) Selecting the Sampling Mode ..........................5-1 Setting Period Measurement ..........................5-2 Setting Time Interval Measurement ........................
  • Page 10 Contents Chapter 11 Troubleshooting and Maintenance 11.1 Troubleshooting ..............................11-1 11.2 Messages ................................11-2 11.3 Using the Error Logging Function ........................11-4 11.4 Executing the Self-test ............................11-5 11.5 Adjusting the Time Base ..........................11-8 11.6 Carrying out the Performance Test ........................11-9 11.7 Circuit Breaker ...............................

  • Page 11: System Configuration And Block Diagram

    1.1 System Configuration and Block Diagram System Configuration HP-GL compatible plotter • Hard copy • Set-up information list Inhibit input External arming input (the terminal is shared with external gate input) Reference input Monitor output Personal computer Reference output • Remote control •...

  • Page 12: Measuring Principles And Sampling Mode

    1.2 Measuring Principles and Sampling Mode Measuring Principles Time shorter than the period of the reference clock is called fractional time. In general, since the signal to be measured is not synchronized with the reference clock, fractional time exists at both beginning and end of measurement.

  • Page 13: Measurement Functions (Measurement Items)

    1.3 Measurement Functions (Measurement Items) Period ≡For operating procedure, refer to 5.2≡ The time from a rising (or falling) edge to the next rising (or falling) edge of the input signal is measured. Either rising or falling edge can be selected, and channel A or B can be selected for measurement.
  • Page 14 1.3 Measurement Functions (Measurement Items) Pulse Width ≡For operating procedure, refer to 5.4≡ The time between a rising (or falling) edge and the next falling (or rising) edge of the input signal is measured. For selection of combinations of polarity, refer to 5.4, “Setting Pulse Width Measurement”.

  • Page 15: Computation

    1.4 Computation Readout Function ≡For operating procedure, refer to 7.1 and 7.5≡ If histogram or time variation display format is selected (see 1.6), two markers (X1 and X2) will be displayed. This enables reading out of the coordinates of each cross-point of the markers and the histogram (or time variation).
  • Page 16 1.4 Computation Calculation ≡For operating procedure, refer to 7.1 and 7.7≡ The following functions are available to select/set parameters required for statistical computation. Selecting the calculation area This function allows the user to select whether to carry out statistical computation using the measured values present in the entire window of a histogram or using those present within the area enclosed by the markers.
  • Page 17 1.4 Computation Hardware histogram mode In the following formulas, “n” indicates the number of bins of a histogram. “Bin” refers to each bar of the histogram and indicates frequency of the same measured data. X indicates the class value of each bin. The width of bins varies depending on the specified span of X-axis, and may be as small as 100 ps.

  • Page 18: Setting The Acquisition Conditions For Input Signal To Be Measured

    1.5 Setting the Acquisition Conditions for Input Signal to be Measured Input Coupling ≡For operating procedure, refer to 6.1≡ When you want to measure only (AC components) of the input signal or only the signal overlapping with the specified DC voltage, measurement can be facilitated if DC components are removed from the signal.
  • Page 19 1.5 Setting the Acquisition Conditions for Input Signal to be Measured When the period of the input signal is shorter than the sampling interval Preparation 1 block for measurement 1 block Data processing, Measurement block Measurement block display Input signal Sampling pulse Sampling interval...
  • Page 20 1.5 Setting the Acquisition Conditions for Input Signal to be Measured Sample Size (Number of Events) ≡For operating procedure, refer to 6.2≡ The allowable number of measured data items to be acquired into the acquisition memory is called sample size. This setting is required if event gate is selected. Up to 32,000 events (16,000 events for duty ratio/phase difference measurement) can be set in the case of time stamp mode and up to 99,999,999 events can be set in the case of hardware histogram mode.

  • Page 21: Inhibit

    1.5 Setting the Acquisition Conditions for Input Signal to be Measured Inhibit ≡For operating procedure, refer to 6.4≡ Measurement can be inhibited by inputting the inhibit signal to the INHIBIT IN terminal. This is also possible while the gate is open or during measurement following the arming delay. Measurement can be inhibited for up to 320 seconds.

  • Page 22: Displaying The Measured/Computed Data

    1.6 Displaying the Measured/Computed Data Histogram Display ≡For operating procedure, refer to 7.1≡ A histogram of measured data is displayed for each measurement block to allow the user to observe data distribution. Although period, phase difference or duty ratio can be set for the X-axis and frequency for the Y-axis manually, they can be set automatically using the auto scaling function.
  • Page 23 1.6 Displaying the Measured/Computed Data Panorama Display ≡For operating procedure, refer to 7.3≡ A panorama bar is displayed at the top of the screen during hardware histogram mode. The panorama bar shows all the histograms of measured data. The histogram currently displayed in the window is enclosed by “...

