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A  p r o d u c t  o f 

T R I O - K E N W O O D  C O R P O R A T I O N 

17-5, 2-chome,,- Shibuya, Shibuya-ku, Tokyo 150, Japan 

©  3 5 4 0 9  P r i n t e d in  J a p a n  B 5 0 - 2 9 7 9 - 0 0  ( T ) 

Summary of Contents for MS-1650B

Page 1: ...MS 1650B DIGITAL MEMORY OSCILLOSCOPE INSTRUCTION MANUAL T R I O...

Page 2: ...memorized signals on the screen sample intervals have become joined and smooth 9 Real time waveform being displayed on the screen can be stored in the memory thus providing simplified operation 10 Bo...

Page 3: ...n 1 div of amplitude on t h e C R T L I N E W i t h i n t h e specified p o w e r s u p p l y voltage E X T M o r e t h a n 1 V p p S y n c f r e q u e n c y I N T 2 0 H z 1 0 M H z E X T D C 1 0 M H...

Page 4: ...e Not more t h a n 5 0 0 ns Input r e s i s t a n c e A p p r o x 3 0 kft 14 pin cable receptacle Data contents 14 pin cable receptacle It Data contents Pin 1 Data L S B Pin 8 M S B Pin 2 B I T 2 Pin...

Page 5: ...s is used for calibration of the vertical amplifier attenuators and to check the frequency com pensation adjustment of the probes used with the oscilloscope 7 GND TERMINAL Earth terminal of the oscill...

Page 6: ...ition readout to MEMORY OUT terminal is effective each time S T A R T is depressed For write mode use the SCOPE position The memory data from the initial address to final address are read out once by...

Page 7: ...eep is started so the triggering level can be adjusted 28 TRIG D Sync indication lamp lights when sync signal is trig gered Check this lamp lights when writing input singal to memory The lamp may ligh...

Page 8: ...morized signal when connecting MU 1651 memory unit and using as a mutiple trace memory oscilloscope 4 1 D A T A OUT Output terminal for memory data 8 bit BINARY and timing signal 4 2 P O W E R C O N N...

Page 9: ...e may be checked by feeding input from the CAL 6 terminal Since the calibration voltage is 1 Vp p the waveform becomes 5 div at the 0 2 V position of the VOLTS DIV 8 In measuring DC component set the...

Page 10: ...t indicated by the setting TRIGGER POINT switch 17 appears on the scale the oscilloscope provides a negative delay of up to 9 div When the DELAY switch is 6 position the memory waveform is as shown in...

Page 11: ...b this is convenient when it is necessary to observe consecutive phenomena without observer intervention By pulling the DISPLAY TIME knob REAL position the FREE RUN functions Depressing the DISPLAY TI...

Page 12: ...gnal prior to triggering and should be set to 0 9 div 3 After setting the above switches turn the S T A R T switch to ON The WRITE LED red will light to indicate that the input signal is in standby mo...

Page 13: ...PLICATIONS OF OSCILLOSCOPE OPERATING Phase Measurement Phase measurements may be made with an oscilloscope Typical applications are in circuits designed to produce a specific phase shift and measureme...

Page 14: ...ar the MU 1651 memory unit is con nected and its MEMORY OUT is applied to HOR INPUT the phase of two memorized waveforms can be calculated When three M U 1 6 5 K T units are used X Y operation between...

Page 15: ...signal generator must be extremely flat The oscilloscope vertical input should be set to DC as it will introduce the least distortion especially at low frequencies Because of the harmonic content of...

Page 16: ...nd that the distorted square wave includes a combination of amplitude and phase distortions In a typical wide band amplifier a square wave check reveals many distortion characteristics of the circuit...

Page 17: ...Fig 19 indicates low frequency components which have been reduced in amplitude and shifted in phase It will be noted that these examples of low frequency distoriton are characterized by change in shap...

Page 18: ...oss and phase shift Fig 21 Effect of high frequency boost and good damping F x 1 OUT OF PHASE LAG Fig 18 Tilt resulting from a phase shift of funda mental frequency in a lagging direction Fig 20 Effec...

Page 19: ...cillation I Low frequency phase shift trace thick ened by hum voltage Fig 2 2 S u m m a r y of waveform analysis for square w a v e testing amplifiers PRECAUTIONS When input signal contains the elemen...

Page 20: ...ed from the case Caution High voltage of up to 2 0 0 0 V is present at the C R T socket power supply circuit board and FOCUS control To prevent electrical shock be sure to turn off the power when remo...

Page 21: ...es up or down adjust the VAR BAL VR until it is centered 2 Repeat the above steps so that the trace stays still when the VARIABLE is turned VAR BAL i Fig 2 3 D C B A L a d j u t m e n t Vertical Atten...

Page 22: ...he four case right side holes with those of retainer plate and fix the re tainer plate with 4 nylon rivets and 4 washers At this time confirm that the retainer plate is installed grommet and insert th...

Page 23: ...A p r o d u c t o f T R I O K E N W O O D C O R P O R A T I O N 17 5 2 chome Shibuya Shibuya ku Tokyo 150 Japan 3 5 4 0 9 Printed in J a p a n B 5 0 2 9 7 9 0 0 T...

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