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Related Manuals for Tektronix 535A
Summary of Contents for Tektronix 535A
- Page 1 TEKTRONIX IN C P.O . BOX 831 PORTLAND 7. O R E G O N...
- Page 2 INTRODUCTION The following pages provide a rapid means of setting the controls o f your Tektronix Type 535A or Type 545A Oscilloscope. This infor mation is designed to give you not only control settings for specific applications but also various func...
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Page 3: Table Of Contents
CONTENTS Probe Adjustment ..........Charocteristics o f Plug-In and Type 535A-545A Combinations ....Selecting tho Triggering Signal ....Triggered Operation: AUTOMATIC MODE . Triggered Operation: AC MODE ..Triggered Operation: DC MODE ....Triggered Operation: AC, LF REJECT MODE Triggered Operation: Using the Type CA Plug-In Unit .... -
Page 4: Probe Adjustment
BEFORE USING PROBE ALW AYS CHECK ITS ADJUSTMENT PROBE ADJUSTMENT An adjustable capacitor in the probe body compcnsales for variations in input capacitance from one instrument to another, so that your pulse and transient measurements w ill be accurate Touch the probe tip to the oscilloscope cali brator output connector and adjust the oscilloscope controls to display several cycles o f the waveform. -
Page 5: Selecting Tho Triggering Signal
CHARACTERISTICS OF PLUG-IN AND TYPE 535A /TYPE 5 4 5 A COMBINATIONS For the complete list of specifications, including risetime and input capacitance, see the instruction manual for the instrument involved. PLUG-IN DEFLECTION FACTOR BANDPASS (Calibrated) 535A/545A TYPE A .05 v/cm to 20 v/cm... - Page 6 TRIGGERED OPERATION AUTOM ATIC MODE For periodic signals 60 cycles lo 2 megacycles This mode i» porticularly useful when changing the input connection from one point in the circuit to another. It pro vides a trace with or without a triggering signal. POSITION PAGE* CONTROL...
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Page 7: Control Position Page
TRIGGERED OPERATION AC MODE For transient or periodic signals IS cycles to 5 megacycles This modo is particularly useful for low-frequency signals. It provides a trace only when a triggering signal occurs. CONTROL POSITION PAGE* HORIZONTAL OISPLAY A o r B TRIGGERING M O D f ----------. -
Page 8: Triggered Operation: Dc Mode
TRIGGERED OPERATION DC MODE For transient or periodic signals DC to 5 megacycles This mode is particularly usoful for signals that change slowly, signals below the lower frequency lim it of the AC MODE. POSITION PAGE* CONTROL HORIZONTAL DISPLAY A o r B TRIGGERING MODE TRIGGER SLOPE f + IN T or —... -
Page 9: Triggered Operation
TRIGGERED OPERATION AC, LF, REJECT MODE For fromronf or periodic signals, 10 kilocycles lo 5 megacycles This mode is particularly useful for eliminating undesir able low-frequency components in the triggering signal. PAGE* POSITION CONTROL A or B HORIZONTAL DISPLAY TRIGGERING MODE AC, LF REJECT + IN T or —... -
Page 10: Using The Type Ca Plug-In Unit
TRIGGERED OPERATION USING THE TYPE CA PLUG-IN UNIT For transient or periodic signals, JO kilocycles to 5 megacycles Dual-trace operation is possible with the Type CA PLUG IN UNIT. In the ALTERNATE position, two traces may be displayed alternately. In the CHOPPED position, tw o traces may bo displayed simultaneously. -
Page 11: Set The Appropriate Time/Cm Switch For Tho Desired Time
SYNCHRONIZED OPERATION HF SYNC MODE repetitive signals Above 5 megacycles In confrost to triggered operation, this mode gives a re current horizontal sweep which may be synchronized by the red STABILITY knob. POSITION PAGE* CONTROL A o r B HORIZONTAL DISPLAY HF SYNC TRIGGERING MODE f + IN T or —... -
Page 12: Free Running Sweep Operation
