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Related Manuals for Tektronix 314
Summary of Contents for Tektronix 314
- Page 3 Tektronix warrants that this product is free from defects in materials and workmanship. The warranty period is one (1) year from the date of shipment. Tektronix will, at its option, repair or replace the product if Tektronix determines it is defective within the warranty period and if it is returned, freight prepaid, to a service center designated by Tektronix.
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Page 4: Table Of Contents
Power-Source Requirements AC Power Source Selection DC Power Source Selection FUNCTIONS OF CONTROLS, CONNECTORS, AND INDICATORS Vertical Display Triggering Horizontal, Calibrator, and Power MEASUREMENT TECHNIQUES Triggering the Sweep Triggering Internally on the Input Signal Triggering from an External Source 314 Operators... - Page 5 AC Signals Instantaneous Voltage Measurement Voltage Comparison How to Measure Time Risetime Delay Time How to Measure Frequency How to Measure Phase How to Make Dual-Trace Phase Measurements How to Make High-Resolution Phase Measurements How to Measure Common-Mode Rejection 314 Operators...
- Page 6 TABLE OF CONTENTS (cont) PAGE How to Use External Blanking (Z-Axis or Intensity Modulation) How to Store a Display Using Enhanced Mode Integrated Fast-Rise Waveforms Care of Storage CRT Some Common Operational Errors 314 Operators...
- Page 7 Fig. 1. S o n y -T e k tro n ix 3 1 4 S torage O scilloscope. 314 Operators...
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Page 8: Operating Information
The ground (earth) terminal of the plug The 314 is operated from a line voltage o f 100, 115, 120, is directly connected to the instrument frame. For elec 200, 230, or 240 V ac, 48 to 440 Hz, or from a +12 or tric shock protection, insert this plug into only a mating +24 V dc source. -
Page 9: Power-Source Requirements
Line-Voltage and Regulating-Range Selector Fig. 2. L in e V o lta g e and Range S electo r sw itches. Fig. 3. A C -D C S elector and DC P ow er-Source in p u t. 314 Operators... -
Page 10: Dc Power Source Selection
W A R N I N G Dangerous potentials exist at several points through o u t the interior o f this instrument. Refer to the 314 DC Power Source Selection Service manual fo r precautions and procedures con... -
Page 11: Functions Of Controls, Connectors, And Indicators
( 7 ) CH 1 and CH 2 Input Coupling Switch and Indicator. 1 8 2 3 -0 4 AC(out position). Blocks dc component of in put signal. Low frequency — 3 dB point is about 10 Hz. Fig. 4. F ro n t panel. 314 Operators... -
Page 12: Display
100 kHz rate. See NOTE following ALT. ( ? ) Chassis Ground. Provides a common-signal ground return to the signal source. Operating the 314 un (To) ALT. Signals from both vertical channels are displayed grounded on +12 V or +24 V dc isolates the instrument alternately (dual trace). - Page 13 AUTO and NORM buttons are pushed in. ( j? ) ERASE. Erases the stored display. 1 8 2 3 -0 6 ( l7 ) ENHANCE LEVEL. Adjusts the single-sweep stored writing speed. Fig. 7. F ro n t panel. 314 Operators...
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Page 14: Triggering
50 kHz and 10 MHz. (24) LEVEL. Selects the amplitude of the signal on which the sweep is triggered. Fig. 8. Rear panel. Fig. 9. F r o n t panel. 314 Operators R E V . A , A U G . 1975... -
Page 15: Horizontal, Calibrator, And Power
(27) EXT TRIG OR HORIZ INPUT. BNC connector for applying either an external triggering signal or an ex ternal horizontal signal. 1 8 2 3 -1 0 Fig. 11. F r o n t panel. Fig. 10. S ide panel. 314 Operators... - Page 16 (3?) LOW LINE. Lights when instrument is on. Flashes (3?) Horizontal POSITION. Positions the display horizon when power supply goes out o f regulation due to low source voltage. tally. 314 Operators R E V . A , A U G . 1975...
