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HP 16534A User Reference

1-gsa/s and 2-gsa/s digitizing oscilloscope
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User's Reference
Publication Number 16534-97009
February 1999
For Safety Information, Warranties, and Regulatory
Information, see the pages behind the Index
© Copyright Hewlett-Packard Company 1991 – 1999
All Rights Reserved
HP 16533A 1-GSa/s and
HP 16534A 2-GSa/s Digitizing
Oscilloscope

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  • Page 1 User’s Reference Publication Number 16534-97009 February 1999 For Safety Information, Warranties, and Regulatory Information, see the pages behind the Index © Copyright Hewlett-Packard Company 1991 – 1999 All Rights Reserved HP 16533A 1-GSa/s and HP 16534A 2-GSa/s Digitizing Oscilloscope...
  • Page 2 HP 16500B/C logic analysis system, cross-domain measurements are time-correlated and displayed together on the same screen. Memory depth of 32 KBytes per channel allows the HP 16533/34A to capture a sufficiently long analog record prior to trigger. A long record allows adequate time resolution to identify errors confidently.
  • Page 3 If you are upgrading from the HP 16532A, the following compatibility issues should be noted: • If an HP 16532A file is loaded into an HP 16533/34A, the HP 16533/34A will set up identically. However, the HP 16532A data will not be read or displayed.
  • Page 4 In This Book This book provides a detailed description of the features of the HP 16533/34A digitizing oscilloscope modules. It identifies the different menus available on the oscilloscope, and shows what options are available in the menus. It then explains what each of these options mean and what they do.

  • Page 5: Run/Stop Options

    Run/Stop Options Autoscale Chapter 9 describes the Waveform Selection menu. This menu lets you select the following modes of operation: The Channel Menu single channel, overlay, Chan + Chan, or Chan−Chan. It also allows you to insert, replace, or delete Time Base Functions channels from the display.

  • Page 7: Table Of Contents

    Contents 1 Run/Stop Options Run/Stop Options 1–2 Autoscale Run 1–3 Run Field 1–3 Stop Field 1–4 2 Autoscale Autoscale Field Options 2–3 Autoscale Algorithm 2–4 Menus and Fields Changed by the Autoscale Algorithm 2–6 3 The Channel Menu Input Field 3–4 V/Div Field 3–5 Offset Field 3–6 Probe Field 3–7...
  • Page 8 Contents Automatic Time Marker Options 5–10 Done Field 5–11 Set on Field 5–11 Type Field 5–11 at Level Field 5–12 Slope Field 5–13 Occur Field 5–13 Statistics Field 5–14 Run Until Time X-O Field 5–15 Manual/Automatic Time Markers Option 5–17 Setting the Manual/Automatic Time Markers Option 5–17 Voltage Markers Options 5–18 Va On Field 5–19...
  • Page 9 Contents When Field 6–13 Count Field 6–16 Auto-Trig Field 6–17 Immediate Trigger Mode 6–18 Intermodule Measurements 6–19 7 The Display Menu Mode Field 7–4 Connect Dots Field 7–6 Grid Field 7–7 Acquisition Time Field 7–8 Display Options Field 7–8 8 The Auto-Measure Menu Automatic-Measurement Fields 8–4 Input Field 8–4 Automatic Measurements Display 8–4...
  • Page 10 To inspect the module 11–3 To prepare the mainframe 11–3 To install the module 11–5 To configure the HP 16533/34A module 11–6 To reconfigure a multi-card module into single-card modules 11–8 To turn on the system 11–8 To test the module 11–8 To clean the module 11–8...

  • Page 11: Run/Stop Options

    Run/Stop Options...
  • Page 12 You can cause the oscilloscope to run automatically in an intermodule measurement setup. For information on intermodule measurements, refer to the "Intermodule Measurements" chapter in the HP 16500B/16501A Logic Analysis System User’s Reference or the "Correlating Measurements" chapter in the HP 16500C/16501A Logic Analysis System User’s Reference.

  • Page 13: Autoscale Run

    Run/Stop Options Autoscale Run Autoscale Run You can use the autoscale feature to cause the oscilloscope to run. You may want to use this method when you have changed one or more of the signal input parameters and want to get back to a basic screen presentation of your waveform.

  • Page 14: Stop Field

    Run/Stop Options Stop Field To start the oscilloscope running in the single-mode after it has been running in repetitive mode, touch the green Run field. Slide your finger down to the Single field in the pop-up until the Single field turns white, then remove your finger from the screen.

  • Page 15: Autoscale

    Autoscale...
  • Page 16 Autoscale Autoscale is an algorithm built into the oscilloscope that automatically optimizes the display of one or more waveforms. When you touch the Autoscale field and select Continue, the autoscale algorithm starts, and the screen displays the advisory message "Autoscale is in progress."...

  • Page 17: Autoscale Field Options

    Autoscale Autoscale Field Options Autoscale Field Options The Autoscale field is displayed in the top row of menu fields on every oscilloscope menu. When you touch the Autoscale field, a pop-up appears that allows you to cancel or continue the autoscale. Cancel If you accidentally touch the Autoscale field, you can touch the Cancel field in the pop-up menu to cancel the autoscale process.