FREE-RUNNING SWEEP OPERATION In usual oscilloscope applications, the sweep is triggered or synchronized by Ihe input waveform. However, it is possible to use the output from either o f the + GATE connectors or the SAWTOOTH A connector to trigger or synchronize the input wave form. -
Page 13: Delayed Sweep Operation
DELAYED-SWEEP OPERATION The deloyed-sweep mode o f operation makes pos sible occurato time and pita so measurements as well as high magnification o f a selected portion o f a low duty-cycle waveform. 1. Set the controls o f both time bases for TRIGGERED OPERATION. -
Page 14: Delayed Sweep Expanded
DELAYED SWEEP EXPANDED 1 Set ihe controls o f both time bases fo r delayed sweep operation, with the TIME BASE A TIME/CM switch set for a faster sweep rate than TIME BASE B. 2. Place the HORIZONTAL DISPLAY switch in tho B' IN TENSIFIED BY 'A ' position. - Page 15 SINGLE SWEEPS MANUAL OPERATION T hii mode of operafion per mits photographing recurrent phenomena when succeeding waves are similar necessarily identical. 1 Set the controls of the appropriate time base for free- running operation. 2 Place the HORIZONTAL DISPLAY switch in the 'A ' SINGLE SWEEP position.
- Page 16 SINGLE SWEEPS TRIGGERED OPERATION This mode o f opcrolion per mits photographing a single transient, without interference from succeeding signals. t . Set the HORIZONTAL DISPLAY switch to Time-Base A. G ick the STABILITY knob full left to PRESET. Got a stoblo display of the signal from the AMPLITUDE CALIBRATOR connector, whoso amplitude is about that expected o f the desired signal.
- Page 17 EXTERNAI SWEEP This mode o f operation uses externally derived waveforms to deflect the trace both horizontally and vertically. 1 Connect one externally derived waveform to the input connector on the plug-in unit for vertical deflection and con nect the other to the HORIZ. INPUT binding post connector on the oscilloscope for horizontal deflection.
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Page 18: Possible Causes For Lack Of Trace
USING THE VARIABLE STABILITY CONTROL For o few extremely difficult triggering applications, a sotting o f tho rod STABILITY knob, other than PRE SET position, is desirable. This may occur in the DC, AC, or AC, Ur REJECT Modos. 1 A fier setting the oscilloscope controls for the dosired triggering mode, turn the block TRIGGERING LEVEL control full right. -
Page 19: Operating Description O F Controls And Connectors
OPERATING DESCRIPTIONS OF CONTROLS A N D CONNECTORS HORIZONTAL DISPLAY The seven position switch determines the time bose used ond the type o f display presented In tho three TIME BASE A positions, the A sweep is connected to the horizontal amplifier input. - Page 20 TRIGGERING LEVEL (2 c o n tro l*) The TRIGGERING LEVEL control determines the volt age on the triggering signal at which the horizontal trace w ill start. This control is disabled when the TRIGGERING MODE switch is in the AUTO, or HF SYNC positions. 5X MAGNIFIER The sweep magnifier expands any two centimeter portion o f the displayed waveform the full ten centi...
- Page 21 HORIZONTAL POSITION A N D VERNIER The two controls position the trace horizontally. a m p l it u d e c a l ib r a t o r The AMPLITUDE CALIBRATOR switch selects any one of eighteen square-wave output amplitudes, adjustable from .2 MILLIVOLTS, PEAK-TO-PEAK.
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Page 22: U Ia / M M 'I
+ GATE A a n d + GATE B THo two + GATE binding post connectors supply posi tive-going waveforms with peak values of approximately + 3 0 volts. The start and duration o f the +G A TE A waveform corresponds to the start and duration o f the positive-going sawtooth waveform available from the SAWTOOTH A binding post connector.