  • Page 24: List Display, Statistics Display

    1.6 Displaying the Measured/Computed Data List Display ≡For operating procedure, refer to 7.6≡ A list of measured values is displayed. This function enables the user to jump to the top or bottom data in the list, and set data numbers to locate/display the measured value of the desired data number.
  • Page 25 1.6 Displaying the Measured/Computed Data Hardware histogram mode A bar graph indicating the standard deviation (σ) is displayed below the list. The bar graph range (maximum value) can be selected (see below). Statistical computation item Statistic value Statistical computation area (The area enclosed by the markers is used for statistical computation in this example.

  • Page 26: Other Functions

    1.7 Other Functions External Signal Input/Output (Rear Panel) ≡For operating procedure, refer to 10.2 and 10.3≡ The following input and output terminals (BNC) are provided on the rear panel, to communicate with external devices. For location of each terminal, refer to 2.2, “Rear Panel”. Reference input terminal (REFERENCE IN) Although the instrument has an internal reference clock to be used for measurements, it is possible to input an external signal (10 MHz) to this terminal and use it as the reference clock.
  • Page 27 ≡For operating procedure, refer to 11.4≡ In case of a problem, a self-test can be carried out to enable the user to check the problem before contacting YOKOGAWA. This function enables inspection of the memory, PC board and display. 1-17...

  • Page 28: Front Panel

    2.1 Front Panel Top menu keys Displays the corresponding top menu. • MODE key Displays the sampling mode selection screen. (See 5.1.) • FUNCTION key Displays menus for setting/selecting the measurement function, input channel and slope. (See chapter 5.) • DISPLAY key Displays menus for setting/selecting the display format, window axis, markers, calculation.

  • Page 29: Rear Panel

    2.2 Rear Panel Adjustment hole for reference clock frequency Used to adjust the time base. (See 11.5.) Reference input terminal The external reference clock is input to this terminal. (See 10.2.) Reference output terminal The reference clock is output from this terminal. (See 10.2.) CHA/CHB monitor output terminal Input signals are output from these terminals.

  • Page 30: Usage Precautions

    • Never remove the instrument’s casing. The unit contains extremely hazardous high-voltage components. Consult your nearest Yokogawa representative (see listing on rear cover) if the instrument requires maintenance or adjustment. • If the instrument emits smoke or unusual odors, or in any way behaves abnormally immediately turn OFF the power switch and unplug the power cord from the outlet.

  • Page 31: Installing The Instrument

    3.2 Installing the Instrument WARNING You should never run the instrument in an upright position, with the fan vent facing downward. If the instrument malfunctions while in this position, heat escaping from the vent may cause a fire. If you really need to operate the instrument in this position, place a metal plate or flame-retardant barrier (grade UL94-1 or higher) beneath it.
  • Page 32 3.2 Installing the Instrument Install the instrument in a location that is: • Away from direct sunlight and other heat sources. • Away from oily smoke, steam, dust, corrosive gas, and other such contaminants. • Away from strong magnetic fields. •...

  • Page 33: Connecting The Power Cord

    • Be sure that the instrument’s power switch is OFF. • Be sure that your power cord has been supplied by Yokogawa specifically for use with this instrument. Use of an inappropriate cord may present a shock or fire hazard.

  • Page 34: Turning The Power Switch On/Off

    11.4, “Executing the Self-test”. If “LOW BATTERY” warning message is displayed during the self-test, the battery needs to be replaced immediately. The battery cannot be replaced by the user, so contact the nearest YOKOGAWA representative listed on the rear cover of this manual.

  • Page 35: Connecting The Cables/Probes

    3.5 Connecting the Cables/Probes Location of Input Terminals The input terminals are located at the lower right of the front panel. Use cables with a BNC connector or use probes. Input Specifications Connector type : BNC Number of channels : 2 Input impedance : 50 Ω/1 MΩ, 20 pF (Typical *) Maximum input voltage: •...

  • Page 36: Compensating A Probe (Carrying Out Phase Correction)

    • Voltage: 1 V • Waveform type: Square waveform • Output impedance: 1 MΩ • Recommended signal: CAL signal of the DL1540 digital oscilloscope (by YOKOGAWA) Waveform monitor • Frequency characteristic: DC to 100 MHz (attenuation point: -3 dB) • Input coupling: DC •...
  • Page 37 3.6 Compensating a Probe (Carrying Out Phase Correction) P r o c ed u r e Turn ON the power to both this instrument and DL1540. Set the waveform acquisition conditions of the DL1540 so that the waveform of approximately two periods is observed clearly. For setting method, refer to the User’s Manual of the DL1540.

  • Page 38: Setting The Date And Time

    3.7 Setting the Date and Time P ro c e d u re • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen. UTILITY Top menu MODE FUNCTION DISPLAY...
  • Page 39 3.7 Setting the Date and Time Explanation Setting the date Set the date in order of year, month and day. • Year Set the last two digits of the year. For instance, set “99” for 1999, “00” for 2000, “01” for 2001 and so on.