  • Page 18: Autoscale Algorithm

    Autoscale Autoscale Algorithm Autoscale Algorithm This section describes what the autoscale algorithm does when a signal, or signals, is present at the oscilloscope inputs. It also describes what occurs when signals are not present at the oscilloscope inputs. What the Autoscale Algorithm Does When a Signal is Found The autoscale algorithm first checks all input channels to determine whether or not there are any signals present.
  • Page 19 Autoscale Autoscale Algorithm Displaying the Waveform When the autoscale algorithm is complete, the oscilloscope automatically starts running, and displays waveforms for the inputs that have been selected. The run mode (single or repetitive) that was selected prior to running autoscale is the run mode executed when autoscale is completed.

  • Page 20: Menus And Fields Changed By The Autoscale Algorithm

    Autoscale Menus and Fields Changed by the Autoscale Algorithm Menus and Fields Changed by the Autoscale Algorithm The following table shows the menus and their fields that are changed by the autoscale algorithm. Settings Changed by Autoscale Menu Field Autoscale Action Channel V/Div Scaled - depending on amplitude of input signal.

  • Page 21: The Channel Menu

    The Channel Menu...
  • Page 22 The Channel Menu The Channel menu lets you select the channel input for the module. It lets you select values that control the vertical sensitivity, offset, probe attenuation factor, input impedance, and coupling of the input channel shown in the Input field. The Channel menu also gives you preset vertical sensitivity, offset, and trigger level values for ECL and TTL logic levels.
  • Page 23 The Channel Menu Channel Field Menu Map...

  • Page 24: Input Field

    Likewise, A2 identifies the card location as slot A and the input location as channel For oscilloscope modules installed in an HP 16500B/C Logic Analysis System mainframe, two inputs are available for each card. At system turn on, the Input field defaults to the lowest lettered and numbered input for the module selected.

  • Page 25: V/Div Field

    The Channel Menu V/Div Field V/Div Field You use the V/Div field to set the vertical sensitivity for the waveform on the screen. It is set for the channel displayed in the Input field. Vertical sensitivity determines the vertical size of a waveform displayed on the screen and it is measured in volts per division.

  • Page 26: Offset Field

    The Channel Menu Offset Field Offset Field You use the Offset field to set the vertical position of the waveform on the screen. It is set for the channel currently displayed in the Input field. Vertical position determines the vertical placement of the waveform. Offset is measured in volts.

  • Page 27: Probe Field

    The Channel Menu Probe Field Probe Field You use the Probe field to set the probe attenuation factor for the input channel currently displayed in the Input field. Probe Attenuation Factor The probe attenuation factor can be set from 1:1 to 1000:1 in increments of one.

  • Page 28: Preset Field

    The Channel Menu Preset Field Preset Field When you touch the Preset field, a pop-up menu appears. TTL, ECL, and User are the options available. The Preset field automatically sets offset, V/div, and trigger level values to properly display TTL and ECL logic levels. Trigger level is in the Trigger menu and can be changed only when edge trigger is the selected trigger mode.

  • Page 29: Time Base Functions

    Time Base Functions...
  • Page 30 Time Base Functions The s/Div and Delay time base fields control the horizontal display on the oscilloscope. There are three rows of fields displayed on the oscilloscope. The s/Div and Delay fields are located in the bottom row of fields. These two fields are displayed on all of the oscilloscope menus, except for the Calibration menu.

  • Page 31: S/Div Field

    Any value from 500 ps/div to 5 s/div (HP 16534) and 1ns to 5s/div (HP 16533) can be entered from the keypad. Sweep speed values are rounded and then truncated to the three most significant digits.
  • Page 32 Time Base Functions s/Div Field At sweep speeds of 100 ms/div and slower, the time to acquire the 32768 sample points for acquisition memory is greater than 1 second. At these sweep speeds the screen displays the message "Waiting for Prestore" when acquiring the sample points prior to the trigger.

  • Page 33: Delay Field

    Time Base Functions Delay Field Delay Field The Delay field allows you to set the horizontal position of the displayed waveform in relation to the trigger. Delay time is measured in seconds. Setting Horizontal Position Delay time zero is always at the trigger point of the waveform. A delay time value is the time difference measured from before or after the trigger point on the waveform (delay time zero), to the center point of the screen.
  • Page 34 1 ns to 500 ns/div 32.7 ms (HP 16533A) 500 ps to 200 us/div 16.3 ms (HP 16534A) Pre- and post-trigger delay time ranges, as they compare with sweep speeds, are shown in the table at the end of this chapter.
  • Page 35 Time Base Functions Delay Field Panning (Acquisition Stopped) When acquisitions are stopped, the Delay field can be used to control what portion of acquisition memory will be displayed on screen. Acquisition memory is comprised of the following sections: Pre-trigger delay range = delay time setting − (16384 × sample period) Post-trigger delay range = delay time setting + (16384 ×...

