UTC7312
DESCRIPTION
The UTC7312 is a monolithic integrated circuit designed for dual pre-amplifier circuit with ALC for record /playback amplifier of cassette tape recorder. ta e e h
U 4 t m o .c
LI NEAR I NTEGRATED CI RCUI T
FEATURES
- High open loop gain
- Incorporates ALC detector circuit
- No input coupling condenser
- Low noise and current consumption
- Wide ALC range
- Wide operating voltage range: Vcc=5V ~ 12V Low Power ON shock noise
BLOCK DIAGRAM
Rippli filter ALC input Ch 2
Vcc
Ripple Filter
Phase pensat ion of ch1
ALC Time constant
NFof CH1
ALC input Ch 1
Output 1
Input of Ch1 w w w t a .D
13 ALC 2
S a
11 4 e h
Phase pensat ion of ch2
U 4 t e
NFof CH2
.c m o
DIP-14
Output 2
Ch2 Amp
Ch1 Amp
Input of...