  • Page 40: Starting/Stopping Acquisition Of A Measuring Input Signal

    6.1), whether the input cable is connected properly, or whether the signal is present. If the indicator does not blink even if a correct signal is input to the terminal, the instrument may be faulty. Contact your nearest YOKOGAWA representative listed on the rear cover of this manual. IM 704210-01E...

  • Page 41: Setting Numerical Values

    4.2 Setting Numerical Values ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.7≡ ≡ ≡ ≡ ≡ Pr o c e d u r e • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 42 4.2 Setting Numerical Values Explanation Setting a numerical value using the ten-key. • The following six types of ten-key are available. The displayed ten-key varies according to the setting item. • If a key (touch key, KEYBOARD key, > arrow key) is pressed or the rotary knob is turned before any of the following keys is pressed, the entered value will not be confirmed, but it will be canceled.

  • Page 43: Selecting The Sampling Mode

    5.1 Selecting the Sampling Mode ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.2≡ ≡ ≡ ≡ ≡ P ro c e d u re MODE Top Menu MODE Selects the time stamp mode. FUNCTION Selects the hardware histogram mode.

  • Page 44: Setting Period Measurement

    5.2 Setting Period Measurement ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.3≡ ≡ ≡ ≡ ≡ Pr o c e d u r e • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 45 5.2 Setting Period Measurement Explanation Measurement range Measurement range varies according to the selected sampling mode. • Time stamp mode: 30 ns to 100 ms • Hardware histogram mode: 30 ns to 3.2 µs Selecting the channel to be used for measurement Select either CHA or CHB.

  • Page 46: Setting Time Interval Measurement

    5.3 Setting Time Interval Measurement ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.3≡ ≡ ≡ ≡ ≡ Pr o c e d u r e • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 47 5.3 Setting Time Interval Measurement Selecting the pattern Select CHA-B or CHA-B-A. • CHA-B: Measures A-to-B interval. • CHA-B-A: Measures A-to-B-to-A interval. It is not possible to distinguish the measured data of A-to-B from that of B-to-A. Selecting the slope (edge) Slope (edge) types which can be selected vary according to the selected pattern.

  • Page 48: Setting Pulse Width Measurement

    5.4 Setting Pulse Width Measurement ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.3≡ ≡ ≡ ≡ ≡ Pr o c e d u r e • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 49 5.4 Setting Pulse Width Measurement Explanation Measurement range Measurement range varies according to the selected sampling mode. • Time stamp mode: 30 ns to 100 ms • Hardware histogram mode: 30 ns to 3.2 µs Selecting the channel to be used for measurement Select either CHA or CHB.

  • Page 50: Setting Phase Difference Measurement

    5.5 Setting Phase Difference Measurement ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.3≡ ≡ ≡ ≡ ≡ Pr o c e d u r e • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 51 5.5 Setting Phase Difference Measurement Explanation Measurement range Measurement range is shown below. This measurement is available only when time stamp mode has been selected. 0 to 360 deg Selecting the slope (edge) Select the desired slope from the following. •...

  • Page 52: Setting Duty Ratio Measurement

    5.6 Setting Duty Ratio Measurement ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.3≡ ≡ ≡ ≡ ≡ Pr o c e d u r e • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 53 5.6 Setting Duty Ratio Measurement Explanation Measurement range Measurement range is shown below. This measurement is available only when time stamp mode has been selected. 0 to 99.999% Selecting the channel to be used for measurement Select either CHA or CHB. Selecting the polarity Select the desired polarity from the following.

  • Page 54: Setting The Input Coupling, Input Impedance, Trigger Mode And Trigger Level

    6.1 Setting the Input Coupling, Input Impedance, Trigger Mode and Trigger Level ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.5≡ ≡ ≡ ≡ ≡ Procedure Procedure • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 55 6.1 Setting the Input Coupling, Input Impedance, Trigger Mode and Trigger Level Explanation Selecting the channel to be set Select the input conditions individually for channels A and B. Selecting the input impedance Select 50Ωor 1 MΩ. If AC coupling is selected, frequency characteristic will vary depending on the selected input impedance.

  • Page 56: Setting The Gate Type, Sample Size And Sampling Interval

    6.2 Setting the Gate Type, Sample Size and Sampling Interval ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.5≡ ≡ ≡ ≡ ≡ P r o c e d u r e • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 57 6.2 Setting the Gate Type, Sample Size and Sampling Interval Explanation Selecting the gate type Select the desired gate type from the following. • EVENT : Event gate • TIME : Time gate • EXTERNAL : External gate. It is not possible to set the arming function or use the external arming signal if EXTERNAL is selected, since the external arming input terminal is shared with the external gate input signal.
  • Page 58 6.2 Setting the Gate Type, Sample Size and Sampling Interval Selecting the polarity Select the desired polarity from the following. This setting is available only when EXTERNAL gate is selected. • Carries out measurement only when a positive signal is being input to the EXT ARM IN terminal.