  • Page 36: Sample Period Field

    Time Base Functions Sample Period Field Sample Period Field Any time the Time and Voltage Markers field are both Off, the sample period of the acquired waveform is displayed in the bottom row of the menu fields. Sample period is the time period between acquired sample points and is the inverse of sample rate (digitizing rate).
  • Page 37 Time Base Functions Sample Period Field Sample Period Value Display Any time the markers (either voltage and/or time) are turned on, the current marker settings may be displayed on the channel, trigger, display and auto-measure menus by using the Display Options field located to the right of the time base Delay field.
  • Page 38 Time Base Functions Sample Period Field HP 16534A Sample Period Table s/Div Sample Sample Trace Percent on Rate Period Length Screen 100 Sa/s 10 ms 327.68 s 250 Sa/s 4 ms 131.07 s 500 Sa/s 2 ms 65.536 s 500 ms...
  • Page 39 Time Base Functions Sample Period Field HP 16534A Delay Table Sample *Max. Negative **Max. Positive Max. Negative Max. Positive s/Div Period Delay Delay Delay Delay at Acquisition at Acquisition −2.5 Ks −163 s 10 ms 2.5 Ks 2.5 Ks −65.5 s −2.5 Ks...
  • Page 40 Time Base Functions Sample Period Field HP 16533A Sample Period Table s/Div Sample Sample Trace Percent on Rate Period Length Screen 100 Sa/s 10 ms 327.68 s 250 Sa/s 4 ms 131.07 s 500 Sa/s 2 ms 65.536 s 500 ms...
  • Page 41 Time Base Functions Sample Period Field HP 16533A Delay Table Sample *Max. Negative **Max. Positive Max. Negative Max. Positive s/Div Period Delay Delay Delay Delay at Acquisition at Acquisition −2.5 Ks −163 s 10 ms 2.5 Ks 2.5 Ks −65.5 s −2.5 Ks...
  • Page 42 4-14...

  • Page 43: The Marker Menu

    The Marker Menu...
  • Page 44 The Marker Menu The oscilloscope has two sets of markers that allow you to make time and voltage measurements. These measurements can be made either manually (voltage and time markers) or automatically (time markers only). The markers are accessed when you touch the Markers choice on the oscilloscope menu pop-up.
  • Page 45 The Marker Menu Markers Field Menu Map...
  • Page 46 The Marker Menu Markers Field Menu Map (Continued)

  • Page 47: Manual Time Markers Options

    Manual Time Markers Options When you touch the T Markers field on the display, a pop-up menu appears. When you touch the On field in the pop-up to turn T Markers On, you can manually move the Tx and To markers to make time measurements.

  • Page 48: Tx To To Field

    The Marker Menu Tx to To Field Tx to To Field The Tx to To field displays the time difference (delta time) between the Tx marker and the To marker. When you select the Tx to To field, turning the knob moves both the Tx and To markers across the display without changing the value in the Tx to To field.

  • Page 49: Trig To X Field

    The Marker Menu Trig to X Field Example The Tx marker is to the left of the To marker The Tx to To marker is originally set to 352 µs The Trig to X field is originally 8 µs The Trig to O field is originally 360 µs Then, using the keypad, decrease the value of Tx to To to 200 µs.

  • Page 50: Trig To O Field

    The Marker Menu Trig to O Field Trig to O Field The To marker is shown on the waveform display as a vertical dashed yellow line. The border around the Trig to O field is also yellow so that you can correlate the value in that field to the yellow To marker.

  • Page 51: T Marker Value Display

    The Marker Menu T Marker Value Display As you move the Tx marker from a low portion on the waveform to a high portion, the X voltage value under the input label in the channel label field also changes. When you touch the Trig to O field and turn the knob, the To marker (yellow) will move, and the time and voltage values will change just as they did for the Tx marker.

  • Page 52: Automatic Time Marker Options

    Automatic Time Marker Options When you touch the T Markers field a pop-up menu appears. When you touch the Auto field in the pop-up, a pop-up menu for automatic time marker measurements is displayed. The automatic time marker measurements are made by setting the time markers to levels that are either a percentage of the top-to-base voltage value of a waveform or that specify voltage levels.

  • Page 53: Done Field

    The Marker Menu Done Field Done Field You touch the Done field when you are done entering data in the auto-markers pop-up and want to return to the waveform display. Set on Field The Set on field assigns an input waveform to the Tx or To marker, or allows the marker to be set manually (with the MANUAL selection in the pop-up).

  • Page 54: At Level Field

    The Marker Menu at Level Field at Level Field When the marker Type is Percent, the at Level field sets the Tx or To marker to a percentage level (from 10% to 90%) of the top-base voltage on the waveform selected by the Set on field. When you select the at Level field, you can change the percentage by turning the knob or by entering a value from the pop-up keypad.

  • Page 55: Slope Field

    The Marker Menu Slope Field Slope Field The Slope field sets the Tx or To marker on either the positive or negative edge of the selected occurrence of a waveform. When you touch the Slope field, the slope toggles between Positive and Negative. The default selection for the Slope field is Positive.

  • Page 56: Statistics Field

    The Marker Menu Statistics Field Statistics Field The Statistics field allows you to make minimum, maximum, and mean time interval measurements from marker Tx to marker To. When you touch the Statistics field, it toggles between On and Off. The default selection for the Statistics field is On.

