Samsung MAX-670 - Page 52

KA2271B : DIC1
LB1649 : UIC4
9-8 Samsung Electronics
BUFFER
BUFFER
VCA & HPF
RMS
DETECTOR
GND
7
R/P SW
4
NR SW
13
R/R
12
Vcc
10
CONTROL
SWITCH
VOLTAGE
REGULATOR
8
REC IN1 PB 1N1
6
PB OUT1
3
GAIN
FACTOR
RMS
DETECTOR
VCA & HPF
1
16
15
5
2
9 11
REC IN2 PB IN2 REC OUT2
14
PB OUT2
RIPPLE
FILTER
R.CONST
RIPPLE
FILTER
REC OUT1
10
3
OUT1
OUT2
VCC1
1
IN 1
Fin
11
2
IN 2
12
6
VZ1
VZ2
IN3
5
IN4
8
7
VCC2
9
4
OUT3
OUT4
Input Logic Input Logic
Pre-Driver
Pre-Driver
Block Diagrams