  • Page 59: Setting The Arming Source, Slope And Delay Types

    6.3 Setting the Arming Source, Slope and Delay Types ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.5≡ ≡ ≡ ≡ ≡ P r o c e d u r e P r o c e d u r e •...
  • Page 60 6.3 Setting the Arming Source, Slope and Delay Types • Setting the number of events (required only when EVENT is selected at step 7) 10. After step 7, press the D.EVENT touch key to highlight D.EVENT. 11. Turn the rotary knob to select the desired number of events. External arming menu Auto arming menu Selects the arming source.
  • Page 61 6.3 Setting the Arming Source, Slope and Delay Types Selecting the slope (edge) Select the desired slope from the following. This is required only if EXT has been selected as the arming source. • : Causes arming at a rising edge of the external arming signal. •...

  • Page 62: Setting The Inhibit Function

    6.4 Setting the Inhibit Function ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.5≡ ≡ ≡ ≡ ≡ Procedure • To exit from the current menu, press any of the top menu keys. SAMPLE Top Menu MODE FUNCTION DISPLAY...

  • Page 63: Setting The Histogram Display Function And Reading The Data (Readout)

    7.1 Setting the Histogram Display Function and Reading the Data (Readout) ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.4 and 1.6≡ ≡ ≡ ≡ ≡ P ro c e d u re • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 64 7.1 Setting the Histogram Display Function and Reading the Data (Readout) Setting the X-axis and Y-axis X-axis/Y-axis menu Press the SCALE touch key to display the X-axis/Y-axis menu. • Setting the center value of X-axis Sets the center Press the X CENTER touch key to highlight X CENTER. value of X-axis.
  • Page 65 7.1 Setting the Histogram Display Function and Reading the Data (Readout) Explanation Selecting the histogram display function From the display format menu, select HISTOGRAM. Performing auto scaling The X-axis and Y-axis will be set automatically so that the entire distribution of measured data can be displayed.
  • Page 66 7.1 Setting the Histogram Display Function and Reading the Data (Readout) Setting readout parameters • Turning marker display ON/OFF • ON : Displays the markers. • OFF : Displays no markers. X1 MARKER, X2 MARKER and MOVEMENT touch keys are also not displayed.

  • Page 67: Using The Multi-Window Function

    7.2 Using the Multi-window Function ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.6≡ ≡ ≡ ≡ ≡ P ro c e d u re • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 68 7.2 Using the Multi-window Function Setting the multi-window function Press the WINDOW touch key of the DISPLAY top menu to display the multi-window menu. • Selecting multi-window 10. Press the SINGLE/MULTI touch key to highlight MULTI. The MODE and SIZE touch keys will appear.
  • Page 69 7.2 Using the Multi-window Function Observing other windows 24. Press the WINDOW selection touch key (WINDOW 1 in the example given on page 7-6) displayed at the upper left corner to highlight WINDOW. 25. Turn the rotary knob to select the desired window. Up to the window size (i.e. number of windows) specified at steps 12 and 13 can be selected.
  • Page 70 7.2 Using the Multi-window Function • Selecting the window size (number of windows) Up to 16 windows can be set if the multi-window function is ON. Setting range: 1 to 16 Setting the X-axis and Y-axis For the setting method for center value of X-axis, span of X-axis, Y-axis scale, maximum value of Y-axis and area, refer to 7.1.

  • Page 71: Using The Panorama Display Function

    7.3 Using the Panorama Display Function ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.6≡ ≡ ≡ ≡ ≡ P ro c e d u re • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 72 7.3 Using the Panorama Display Function The panorama display function is available only when hardware histogram mode is selected as the Explanation sampling mode. Turning the panorama display function ON/OFF • OFF: Does not display the panorama bar. The P.AREA touch key will not be displayed. •...

  • Page 73: Carrying Out Histogram Data Addition

    7.4 Carrying out Histogram Data Addition ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.6≡ ≡ ≡ ≡ ≡ P ro c e d u re • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 74 7.4 Carrying out Histogram Data Addition Setting the Y-axis Press the SCALE touch key to display the Y-axis menu. • Selecting the Y-axis scale Press the Y AXIS touch key to highlight LIN or LOG. The highlighted scale will be selected.