  • Page 57: Run Until Time X-O Field

    The Marker Menu Run Until Time X-O Field Run Until Time X-O Field This field allows you to set up a stop condition for the time interval between the Tx marker and To marker. When the stop condition is met, the oscilloscope stops making acquisitions and displays the message "Stop condition satisfied."...
  • Page 58 The Marker Menu Run Until Time X-O Field Greater Than Field When you select this field from the pop-up, a time value field appears next to the Run Until Time X-O Greater Than field. The time value field default value is 0 s.

  • Page 59: Manual/Automatic Time Markers Option

    Manual/Automatic Time Markers Option The manual/automatic combination allows you to have one marker set to automatic mode and one marker set to be controlled manually with the knob. Setting the Manual/Automatic Time Markers Option To set the manual/automatic option you touch the T Markers field and select the Auto field from the pop-up.

  • Page 60: Voltage Markers Options

    Voltage Markers Options When you touch the V Markers field on the display, a pop-up menu appears. When you touch the On field in the pop-up to turn Voltage Markers On, you can manually move the Va and Vb markers to make voltage measurements.

  • Page 61: Va On Field

    The Marker Menu Va On Field Va On Field The Va marker is shown on the waveform display as a horizontal dashed green line. The border around the Va On field is also green so you can more easily correlate the value in this field to the green Va marker. When you select the Va On field, you are able to assign the Va marker to one of the oscilloscope acquisition channels.

  • Page 62: Vb On Field

    The Marker Menu Vb On Field Vb On Field The Vb marker is shown on the waveform display as a horizontal dashed yellow line. The border around the Vb On field is also yellow so you can more easily correlate the value in this field to the yellow Vb marker. When you select the Vb On field, you are able to assign the Vb marker to one of the oscilloscope acquisition channels.

  • Page 63: Va To Vb Field

    The Marker Menu Va to Vb Field Va to Vb Field This field displays the difference between the Va and Vb markers. This value is dependent on channel selections and represents Vb minus Va. Center Screen Field The Center Screen field appears on the right side of the Marker menu. The Center Screen field is used to modify the horizontal (time base) position of the waveform display.

  • Page 64: Marker Value Display

    The Marker Menu V Marker Value Display V Marker Value Display Any time the markers (either voltage and/or time) are turned on, the current marker settings may be displayed on the channel, trigger, display and auto-measure menus by using the Display Options field located to the right of the time base Delay field.

  • Page 65: The Trigger Menu

    The Trigger Menu...
  • Page 66 The Trigger Menu When you are set up in a multi-card configuration, only the master card input channels are recognized as the trigger source. The oscilloscope will not trigger on inputs from the other cards in a multi-card setup. This chapter discusses how triggering works in a single card configuration or in the master card in a multi-card configuration.
  • Page 67 The Trigger Menu Trigger Field Menu Map...

  • Page 68: Trigger Marker

    Trigger Marker The trigger marker is the dotted vertical red line at the center of the waveform display. The point where the waveform from the trigger source crosses the trigger marker is called the trigger point. The trigger point always represents a delay time of zero seconds. If you set delay time to greater than ±5 times the sweep speed, the trigger marker will move off the screen.

  • Page 69: Edge Trigger Mode

    Edge Trigger Mode When you are set up in a multi-card configuration, only the master card input channels are recognized as the trigger source. The master card is the card at the top of the module. The oscilloscope will not edge trigger on inputs from the other cards in a multi-card setup.

  • Page 70: Source Field

    When you have two or more HP 16533/34A modules connected together, you can only specify the channels on the master HP 16533/34A module as the trigger source. At power-up, the default channel input selection for the Source field is...

  • Page 71: Level Field

    The Trigger Menu Level Field Level Field The Level field shows the trigger level voltage value. When the voltage value on the trigger source equals the trigger level, the oscilloscope triggers. The point at which the oscilloscope triggers is called the trigger point (see the illustration below).
  • Page 72 The Trigger Menu Level Field If the trigger point voltage level is set above or below the waveform amplitude, the trigger point cannot be found. If Auto-Trig is set to On, this causes the waveform display to become unsynchronized and to "float" on the display.

  • Page 73: Slope Field

    The Trigger Menu Slope Field Slope Field You can set the trigger slope to trigger on either the positive or negative edge of the trigger source waveform. When you touch the Slope field, the field toggles between Positive and Negative. The default selection for the Slope field is Positive.

  • Page 74: Auto-Trig Field

    The Trigger Menu Auto-Trig Field Auto-Trig Field The Auto-Trig field allows you to specify whether or not the acquisitions should wait for the specified trigger condition to occur. When you touch the Auto-Trig field, the field toggles between On and Off. The On and Off fields are discussed below.

  • Page 75: Pattern Trigger Mode

    When you have two or more HP 16533/34A modules connected together, you can only specify the channels on the master HP 16533/34A module as the trigger source.

  • Page 76: Channel/Pattern Field

    The Trigger Menu Channel/Pattern Field Channel/Pattern Field The Channel/Pattern field is located next to the Mode field. It allows you to enter a pattern for the combination of the input channels and the ECL external trigger. Channel The Channel row lists the inputs available on the oscilloscope module being used.

