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Trio CS-1566A, Инструкция по эксплуатации

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Trio CS-1566A Скачать руководство пользователя страница 29

Fig.  3 8 Effect of high-frequency boost and good 

damping 

A .  F r e q u e n c y  d i s t o r t i o n ,  ( a m p l i t u d e 

r e d u c t i o n of  l o w - f r e q u e n c y 

c o m p o n e n t ) , no phase shift. 

B.  L o w - f r e q u e n c y  b o o s t 

( a c c e n t u a t e d  f u n d a m e n t a l ) . 

C .  H i g h - f r e q u e n c y loss — No phase 

shift. 

D.  L o w - f r e q u e n c y phase shift 

E .  L o w - f r e q u e n c y loss 

and phase shift. 

F .  H i g h - f r e q u e n c y loss and 

l o w - f r e q u e n c y phase shift. 

G .  H i g h - f r e q u e n c y loss 

and phase shift. 

H.  D a m p e d  o s c i l l a t i o n . 

I.  L o w - f r e q u e n c y phase  s h i f t (trace 

t h i c k e n e d  b y  h u m - v o l t a g e ) . 

Fig;  3 9

 Summary of waveform analysis for square wave testing of amplifiers 

29 

Содержание CS-1566A

Страница 1: ...TRIGGERED SWEEP OSCILLOSCOPE HIGH S T A B I L I T Y CS 1566A DUAL TRACE OSCILLOSCOPE INSTRUCTION MANUAL T R I O...

Страница 2: ...observation The time base switch allows changeover between V vertical and H horizontal of VIDEO sync separator circuit automatically and electronically INT C H 1 CH2 LINE and EXT can be individually...

Страница 3: ...time 0 5Ms div to 5s div 5 and X Y 1 2 5 sequence Fine adjustment in all 19 ranges Magnification 10 times 5 PULL x 10 MAG Linearity Better than 3 2 zs div to 0 5s div Better than 5 0 5 s div to 1 s d...

Страница 4: ...tation Trace angle is adjustable by panel surface ad justor Power Requirements Power supply voltage 100 120 220 240V 10 50 60 Hz Power consumption 47W Dimensions Width 260 mm 277 mm Height 190 mm 204...

Страница 5: ...CONTROLS ON PANELS FRONT PANEL Fig 1 REAR PANEL Fig 2 5...

Страница 6: ...Dual trace operation in which sweep is chopped at approximate 200 kHz rate and switched between Channel 1 and Channel 2 traces Recommended for sweep times of 0 5 s div to 1 ms div ADD The waveforms f...

Страница 7: ...tive going sync pulse 19 LEVEL PULL AUTO Sync level adjustment determines points on waveform slope where sweep starts equals most negative point of triggering and equals most positive point of trigger...

Страница 8: ...40V be sure to use a 0 5A fuse 29 POWER CONNECTOR For connection of the supplied AC power cord 30 Z AXIS INPUT Intensity modulation terminal T T L logic compatible high logic increase brightness low l...

Страница 9: ...djust VOLTS DIV 4 7 and VARIABLE 5 8 so that the pulse amplitude is set to the 0 and 100 scales 2 Turn SWEEP TIME DIV 21 to magnify the rising portion of the waveform as large as possible VARIABLE 22...

Страница 10: ...ative going waveform In this case the output waveform is shifted with respect to the leading edge of the Fig 5 Waveforms in divide by two circuit reference frequency pulse by a time interval cor respo...

Страница 11: ...of the waveforms change depending upon the input or more mode of opera tion Ffg 8 shows a typical digital circuit and identifies several of the points at which waveform measure ment are appropriate T...

Страница 12: ...uch cases it is recommended that the sync re main unchanged while the sweep speed or X 1 0 Fig 8 Typical digital circuit using several time related waveforms MAG used be to expaned the waveform displa...

Страница 13: ...e amplifier unit may be measured for distortion with this oscilloscope This type of measurement is especially variable when the slope of a waveform must be faithfully reproduced by an amplifier Fig 10...

