cxa1702ar Sony Electronics, cxa1702ar Datasheet - Page 3

• Manufacturer Part Number: cxa1702ar
• Description: 4-channel Rec/pb Amplifier For 8 Mm Vcr
• Manufacturer: Sony Electronics

Pin Description
Pin
No.
1
2
3
4
5
6
7
8
YLEV_MTG 1.8V to
XDECK 2.4V
AFM IN
Symbol
LEVEL
GND2
LOW
CIN
YIN
T1
(when pin
is open)
H: 4.3 V
or more
L: 0.6 V
or less
input
1.8V to
4.75V
input
4.75V
input
2.45V
2.45V
DC
0V
—
—
Pin voltage
500mVp-p
500mVp-p
125mVp-p
input
input
input
AC
—
—
—
—
—
8
4
140
6
3
Equivalent circuit
1
100k
90µ 90µ
140
5
YLEVEL
270
23k
140
100k
—3—
2.45V
140
140
2.45V
90µ
140
2.45V
3.2V
—
20p
20µ
270
50k
21k
50k
2.9V
100µ
50k
MTG
270
(V
14k
90µ
CC
100µ
40µ
25µ
20µ
70µ
, V
2.8V
3.15V
CC
1.8V
1.75V
2, V
CC
Input pin for recording AFM
signal. Input signal bias should
be in the range from 1 V to 3.5 V.
Connect to Vcc when the pin is
not in use.
GND pin
Input pin for recording chroma
signal.
DECK and NORM switching pin
H
L
Open :
Input pin for recording Y signal.
EVR adjusting pin for low-band
recording signal (chroma, AFM,
video path ATF, PCM path ATF)
level.
voltage lowers the signal level.
Test pin. Set the pin open.
EVR adjusting pin for recording Y
signal level and middle tune boost
amount. Adjusts the former during
recording and the latter during
playback. Increasing the input
voltage lowers recording Y signal
level and boost amount.
1CH, V
:
:
CC
Increasing the input
NORM (4ch)
DECK (2ch)
Description
2CH=4.75V, Ta=25°C)
CXA1702AR