  • Page 77: When Field

    The Trigger Menu When Field To enter a pattern, touch either X, L, or H on the pop-up keypad. The entries you make appear at the top of the pop-up keypad as they are entered. If you make a mistake, turn the knob to move the highlight to the entry to be corrected and select the correct entry, or touch CLEAR to change all entries back to X and enter the correct values.
  • Page 78 The Trigger Menu When Field Present > When this field is active, the scope triggers on the first transition that causes the pattern specification to be false for every input used in the pattern trigger specification if the specified pattern has been true for the time duration specified.
  • Page 79 The Trigger Menu When Field If the count set in the Count field is one, the trigger event will be the first pattern event that meets both the pattern specification and the duration specification. If the count is greater than one, only the first pattern event must meet the duration specification.

  • Page 80: Count Field

    The Trigger Menu Count Field Example With a pattern specification of HXX, a duration specification of >60 ns and <100 ns, and a count of 3; a pulse string with pulse widths 200 ns, 80 ns, 150 ns, 50 ns, 75 ns, 20 ns would trigger on the trailing edge of the 50 ns pulse. In this example, the 80 ns pulse meets the duration specification and is count 1, the 150 ns pulse is count 2, and the 50 ns pulse is count 3.

  • Page 81: Auto-Trig Field

    The Trigger Menu Auto-Trig Field Auto-Trig Field The Auto-Trig field allows you to specify whether or not the acquisitions should wait for the specified pattern condition to occur. When you touch the Auto-Trig field, the field toggles between On and Off. When you set auto-trigger to On, the oscilloscope waits for approximately 50 ms (20 Hz rate) for a trigger to occur.

  • Page 82: Immediate Trigger Mode

    Immediate Trigger Mode When you are set up in a multi-card configuration, only the master card input channels are recognized as the trigger source. The oscilloscope will not trigger on inputs from the other cards in a multi-card module. This section discusses how immediate triggering works in a single-card module or in the master card in a multi-card module.

  • Page 83: Intermodule Measurements

    BNC PORT IN as set up on the IMB menu. More information about intermodule applications can be found in the HP 16500/16501A Logic Analysis System User’s Reference and the HP 16500/16501A User’s Guide. 6-19...
  • Page 84 6-20...

  • Page 85: The Display Menu

    The Display Menu...
  • Page 86 The Display Menu The Display options control how the oscilloscope acquires and displays waveforms. You can cause the oscilloscope to acquire and display the waveforms in one of the following modes: • Normal • Average • Accumulate The Display options also control the connect-the-dots display and grid display features.
  • Page 87 The Display Menu Display Field Menu Map...

  • Page 88: Mode Field

    The Display Menu Mode Field Mode Field The Mode field determines how waveform information is acquired and displayed. When you touch the Mode field, a pop-up menu appears. You can select Normal, Average, or Accumulate from the pop-up. The default selection for the Mode field is Normal.
  • Page 89 The waveforms that are generated in Accumulate mode cannot be stored to file or printed directly; only the latest waveform will be saved or printed. If your HP 16500 system has LAN capability, the accumulated waveforms can be accessed by FTPing to the /system/graphics directory. The accumulated data is...

  • Page 90: Connect Dots Field

    The Display Menu Connect Dots Field Connect Dots Field The oscilloscope display can optionally be enhanced to show a better picture of a waveform. This is done by using the Connect Dots On or Connect Dots Off feature of the display. The default setting for the Connect Dots field is Off.

  • Page 91: Grid Field

    The Display Menu Grid Field Grid Field The oscilloscope display can optionally be divided into horizontal and vertical grids by using the Grid On or Grid Off feature of the display. Touching the Grid field will toggle the field between On and Off. The default setting for the Grid field is Off.

  • Page 92: Acquisition Time Field

    Menu. The real time clock cannot be modified from the Display menu. Refer to the HP 16500 User’s Reference for details for setting the real time clock. The Acquisition Time field will be blank at system power-up. It will show the date and time of any acquisition when you touch the Run field and make the first data acquisition.
  • Page 93 The Display Menu Display Options Field To specify a Scope Channel Label, touch the field corresponding to the oscilloscope input you wish to label. The default Scope Channel Labels are the cardslot and input number you see elsewhere on the oscilloscope menus. When you touch one of the channel label fields, an alpha-numeric keypad will appear on screen.
  • Page 94 7-10...

  • Page 95: The Auto-Measure Menu

    The Auto-Measure Menu...
  • Page 96 The Auto-Measure Menu One of the primary features of the oscilloscope is its ability to make parametric measurements on displayed waveforms. This chapter provides details on how automatic measurements are performed and gives some tips on how to improve automatic measurement results. You access the Auto-Measure menu by touching the menu field (top row, second from the left), then by selecting Auto-Measure from the pop-up menu that appears.
  • Page 97 The Auto-Measure Menu Auto-Measure Menu Map...