  • Page 75: Setting The Time Variation Display Function And Reading The Data (Readout)

    7.5 Setting the Time Variation Display Function and Reading the Data (Readout) ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.4 and 1.6≡ ≡ ≡ ≡ ≡ P ro c e d u re • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 76 7.5 Setting the Time Variation Display Function and Reading the Data (Readout) Setting the X-axis and Y-axis Press the SCALE touch key to display the X-axis/Y-axis menu. • Setting the minimum value of X-axis Press the X MIN touch key to highlight X MIN. Turn the rotary key or use the ten-key to set the desired minimum value of X-axis.
  • Page 77 7.5 Setting the Time Variation Display Function and Reading the Data (Readout) Explanation The time variation display function is available only when time stamp mode is selected as the sampling mode. Selecting the time variation display function From the display format menu, select TIME VAR. The time stamp resolution (X-axis) is 100 ns. Performing auto scaling Refer to 7.1.
  • Page 78 7.5 Setting the Time Variation Display Function and Reading the Data (Readout) Selecting the display parameters When the time variation display function is ON, it is possible to select whether or not to display the grid in the window. In addition, it is also possible to select whether or not to interpolate (i.e. connect) measurement points.

  • Page 79: Selecting The List Display Function And Displaying The Data

    7.6 Selecting the List Display Function and Displaying the Data ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.6≡ ≡ ≡ ≡ ≡ P ro c e d u re • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 80 7.6 Selecting the List Display Function and Displaying the Data Jumping to the top data Press the TOP touch key. “1” will be displayed on the NUMBER touch key. In the case of time stamp mode, the first measured value of the measurement block will be displayed at the top of the list.

  • Page 81: Selecting The Statistics Display Function And Reading The Statistic Data

    7.7 Selecting the Statistics Display Function and Reading the Statistic Data ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.4 and 1.6≡ ≡ ≡ ≡ ≡ P ro c e d u re • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 82 7.7 Selecting the Statistics Display Function and Reading the Statistic Data Explanation Displaying the statistic values The window displaying a histogram or the area enclosed by the markers can be set as the area to be used for statistical computation. For details, refer to 7.1. •...

  • Page 83: Selecting The Histogram Display Function And Displaying The Statistic Data

    7.8 Selecting the Histogram Display Function and Displaying the Statistic Data ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.4 and 1.6≡ ≡ ≡ ≡ ≡ P ro c e d u re • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 84 7.8 Selecting the Histogram Display Function and Displaying the Statistic Data Explanation Statistical computation items The same statistical computation items as for 7.7 are available. Thus, no computation will be carried out for jitter 1 (σ/T) and jitter 2 (MELE) and therefore asterisks “*” are displayed, even if they are selected.

  • Page 85: Storing The Set-Up Information In The Internal Memory

    8.1 Storing the Set-up Information in the Internal Memory ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.7≡ ≡ ≡ ≡ ≡ P ro c e d u re • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.

  • Page 86: Recalling The Set-Up Information From The Internal Memory

    8.2 Recalling the Set-up Information from the Internal Memory ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.7≡ ≡ ≡ ≡ ≡ Pr o c e d u r e • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.

  • Page 87: Points To Note During Use Of The Floppy Disk Drive

    9.1 Points to Note during Use of the Floppy Disk Drive Applicable Floppy Disks The following type of 3.5-inch floppy disk can be used. Floppy disks can be formatted using this instrument. • 2HD type : 1.2 MB or 1.44 MB (MS-DOS format) •...

  • Page 88: Formatting A Floppy Disk

    9.2 Formatting a Floppy Disk Pr o c e d u r e • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen. UTILITY Top Menu MODE FUNCTION DISPLAY...
  • Page 89 9.2 Formatting a Floppy Disk Explanation Displaying the free space available on the floppy disk If the floppy disk menu is displayed with a MS-DOS formatted floppy disk inserted into the floppy disk unit, the free space available on the floppy disk will be displayed. Selecting the format type Select the desired format type from the following.

  • Page 90: Saving, Loading And Auto Loading The Set-Up Information

    9.3 Saving, Loading and Auto Loading the Set-up Information Pr o c e d u r e • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen. UTILITY Top Menu MODE Displays the file menu.
  • Page 91 9.3 Saving, Loading and Auto Loading the Set-up Information Loading the setup information 11. After step 6, turn the rotary knob to select the file name to be loaded. 12. Press the LOAD EXEC touch key. Performs loading. Selects the file name. Loading the setup information automatically •...
  • Page 92 9.3 Saving, Loading and Auto Loading the Set-up Information Explanation Set-up information to be saved Settings made and selected using touch keys, rotary knob and ten-key are saved. In addition, the set-up information stored in the internal memory is also saved in the auto load file. File name extension and directory An extension (.SET) is attached to the file name automatically, and the file is saved in the directory TA_SETUP.

  • Page 93: Saving And Loading The Measured And Computed Data

    9.4 Saving and Loading the Measured and Computed Data P ro c e d u re • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen. UTILITY Top Menu MODE Displays the file menu.
  • Page 94 9.4 Saving and Loading the Measured and Computed Data Loading the measurement results After step 6, press the SAVE/LOAD touch key to display the save/load menu. 10. Refer to “Loading the setup information” in 9.3. Saving the statistical computation results •...
  • Page 95 9.4 Saving and Loading the Measured and Computed Data Explanation Saving the measurement results • Selecting the data type Select the desired data type from the following. • BIN: The measurement results are saved in binary format. Once they are saved, they can be loaded to the instrument.

