L2572

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

2 of 14

www.unisonic.com.tw

QW-R102-032.A

PIN CONFIGURATION

PIN DESCRIPTION

PIN NO.

PIN NAME

I/O

DESCRIPTION

1

AFC PUMP

I

Current pump, integrating the signal pulses into a DC voltage

2

AFC WINDOW ADJUST

I

Set the AFC deadband voltages corresponding the frequency

3

GND

4

OSCILLATOR+

I

Oscillator positive signal

5

OSCILLATOR-

I

Oscillator negative signal

6

AGC BIAS

I

Set the AGC bias

7

AGC OUTPUT

O

Output AGC DC voltage

8

RF INPUT

I

Input signal

9

RF INPUT

I

Input signal

10

VIDEO OUTPUT

O

Output video signal

11

VIDEO FEEDBACK-

I

Feedback the video negative signal

12

VIDEO+

O

Video positive signal

13

VIDEO-

O

Video negative signal

14

VIDEO FEEDBACK+

I

Feedback the video positive signal

15

16

AFC OUTPUT

O

Output AFC DC voltage