LA7170 datasheet(4/8 Pages) SANYO

部品番号	LA7170

部品情報	RF Modulator for UHF Band (Supports SECAM)

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メーカー	SANYO [Sanyo Semicon Device]

ホームページ	https://www.sanyo-av.com/us/

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4 / 8 page

No. 5675-4/8

LA7170M

Continued from preceding page.

Pin No.

Symbol

Pin Voltage

Pin Description

Equivalent Circuit

2.6

(open)

L (0 to 1.5 V) : PAL-TANK1

M (2.1 to 3.2 V) : PAL-TANK2

H (3.8 to 5.0 V) : SECAM-TANK2

10

FoCTL

2.5

1.8

2.5

This circuit forms a Colpitts oscillator.

11

12

13

14

OSC-B1

OSC-E1

OSC-E2

OSC-B2

0

Ground for RF oscillator

15

GND2

5.0

VCC for RF oscillator

16

VCC2

0

VCC for RF mixer

17

GND3

1.7

Grounding this pin through a capacitor or resistor

attenuates the sound intercarrier level.

18

P/S

3.0

RF mixer signal output

19

RF OUT

5.0

VCC for RF mixer

20

VCC3

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