  • Page 98: Automatic-Measurement Fields

    Automatic-Measurement Fields There are two Automatic-Measurement fields. They are the Input field and the actual automatic measurement display. These fields are discussed in the following paragraphs. Input Field The Input field allows you to select the source of the waveform to be measured.

  • Page 99: Automatic Measurement Prerequisites

    Automatic Measurement Prerequisites This section gives you some helpful pointers to help you make automatic measurements easier. Measurement Setup Requirements Measurements typically should be made at the fastest possible sweep speed in order to obtain the most accurate measurement possible. You can only make automatic measurements with data that is currently being displayed in the waveform display area.

  • Page 100: Criteria Used For Making Automatic Measurements

    The Auto-Measure Menu Criteria Used for Making Automatic Measurements Criteria Used for Making Automatic Measurements If more than one waveform, edge, or pulse is displayed, the measurements are made on the first (leftmost) portion of the displayed waveform that can be used.

  • Page 101: Automatic Measurement Algorithms

    Automatic Measurement Algorithms This section explains top and base voltages, then defines the measurement algorithms. Top and Base Voltages All measurements except Vp_p are calculated using the V (100% voltage) and V (0% voltage) levels of the displayed waveform. The V and V base base...

  • Page 102: Measurement Algorithms

    The Auto-Measure Menu Measurement Algorithms Measurement Algorithms Frequency (Freq) The frequency of the first complete cycle displayed is measured using the 50% levels. If the first edge on the display is rising, then Freq = − t rising edge 2 rising edge 1 If the first edge on the display is falling, then Freq =...
  • Page 103 The Auto-Measure Menu Measurement Algorithms Positive Pulse Width (+Width) Pulse width is measured at the 50% voltage level. If the first edge on the display is rising, then − t +Width = t falling edge 1 rising edg e 1 If the first edge on the display is falling, then −...
  • Page 104 The Auto-Measure Menu Measurement Algorithms Fall time Fall time is measured between the 10% and 90% points of the falling edge. To obtain the best possible measurement accuracy, set the sweep speed as fast as possible while leaving the falling edge of the waveform on the display: −t Fall time = t Preshoot and Overshoot...

  • Page 105: The Waveform Selection Menu

    The Waveform Selection Menu...
  • Page 106 The Waveform Selection Menu This chapter shows you how to insert, replace, and delete input channels on the waveform display, and how to perform waveform math and overlay functions. Any of these operations can be performed from any of the oscilloscope menus except calibration. The dark-blue channel label field to the left of the waveform display area shows the input channels that are being displayed.
  • Page 107 The Waveform Selection Menu Waveform Selection Menu Map...

  • Page 108: Module Field

    The Waveform Selection Menu Module Field Module Field The Module field in the waveform selection menu lets you select waveforms from more than one module when you are making intermodule measurements. Selecting a Module in the Module Field If you are running your modules in the mainframe independently, and you touch the Module field, the name of the module you are currently running will be displayed as the only option in the pop-up menu.

  • Page 109: Channel Mode Field

    The Waveform Selection Menu Channel Mode Field Channel Mode Field Touching the Channel Mode field in the Waveform Selection field causes a pop-up menu to appear. This pop-up shows the channel mode selections available. The Channel Mode field lets you select how the waveform will be displayed.
  • Page 110 The Waveform Selection Menu Channel Mode Field Example To overlay the waveform on Input 1 with the waveform on Input 2: Touch the Channel Mode field on the display, then when the pop-up appears, touch the Overlay field. Turn the knob so that the bottom input in the channel label field is highlighted in white.
  • Page 111 The Waveform Selection Menu Channel Mode Field Waveform Math (Chan+Chan Mode) This is a waveform mode that lets you take the signal from one channel input and add it to the signal from another channel input. Waveforms from separate modules cannot be added together when making an intermodule measurement.
  • Page 112 The Waveform Selection Menu Channel Mode Field Waveform Math (Chan−Chan Mode) This is a waveform math mode that lets you take the signal on one channel and subtract it from the signal on the other channel. Waveforms from separate modules cannot be subtracted from each other when making an intermodule measurement.

  • Page 113: Action Field

    The Waveform Selection Menu Action Field Action Field The Action field is a toggle field that toggles between Replace and Insert. These options let you choose to replace or to insert an input channel in the waveform display area. In single-card modules the waveform display shows input 1 as yellow and input 2 as green.

  • Page 114: Delete All Field

    The Waveform Selection Menu Delete All Field Delete All Field The Delete All field in the Waveform Selection pop-up menu lets you delete all of the currently displayed channel inputs from the waveform display area. The pop-up selections for this field are Continue and Cancel Cancel Selecting Cancel from the Delete All pop-up menu allows you to change your mind about deleting all currently displayed inputs.

  • Page 115: Waveform Size Field

    The Waveform Selection Menu Waveform Size Field also use the Module field to choose the module that contains the input channels you wish to display. Waveform Size Field The Waveform Size field accesses a selection menu which contains choices that scale the displayed waveforms to different sizes. Use this feature to increase the number of waveforms in the display or to make viewing better for just a few.
  • Page 116 9-12...
  • Page 117 Specifications and Characteristics...
  • Page 118 The characteristics are not specifications, but are included as additional information. For complete information on the test procedures used to verify product performance, refer to the optional Service Guide, available through your HP Sales Office. 10–2...