  • Page 96: Saving The Screen Image Data

    9.5 Saving the Screen Image Data Pr o c e d u r e • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen. UTILITY Top Menu MODE Displays the file menu.
  • Page 97 9.5 Saving the Screen Image Data Explanation Saving the screen image data The screen image data will be saved in TIFF format. Sampling mode Measurement function Multi-window ON/OFF Channel A Input impedance (channel A) Input coupling (channel A) Trigger mode (channel A) Trigger level (channel A) Channel B Input impedance (channel B)

  • Page 98: Auto Saving The Screen Image Data

    9.6 Auto Saving the Screen Image Data Pr o c e d u r e • To exit from the current menu, press any of the top menu keys. COPY menu Selects the copy destination (floppy). Performs copying. Insert a formatted floppy disk into the floppy disk drive. Selecting the floppy disk as copy destination.

  • Page 99: Deleting Saved Data

    9.7 Deleting Saved Data P ro c e d u re • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen. UTILITY Top Menu MODE Displays the file menu. FUNCTION DISPLAY SAMPLE...
  • Page 100 9.7 Deleting Saved Data Explanation To delete data (file), select the file type (item) according to steps 4 and 5, then select the name of the file to be deleted. Note Once data is deleted, it will not be possible to recover the data again. So take special care not to delete the wrong file by mistake.

  • Page 101: Outputting Data To A Plotter

    10.1 Outputting Data to a Plotter ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.7≡ ≡ ≡ ≡ ≡ P ro c e d u re • To exit from the current menu, press any of the top menu keys. COPY menu Selects the plotter.
  • Page 102 10.1 Outputting Data to a Plotter • Selecting the paper size Press the PAPER touch size to highlight PAPER. Turn the rotary knob to select the desired paper size. • Selecting the pen speed Press the SPEED touch key to highlight NORM or LOW. The highlighted speed will be selected.
  • Page 103 Drawable range may differ depending on the plotter model, causing incomplete plotting. HP-GL compatible plotter (by YOKOGAWA): PL600 high-speed color plotter (model: 700983) • Connecting the plotter Check that the power to both plotter and this instrument is OFF.
  • Page 104 10.1 Outputting Data to a Plotter Selecting the pen speed Select the desired pen speed from the following. • NORM: Draws the screen image at the plotter’s default speed. • SLOW: Draws the screen image at 10 cm/s. Selecting pen assignment Select the desired pen assignment from the following.

  • Page 105: Inputting And Outputting The Reference Signal

    10.2 Inputting and Outputting the Reference Signal ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.7≡ ≡ ≡ ≡ ≡ P ro c e d u re • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen.
  • Page 106 10.2 Inputting and Outputting the Reference Signal Explanation Connecting a BNC cable Connect a BNC cable to the reference input terminal (REFERENCE IN) and reference output terminal (REFERENCE OUT) provided on the rear panel of the instrument. REFERENCE (Reference (Reference input terminal) output terminal) 10MHz 1Vp-p...

  • Page 107: Outputting The Monitor Signal

    10.3 Outputting the Monitor Signal ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.7≡ ≡ ≡ ≡ ≡ Connecting a BNC cable Connect a BNC cable to the monitor output terminals (MONITOR OUT CHA/CHB) provided on the rear panel of the instrument.

  • Page 108: Initializing The Set-Up Information

    10.4 Initializing the Set-up Information ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.7≡ ≡ ≡ ≡ ≡ Pr o c e d u r e • To exit from the current menu, press any of the top menu keys. UTILITY Top Menu MODE Displays the initialize menu.
  • Page 109 10.4 Initializing the Set-up Information Explanation Default settings The set-up information will be set as shown below when initialization is performed. • Acquisition of measuring signal: START • Sampling mode: H.HIST • Measurement function: PERIOD • Measurement channel: CHA • Slop: •...

  • Page 110: Calibrating The Instrument

    10.5 Calibrating the Instrument ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.7≡ ≡ ≡ ≡ ≡ Pr o c e d u r e • To exit from the current menu, press any of the top menu keys. UTILITY Top Menu MODE FUNCTION...

  • Page 111: Setting The Screen Contrast

    10.6 Setting the Screen Contrast ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.7≡ ≡ ≡ ≡ ≡ P ro c e d u re • To exit from the current menu, press any of the top menu keys. UTILITY Top Menu MODE FUNCTION...

  • Page 112: Turning The Touch-Key Sound On/Off

    10.7 Turning the Touch-key Sound ON/OFF ≡ ≡ ≡ ≡ ≡ For a description of the function, refer to 1.7≡ ≡ ≡ ≡ ≡ Pr o c e d u r e • To exit from the current menu, press any of the top menu keys. UTILITY Top Menu MODE FUNCTION...

