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TRIGGERED S W E E P OSCILLOSCOPE

H I G H S T A B I L I T Y

C S - 1 5 6 0 A I I

DUAL TRACE OSCILLOSCOPE

INSTRUCTION MANUAL

T R I O

Содержание CS-1560AII

Страница 1: ...TRIGGERED SWEEP OSCILLOSCOPE H I G H S T A B I L I T Y C S 1 5 6 0 A I I DUAL TRACE OSCILLOSCOPE INSTRUCTION M A N U A L T R I O...

Страница 2: ...NELS 4 Front Panel 4 Rear Panel 4 OPERATION 7 Preliminary operation 7 Operating Procedures 7 APPLICATIONS 8 Dual trace Applications 8 Single channel Applications 17 FM Receiver Adjustments 19 X Y Appl...

Страница 3: ...C A T I O N S 2 Cathode Ray Tube Type 130BXB31 orC535P31B Accelerating voltage 2kV Scale 8 div x 10div 1 div 1 cm Vertical Amplifiers CH1 and CH2 Deflection Factor 10 mV div 20V div 1 2 5 sequence 1...

Страница 4: ...Calibrating Voltage WP p 5 1kHz square wave Intensity Modulation Input Voltage More than 20Vp p Input impedance 470kfi 2 0 Trace Rotation More than 20Vp p Input Impedance 470kfl 2 0 Trace Rotation Tr...

Страница 5: ...4 CONTROLS ON PANELS FRONT PANEL REAR PANEL...

Страница 6: ...y about 200 kHz signal CHOP operation In the range of 0 5ms div to 0 5 s div the input signals to both channels are alternately switch ed for each sweep ALT operation ADD The waveforms from both chann...

Страница 7: ...signal is applied with fly back line displayed on CRT With trigger signal trigger sweep is effected where sync level is adjustable When the sync level exceeds the limit the sweep is set in free runni...

Страница 8: ...21 set to CH 1 the CH 1 input signal from the Input terminal 3 is fed to the synchro circuit where the CH1 signal is synchro nized Similarly when SOURCE is set to CH2 the CH2 signal is synchronized Us...

Страница 9: ...3C the divide by two output waveform is shown which occurs during the falling time of pulses In this case the putput waveform is shifted with respect to the leading edge of the reference frequency pu...

Страница 10: ...equency dividers as previously described but waveforms are often time related in many other combinations Fig 5 shows a typical digital circuit and identifies several of the points at which waveform me...

Страница 11: ...Fig 5 Typical digital circuit using several time related waveforms 10...

Страница 12: ...an amplifier Fig 7 shows the testing of a circuit using a triangular wave such as is found in the limiter circuit of a transmitter modulator The measurement may be made us ing any type of signal merel...

Страница 13: ...l knobs are the same as those in Fig 4 The waveform A is the reference waveform and is applied to CH1 input All other waveforms are sampled at CH2 and compared to the reference waveform of CH1 The bur...

Страница 14: ...illoscope can be efficiently used to localize the defect With an identical signal applied to the inputs of both amplifiers a side by side comparison of both units can be made by progressively sampling...

Страница 15: ...can be performed using single trace operation These are outlined later in the application section covering single trace operation One of these procedures viewing the multi burst signal in the VITS ver...

Страница 16: ...followed by line 279 and line 18 is followed by line 280 The entire VITS appears at the bottom of the vertical blanking pulse and just before the first line of the video signal Each of the multi burs...

Страница 17: ...eo detector or other desired test point in the video section of the television receiver 4 Set the SYNC switch as follows A If the sync and blanking pulses of the observed video signal are positive use...

Страница 18: ...loscope is an indispensable in strument It provides a visual display of the absence or presence of normal signals This method signal tracing may be used to trace a signal by measuring several points i...

Страница 19: ...gative limiting in IF overload conditions are shown in Fig 19 18 V E R T I C A L S Y N C P U L S E V E R T I C A L B L A N K I N G I F A M P V I D E O A M P To set up the oscilloscope for viewing comp...

Страница 20: ...ove the probe to the demodulator output The S curve should be displayed and the 10 7MHz pip should appear in the center see Fig 20B Adjust the demodulator according to the manufac turer s instructions...

Страница 21: ...ed 2 Set the signal generator output for the normal operating level of the circuit being tested Observe the circuit s output on the oscilloscope and if the test cir cuit is overdriven the sine wave di...

Страница 22: ...a square wave contains a lat number of odd harmonics By injecting a 500Hz sine wave into an amplifier we can evaluate amplifier response at 500Hz only but by injecting a square wave of the same frequ...

Страница 23: ...A Y A D J U S T V E R T GAIN F O R C O N V E N I E N T VIEWING H E I G H T I N P U T A M P L I F I E R C I R C U I T BEING T E S T E D O U T P U T Fig 25 Equipment set up for square wave testing of a...

Страница 24: ...at the top of the leading edge of the square wave because of over compensation at the frequencies of more than 10kHz As a rule of thumb it can be safely said that a square wave can be used to reveal...

Страница 25: ...acterized by a change in shape of the flat portion of the square wave Fig 28B shows a high frequency overshoot produced by rising amplifier response at high frequencies It should again be noted that t...

Страница 26: ...uced as indicated in Fig 35 Fig 36 summarizes the preceding explanations and serves as a handy reference Fig 35 Effect of high frequency boost and good damping Frequency distortion amplitude reduction...

Страница 27: ...e input for EXT TRIG is up to 50V DC AC peak and the input to Z AXIS is up to 50V DC A C peak 4 Do not increase the brightness of the CRT un necessarily 5 Do not leave the oscilloscope for a long peri...

Страница 28: ...39 Adjust TC302 so that the brightness at the sweep starting point is the same as the brightness at other points SWEEP TIME DIV in 0 5 u position Finally adjust the spot with FOCUS and ASTIG 5 CRT tra...

Страница 29: ...ical center position adjust VR206 POS ADJ so that the waveform starts at the left end of the scale 2 X POSITION adjustment To adjust the horizontal position of the waveform when the S W E E P TIME DIV...

Страница 30: ...S C H E M A T I C D I A G R A M 29...

Страница 31: ...A p r o d u c t of TRIO KENWOOD CORPORATION 17 5 2 chome Shibuya Shibuya ku Tokyo 150 Japan 15208 PRINTED IN JAPAN B50 2888 00 G...

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