  • Page 119: Specifications And Characteristics Operating System

    Operating System Operating System For the HP 16500B mainframe, both the HP 16533A and the HP 16534A require HP 16500B operating system V 3.03 or later to operate. For the HP 16500C mainframe, operating system V 1.00 or later is required.

  • Page 120: Characteristics

    OR up to 10 with independent triggers for each pair of channels. Maximum of 20 channels with HP 16501A expansion frame. Rise Time*: 1.4 ns (HP 16533A) and 700 ps (HP 16534A) Vertical (dc) Gain Accuracy**: +/-1.25% of full scale Input Coupling: 1 MΩ: ac, dc...
  • Page 121 Specifications and Characteristics Characteristics HORIZONTAL: Time Base Range: 0.5 ns/div to 5 s/div Time base Resolution: 10 ps Delay Pre-trigger Range: 81.8 sec, 5 divisions Delay Post-trigger Range: 2.5 x 10 seconds TRIGGERING: Trigger Level Range: Within display window (vertical offset +/- 2 divisions) Trigger Modes: Immediate: Triggers immediately after arming condition is met.

  • Page 122: Supplemental Characteristics

    (+/- 0.4%). Digitizing Rate Up to 1 Gigasample per second (HP 16533A). Up to 2 Gigasample per second (HP 16534A). Digitizing Technique: Real-time digitizing; each 32,768 samples are acquired on a single acquisition. Acquisition Memory Size: 32,768 samples per channel.
  • Page 123 Specifications and Characteristics Supplemental Characteristics Connect-the-dots Provides a display of the sample points connected by straight lines. Waveform Reconstruction When there is insufficient data to fill every horizontal location, a post acquisition reconstruction filter fills in missing data points for time base < 50 ns/div. Waveform Math Display capability of A-B and A+B functions is provided.
  • Page 124 Specifications and Characteristics Supplemental Characteristics Automatic Measurements: The following pulse parameter measurements can be performed automatically. • Frequency • Rise time • + pulse width • Period • Fall time • -pulse width • V p_p • Preshoot • amplitude •...

  • Page 125: Installation And Operator's Service

    Installation and Operator’s Service...
  • Page 126 Preparing For Use This section gives you instructions for preparing the oscilloscope module for use. Power Requirements All power supplies required for operating the oscilloscope are supplied through the backplane connector in the mainframe. Operating Environment The oscilloscope module’s reliability is enhanced when operating the module within the following ranges: •...

  • Page 127: To Inspect The Module

    If you are installing a one-card module, use any available slot in the mainframe, unless you also have an HP 16530/31 module in the mainframe. If there is an HP 16530/31 module in the mainframe, the HP 16534 module must be seated above the HP 16530/31 module.
  • Page 128 Installation and Operator’s Service To prepare the mainframe Loosen the thumb screws. Cards or filler panels below the slots intended for installation do not have to be removed. Starting from the top, loosen the thumb screws on filler panels and cards that need to be moved.

  • Page 129: To Install The Module

    HP 16500B/C Logic Analysis System mainframe. Note that if an HP 16530 card is in the mainframe, the HP 16534 must be located above the HP 16530 for proper operation. All cards in a multi-card module must be the same model. You cannot mix HP 16533A and HP 16534A cards in a single module.

  • Page 130: To Configure The Hp 16533/34A Module

    Installation and Operator’s Service To configure the HP 16533/34A module To configure the HP 16533/34A module Slide the cards above the slot for the HP 16533/34A module about halfway out of the mainframe. Slide the HP 16533/34A module approximately halfway into the mainframe.
  • Page 131 To configure a multi-card module, use the master/expander trigger cable included with the accessory kit of each HP 16533/34A card. Starting with the top-most HP 16533/34A card, connect the ECL EXT TRIG OUT to the ECL EXT TRIG IN of the card immediately below.

  • Page 132: To Reconfigure A Multi-Card Module Into Single-Card Modules

    HP 16500 mainframe. Remove all master/expander trigger cables from the rear panel of each HP 16533/34A card in the module. Remove and reinstall each HP 16533/34A card as desired and reapply power to the mainframe.

  • Page 133: Calibrating And Adjusting

    To periodically verify the performance of the analyzer, refer to the optional Service Guide. Calibration frequency The oscilloscope circuitry in the HP 16533/34A oscilloscope requires an operational accuracy calibration by the user or service department under any of the following conditions: •...

  • Page 134: To Calibrate The Oscilloscope

    Remove power from the HP 16500 mainframe. If a multi-card module is being calibrated, disconnect all Master/Expander Trigger Cables from the ECL EXT TRIG IN and OUT connectors on the rear panel of each HP 16533/34A card.
  • Page 135 PROTECT/UNPROTECT switch on all cards must be set to UNPROTECT. Reinstall the modules and filler panels. Apply power to the HP 16500 mainframe. Allow the HP 16533/34A module to warm up approximately 30 minutes before doing the following steps in the self calibration.

