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CXA1700AQ

Luminance and Color Signal Processing for 8mm VCR

Sony Semiconductor 

CXA1700AQ/AR

Input signal

Signal

a

b

Input signal waveform

Frequency f (Hz)

Amplitude

V (mVp-p)

100% white

SYNC 0dB

357mV

Signal

source

SG3

SG5-2

SG19

SG41

SG45

SG53

SG5-1

4.6µsec

4.5µsec

1H

63.5µsec

143mV

1.5µsec

c

141% white

SYNC 0dB

SG5-1

504mV

143mV

d

SG30

50% white

Overlapping sine

Frequency f (Hz)

wave

SYNC 0dB

Sine wave

amplitude

SG32

357mVp-p

178.5mV

143mV

e

SYNC –6dB

SG30

71.5mV

Signal

i

Input signal waveform

Signal

source

SG53

Chroma signal VC(fHz/VmVp-p)

Burst signal VB (3.58MHz/143mVp-p)

j

90°

0°

SG53

90°

90° phase shift

f(Hz)/V(mVp-p)

k

180°

0°

180° SG45

180° phase inversion

f(Hz)/V(mVp-p)

l

2.5V SG24

4.7µsec

0V

1H(NTSC)63.56µsec: 15.734kHz

m

V in MAX

V in MIN

SG53

f

SYNC +6dB

SG30

286mV

g

100% white

SYNC –6dB

h

SYNC 0dB With color burst

0.4µsec

2.2µsec

210mVp-p

4.6µsec

3.58MHz

SG30

357mV

71.5mV

SG30

143mV

fsc/143mVp-p: 60Hz, 35% AM modulated

V in MAX –V in MIN

V in MAX +V in MIN ×100 = 35%

n

PBC RF signal

SG45

Burst signal VB

(743kHz/200mVp-p)

o

Chroma signal

(fHz/200mVp-p)

1.4V

SG46

0V

10m sec

10m sec

—26—

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