  • Page 113: Troubleshooting

    Section 11.2 “Messages”. • If maintenance service is required, or if the instrument still does not operate properly even after the following corrective action has been taken, contact your nearest YOKOGAWA representative, listed on the back cover of this manual.

  • Page 114: Messages

    11.2 Messages The following three kinds of message may appear on the screen. • Error messages Displayed when an attempt is made to execute an operation which is not executable or when an abnormality occurs with the instrument. • Warning messages Displayed when the instrument is in such a state that the user needs to be warned (e.g.
  • Page 115 11.2 Messages Warning Messages When a warning message(s) exists, the warning mark will appear on the top of the screen as shown below. Warning mark MODE To display a list of warning messages, activate the error log window from the UTILITY top menu.

  • Page 116: Using The Error Logging Function

    11.3 Using the Error Logging Function P ro c e d u re • To exit from the current menu, press any of the top menu keys. UTILITY Top Menu MODE Displays the error log window. FUNCTION DISPLAY SAMPLE (Displays the software version). INPUT Selects the UTILITY menu.

  • Page 117: Executing The Self-Test

    11.4 Executing the Self-test Pr o c e d u r e • To exit from the current menu, press any of the top menu keys or press the ESC touch key displayed on the screen. UTILITY Top Menu MODE FUNCTION DISPLAY SAMPLE...
  • Page 118 Make sure that no measurement is currently being carried out. When an abnormality occurs during execution of a test item. The instrument is faulty. Contact your nearest YOKOGAWA representative listed on the rear cover of this manual for repair. Board test •...
  • Page 119 11.4 Executing the Self-test Touch key test Display example Display test Display example 11-7 IM 704210-01E...

  • Page 120: Adjusting The Time Base

    Adjustment method • Wait for 30 minutes after the TA320 is turned ON. • Turn the REF ADJUST (provided on the rear panel) of the TA320, to make sure that the reading of the frequency counter is within the following range.

  • Page 121: Carrying Out The Performance Test

    765 1 P ROGRAMABLE DC S OURCE YO KO G AWA OUTPUT Setting the instruments • TA320: Input settings: DC coupling, 1 MΩ, trigger level = 0V • 7651: Output level : 4.000V : 2.000V : 0V : –2.000V : –4.000V...
  • Page 122 Testing method • Wait for 30 minutes after the TA320 is turned ON. • This test compares the input DC voltage to the trigger level set on the TA320, to test the trigger level tolerance. • The trigger level is observed by monitoring the input indicator of the TA320.
  • Page 123 • Make sure that the power to each instrument is OFF, then connect the instruments to each other as illustrated below. • Connect the output of the synthesized signal generator to the input terminal (CHA or CHB) of the TA320. TA320 Synthesized signal generator...
  • Page 124 • Set the frequency of the synthesized signal generator (8657B) to the values given in the table below, and check that the measured values (mean value and standard deviation) are within the allowable range using the period measurement function of the TA320. Carry out the same test for both channels CHA and CHB.
  • Page 125 • Make sure that the power to each instrument is OFF, then connect the instruments to each other as illustrated below. • Connect the output of the synthesized signal generator to the input terminal (CHA or CHB) of the TA320. TA320 Synthesized signal generator...
  • Page 126 • Set the frequency of the synthesized signal generator (8657B) to the values given in the table below, and check that the measured values (mean value and standard deviation) are within the allowable range using the period measurement function of the TA320. Carry out the same test for both channels CHA and CHB.
  • Page 127 • Make sure that the power to each instrument is OFF, then connect the instruments to each other as illustrated below. • Connect the output of the synthesized signal generator to the input terminal (CHA or CHB) of the TA320. TA320 Synthesized signal generator...
  • Page 128 • Set the frequency of the synthesized signal generator (8657B) to the values given in the table below, and check that the measured values (mean value and standard deviation) are within the allowable range using the the pulse width function of the TA320. Carry out the same test for both channels CHA and CHB.
  • Page 129 • Recommended instrument: 8657B synthesized signal generator (by HP) • Power divider • Characteristic impedance: 50 Ω • Recommended instrument: 700966 power divider (by Yokogawa) Test method for the A-to-B interval resolution using the above recommenced instruments is given below.
  • Page 130 11.6 Carrying out the Performance Test Testing method • Wait for 30 minutes after the TA320 is turned ON. • Set the frequency of the synthesized signal generator (8657B) to the values given in the table below, and check that the measured values (mean value and standard deviation) are within the allowable range using the time interval measurement function of the TA320.

  • Page 131: Circuit Breaker

    If the circuit breaker is activated to cause the power to be turned OFF, an abnormality has occurred with the internal circuitry. If the circuit breaker cannot be reset, do not try to reset it. Contact your nearest YOKOGAWA representative, listed on the back cover of this manual.