  • Page 136: Self Cal Menu Calibrations

    The calibration must be performed in the exact sequence listed below. N O T E The calibration PROTECT/UNPROTECT switch on the HP 16533/34A Oscilloscope module must be set to UNPROTECT. Touch the Module field, then at the pop-up menu touch the Scope card to be calibrated.
  • Page 137 If a multi-card HP 16533/34A module is being calibrated, repeat steps 1 through 3 for the next HP 16533/34A card until all cards have been completed. If a single-card HP 16533/34A module is being calibrated, proceed to step 6.
  • Page 138 Self Cal menu calibrations Install the Master/Expander Trigger Cables on the ECL EXT TRIG IN and OUT connectors on the rear panel of each HP 16533/34A card. Starting with the top-most HP 16533/34A card, connect the ECL EXT TRIG OUT to the ECL TRIG IN of the card immediately below. Repeat for all cards in the module.

  • Page 139: Protect The Operational Accuracy Calibration Factors

    Remove the HP 16533/34A module and set the PROTECT/UNPROTECT switch to the PROTECT position. On a multi-card module, the PROTECT/UNPROTECT switch on all cards must be set to PROTECT.
  • Page 140 11–16...

  • Page 141: Index

    Index 32768 samples, 1–3 to 1–4 Period, 8–8 Coupling field 8-bit vertical voltage resolution, 8–7 prerequisites, 8–5 default value, 3–7 Preshoot, 8–10 selections, 3–7 Risetime, 8–9 setting input impedance, 3–7 things to remember, 8–5 Accumulate display Mode top and base voltages, 8–7 See Display Mode, 7–5 Vp_p, 8–8 acquisition memory...
  • Page 142 Index changing Trig to O voltage value, 5–9 message ECL preset values, 3–8 changing Tx to To time value, 5–8 Auto triggered, 6–10, 6–17 Edge trigger, 3–8, 6–2, 6–5 changing x to o voltage value, 5–9 Autoscale is in progress, 2–2 to 2–3 Auto-Trig field, 6–10 moving To marker, 5–9 No signal found, 2–5...
  • Page 143 Index When Range field, 6–15 Immediate, 6–2, 6–18 When Range values, 6–15 s/Div field, 4–3 to 4–4 Immediate, use, 6–18 peak-to-peak voltage value, 5–10 s/Div field default value, 4–4 marker, 6–4 positive time, 4–6 sample period, 4–8 marker, at zero delay, 6–7 Preparation for use, 11–2 sample period definition, 4–8 menu map, 6–2...
  • Page 144 Index waveform deleting, 9–10 inserting, 9–9 unsynchronized, 6–8, 6–10 viewing the entire record, 4–7 waveform math adding channels, 9–7 subtracting channels, 9–8 waveform size field, 9–11 When field, 6–13 to 6–15 X marker Trig to X field, 5–7 yellow line To marker, 5–8 zooming, 4–4 Index-4...

  • Page 145: Glossary

    It is meas- you have touched the Run field. ured in seconds per division and and is viewed in the s/Div field. It is set card A single HP 16533A or by using the knob or the keypad. HP 16534A unit. Glossary-1...
  • Page 146 Glossary allows you to choose any of the mod- immediate mode The trigger mode that does not require a spe- ules in the mainframe as your cific trigger condition (that is; an working module. It also allows you edge or a pattern). to choose system options and inter- module options.
  • Page 147 Glossary repetitive mode The field that field turns light-blue to activate the causes the oscilloscope to start the knob for that field. next acquisition as soon as the pre- vious acquisition has been trigger point The point at which completed and the data has been dis- the voltage on the signal source in- played (that is, to take single put waveform equals the trigger...
  • Page 148 Glossary-4...
  • Page 149 • © Copyright Hewlett- Safety Safety Symbols Service instructions are for Packard Company 1992 - 1999 trained service personnel. To This apparatus has been avoid dangerous electric designed and tested in All Rights Reserved. ® shock, do not perform any accordance with IEC MS-DOS is a US...

  • Page 150: Publication Number

    About this edition maintenance. This Hewlett-Packard This is the HP 16533A product has a warranty N N o o o ot t h h e e r r w w a a r r r r a a n n t t y y i i s s...
  • Page 151 1900 Garden of the Gods Road Colorado Springs, CO 80907 USA declares, that the product Product Name: Digitizing Oscilloscope Module Model Number(s): HP 16533A and 16534A Product Option(s): conforms to the following Product Specifications: Safety: IEC 1010-1:1990+A1 / EN 61010-1:1993 UL 3111 CSA-C22.2 No.
  • Page 152 Product Regulations Safety IEC 1010-1:1990+A1 / EN 61010-1:1993 UL 3111 CSA-C22.2 No.1010.1:1993 This Product meets the requirement of the European Communities (EC) EMC Directive 89/336/EEC. Emissions EN55011/CISPR 11 (ISM, Group 1, Class A equipment) Immunity EN50082-1 Code Notes IEC 555-2 IEC 555-3 IEC 801-2 (ESD) 4kV CD, 8kV AD IEC 801-3 (Rad.) 3 V/m...

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