TL852

SONAR RANGING RECEIVER

SLSS003 – SEPTEMBER 1983 – REVISED MARCH 1988

2

POST OFFICE BOX 655303

POST OFFICE BOX 1443

functional block diagram

Gain

Control

Reg Ref

VCC – 2.1 V

0.3 V

G2IN

GCA

GCB

GCC

GCD

BIAS

7

14

13

12

15

8

0.7 V

50

µA

1

µA

G1IN

GADJ

LC

XIN

GND

1

3

4

2

16

9

6

REC

G1OUT

VCC

5

schematic of gain control inputs

VCC

INPUT

GND

GCA, GCB, GCC, AND GCD