Страница 14: ...ns Fig 11 shows a burst circuit The basic settings are identical to those of in Fig 5 Waveform EA is the reference waveform and is applied to CH1 input All other waveforms are sampled at CH2 and compa...

Страница 15: ...Y P E T O H O R I Z O N T A L A M P L I F I E R T O V I D E O O U T P U T A M P L I F I E R N O T E NO E L E C T R I C A L C O N N E C T I O N P L A C E C L I P ON I N S U L A T I O N O F P L A T E C...

Страница 16: ...ut jack The VARIABLE control is adjusted as required to provide a complete cycle of the input waveform displayed on 8 div horizontally A waveform height of 2 div is used The 8 div display represents 3...

Страница 17: ...abled to see the VITS The transmitted VITS is precision sequence of a specific frequences amplitudes and waveshapes as shown in Fig 16 Television networks use the precision signals for adjustment and...

Страница 18: ...s on either side This suggests an IF trap is detuned into the passband chopping out frequencies about 2 MHz below the picture carrier frequency Switch to another channel carrying VITS If the same thin...

Страница 19: ...ection moving the trace to the left until the expanded VITS information appears as shown in Fig 16 Because of the low repetition rate and the high sweep speed combination the brightness level of the s...

Страница 20: ...he peak to peak voltage readings on the oscilloscope with those shown on the waveform pictures Any abnormal readings should be followed by additional readings in the suspected circuits until the troub...

Страница 21: ...controls for the desired brightness and best focus 15 To view a specific portion of the waveform such as the color burst pull outward on the POSITION control for X10 magnification Rotate the same con...

Страница 22: ...tal gain controls for a display similar to that shown in Fig 23A 5 Set the marker generator precisely to 10 7 MHz The marker pip should be in the center of the bandpass 6 Align the IF amplifiers accor...

Страница 23: ...e waveform A sine wave input is applied to the audio circuit being tested The same sine wave input is applied to the vertical input of the oscilloscope and the output of the tested circuit is applied...

Страница 24: ...ces a circular oscilloscope pattern Phase shift of less or more than 90 produces an elliptical oscilloscope pattern The amount of phase shift can be calculated from the oscilloscope trace as shown in...

Страница 25: ...can evaluate the input and output quality of a signal of many frequencies the harmoniques of the square wave which is what the amplifier sees when amplifying complex wave forms of musical instruments...

Страница 26: ...ase a deliberate non linear circuit such as a clipper network 3 The third is delay or phase distortion which is distortion produced by a shift in phase between one or more components of a complex wave...

Страница 27: ...lts are opposite in the two cases because of the difference in polarity of the phase angle in the two cases that can be checked through algebraic addition of components Fig 36 indicates low frequency...

Страница 28: ...the square wave indicates a transient oscillation in a relatively high Q network in the amplifier circuit In this case the sudden transition in the square wave potential from a sharply rising relativ...

Страница 29: ...tuated fundamental C High frequency loss No phase shift D Low frequency phase shift E Low frequency loss and phase shift F High frequency loss and low frequency phase shift G High frequency loss and p...

Страница 30: ...or EXT TRIG is up to 50V DC AC peak and the input to Z AXIS is up to 50V DC AC peak 4 Do not increase the brightness of the CRT unnecessarily 5 Do not leave the oscilloscope for a long period with a b...

Страница 31: ...adjustments use a well insulated screw driver 3 Before marking adjustments be sure to turn on the power and wait until the unit is stabilized 4 For adjustment follow the procedures described below 5...

Страница 32: ...the trace comes to the position of the line in CH2 NOR mode when the CH2 polarity is inverted Horizontal Position Adjustment 1 To adjust the horizontal position under the nor mal sweep condition set t...

Страница 33: ...SCHEMATIC DIAGRAM CS 1566A 33...

Страница 34: ...A p r o d u c t of 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 2 5 3 1 2 PRINTED IN J A P A N B50 2918 00 G...

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