LA7161BM/BV

No.A0006-4/8

Pin Equivalent Circuit

Pin No.

Symbol

Voltage

Equivalent circuit

Remarks

1

P/S

ADJ

2.7

Capacitor and additionally a resistor may be inserted

between the circuit and GND to attenuate the audio

inter-carrier level.

2

AUDIO

IN

0

FM audio input

3

FM

LPF

2.2

Control pin of output FM oscillator for the PLL phase

detector charge pump.

4

GND

0

5

VIDEO

IN

2.6

Video input

Clamped with sink chip

6

CARR

OFF

-

Hi:14PIN Hi RF Operating

Lo:14PIN Lo RF Stop

Continued on next page.

1

10k

Ω

500

Ω

2k

Ω

20pF

100k

Ω

3k

Ω

2

1k

Ω

1k

Ω

3

2.2V

1k

Ω

500

Ω

100

Ω

5

6

100k

Ω

25k

Ω

20k

Ω