LA7170 データシートの表示（PDF） - SANYO -> Panasonic

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LA7170

RF Modulator for UHF Band (Supports SECAM)

SANYO -> Panasonic 

Continued from preceding page.

Pin No.

Symbol

Pin Voltage

LA7170M

Pin Description

10

FoCTL

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

Equivalent Circuit

11

OSC-B1

12

OSC-E1

13

OSC-E2

14

OSC-B2

2.5

1.8

1.8

This circuit forms a Colpitts oscillator.

2.5

15

GND2

16

VCC2

17

GND3

0

Ground for RF oscillator

5.0

VCC for RF oscillator

0

VCC for RF mixer

18

P/S

1.7

Grounding this pin through a capacitor or resistor

attenuates the sound intercarrier level.

19

RF OUT

3.0

RF mixer signal output

20

VCC3

5.0

VCC for RF mixer

No. 5675-4/8

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