  • Page 132: Measuring Inputs And Trigger

    12.1 Measuring Inputs and Trigger Item Specification Number of input channels 2 (CHA and CHB) Input coupling DC/AC Input connector BNC connector Input impedance 50 Ω/1 MΩ, 20 pF (typical * Frequency characteristic (-3 dB) • DC input coupling: DC to 100 MHz (typical * •...

  • Page 133: Measurement Functions (Measurement Items)

    12.2 Measurement Functions (Measurement Items) Items Specifications Measurement Update Rate * 400 ms (hardware histogram mode only) (For measurement of period of 1-MHz sine-wave, with sample size of 1000) Period • Measuring range • 30 ns to 100 ms (time stamp mode) •...
  • Page 134 12.2 Measurement Functions (Measurement Items) Items Specifications Pulse Width • Measuring range • 30 ns to 100 ms (time stamp mode) • 30 ns to 3.2 µs (hardware histogram mode) • Display resolution • 100 ps (time stamp mode) • 100 ps or histogram span setting/200, whichever larger (hardware histogram mode) •...

  • Page 135: Gate, Arming, Inhibit

    12.3 Gate, Arming, Inhibit Item Specifications Gating • Type: Can be selected from EVENT, TIME and EXTERNAL. • Configurable number of events (within 320 s following the arming) • Time stamp mode • Period, time interval, pulse width measurements: 1 to 32,000 •...

  • Page 136: Display

    12.4 Display Item Specifications Display • Size: 4.7 inch • Device: LCD (liquid crystal display), resistance-film type touch screen (panel) • Display resolution: 320 dots (H) × 240 dots (V) • Display defect: 0.01% or less for the entire display pixels Display format •...
  • Page 137 12.4 Display Item Specifications Time variation display (time stamp mode only) • Scale: X-axis and Y-axis of time variation • X MIN (minimum value of X-axis): 0 to 199.9999800 sec. • X SPAN (maximum value of X-axis): Can be selected from 20, 40, 100, 200, 400 µs, 1, 2, 4, 10, 20, 40, 100, 200, 400 ms, 1, 2, 4, 10, 20, 40, 100 and 200 sec.

  • Page 138: Inputs/Outputs (Rear Panel)

    12.5 Inputs/Outputs (Rear Panel) Item Specifications External arming input • Connector type: BNC (shared with the external • Input coupling: DC gating input) • Input impedance: 10 kΩ (Typical * • Trigger level: TTL level • Maximum input voltage: –8 V to 13 V (DC + AC peak •...

  • Page 139: Gp-Ib Interface

    12.6 GP-IB Interface Item Specifications Interface GP-IB Electrical and mechanical specifications Conforms to IEEE Standard 488-1978. Functional specifications SH1, AH1, T5, L4, SR1, RL1, PP0, DC1, DT0, C0 Protocol Conforms IEEE Standard 488-1978. Code ISO (ASCII) code Mode Addressable mode/talk-only mode Address setting 0 to 30 Remote mode clear...

  • Page 140: General Specifications

    12.10 General Specifications Item Specifications Standard operating conditions • Ambient temperature: 23 ±2ºC • Ambient humidity: 50 ±10% RH • Supply voltage/frequency: Within 1% of the rated voltage/frequency Warm-up time Approx. 30 minutes Storage environment • Temperature: –20 to +60ºC •...

  • Page 141: External Dimensions

    12.11 External Dimensions Unit: mm Rear view ±1 JIS rack mount dimensions Mount surface for rack mounting ±1 ±1 ±1 Mount surface for rack mounting EIA rack mount dimensions ±1 Mount surface for rack mounting ±1 ±1 ±1 Mount surface for rack mounting Unless otherwise specified, tolerance is ±3%.
  • Page 142 Index Page Page AC outlet ..................4 Data number ................1-14 Access indicator ................. 2-1 Date ..................3-10 Accessory ..................3 Deletion, data ..............0-13, 9-14 Acquisition memory ............1-1, 1-2 Directory ..................9-3 Adjustment hole, reference clock ..........2-2 Displacement ..............
  • Page 143 Index Maximum value ..............1-6, 1-7 Page Maximum value of Y-axis ..........1-12, 7-3 Mean value ................1-6, 1-7 Gate ................1-9, 6-3, 12-4 Measurement block ..............1-8 GP-IB connector ................. 2-2 Measurement function ........1-3, 1-4, 12-2, 12-3 GP-IB interface User’s Manual ............3 Measurement indicator ...............
  • Page 144 Index Power supply voltage ..............2 STOP ..................4-2 Power switch ................3-5 Store ................... 1-16, 8-1 Probe, calibration ........Refer to “phase correction” Structure of the manual ..............5 Probe, connecting ............... 3-6 SUFFIX ..................2 Probe, phase correction .............. 3-7 Switch ............

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