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Page 17: Measurement Techniques
Manual (NORM) triggering is used when the exact trigger ing point is important, or fo r triggering on signal frequen The 314 sweep can be triggered from an internal or external cies below about 30 Hz. Manual triggering can also be used source. -
Page 18: Triggering From An External Source
Set TIM E /D IV switch to .2 ms and Sine-Wave Generator frequency to 1 kHz. d. Press AUTO button in. e. Turn 314 LEVEL control through its range and note e. Set CH 1 VO LTS/DIV switch to .5. that the triggering point on the displayed signal changes. -
Page 19: X-Y Displays
For frequency measurements, c. Set VO LTS/DIV switch to an appropriate position for several cycles or events are usually displayed and the time the vertical signal voltage. 314 Operators R E V . A , A U G . 1975... -
Page 20: Signal Application To Vertical Input
When part o f a wave compensate the probe, touch the probe tip to the .5 V CAL OUT connector on the 314 fro n t train or waveform that occurs later than the sweep trigger... -
Page 21: How To Measure Voltage
Voltage (peak-to-peak) = measured amplitude in div, m ulti the grounding lead to the chassis ground connec plied by the deflection factor (VOLTS/DIV switch setting tor on the 314 side panel. times probe attenuation factor). HOW TO MEASURE VOLTAGE P O S IT IO N T O If a coaxial cable is used, terminate the cable in its charac... -
Page 22: Instantaneous Voltage Measurement
Deflection factor conversion constant equals: has been set. Reference Signal Voltage c. Set T IM E /D IV switch, LEVEL control and SLOPE switch VO LTS/DIV setting x Display Am plitude (in div) for the desired display. 314 Operators... -
Page 23: How To Measure Time
M ultiply the distance measured by the T IM E /D IV switch setting to obtain the apparent time interval. The TIM E /D IV VA R IA B LE control must be in the CAL position. Fig. 13. M easuring risetim e. 314 Operators... -
Page 24: Delay Time
^ D I S T A N C E '► l 1 8 2 3 - 14 TIME -------------------------- Frequency (in Hz) Fig. 14. M easuring tim e betw een tw o pulses at 50% a m p litu d e p o in ts. 314 Operators... -
Page 25: How To Measure Phase
(up to the frequency limits of the vertical control. Adjust the span of a reference waveform so that 1 system) using the dual-trace feature o f the 314 as follows: cycle covers a given number of div. Figure 15 illustrates how the graticule can be calibrated for 45°/div. -
Page 26: How To Make High-Resolution Phase Measurements
HOW TO MEASURE COMMON-MODE REJECTION The ADD function of the 314 can be used to display signals that contain undesirable components as follows: a. Connect the signal containing both the desired signal and 1 8 2 3 -1 5 the undesired signal to CH 1 VERT INPUT connector. -
Page 27: How To Use External Blanking (Z-Axis Or Intensity Modulation)
(B) C hannel 2 signal co n ta in s lin e -fre q u e n c y o n ly , (C) C rt d ispla y using co m m o n -m o d e re je c tio n . 314 Operators... -
Page 28: How To Store A Display
Readjust INTENSITY control so that the trace is just visible. Press STORE button in, then press e. Set the time base for single-sweep operation and press ERASE button. Note normal storage mode background light on crt. STORE button in. Then press ERASE button. 314 Operators... -
Page 29: Using Enhanced Mode
Then press between the horizontal and vertical segments) ENHANCE button in and set the ENHANCE LEVEL con could cause storage target damage. trol to about midrange. Apply a single-sweep display. 314 Operators... -
Page 30: Care Of Storage Crt
+12 V or +24 V nominal). To prolong the useful life of the storage screen, the fo llo w 2. Check the external dc source if using external dc supply. ing precautions should be observed: 314 Operators... - Page 31 4. Check for proper line voltage and range if using dc 6. Compare control settings and cable connections power supply line. with the setup instructions given in the Performance Check in the Service manual. 314 Operators R E V . A , O C T . 1975...
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