NJM2240(2004) Просмотр технического описания (PDF) - Japan Radio Corporation

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NJM2240
(Rev.:2004)

VIDEO SUB-CARRIER SIGNAL QUADRUPLER

Japan Radio Corporation  

NJM2240

■ BLOCK DIAGRAM & EXTERNAL COMPONENTS

There is stray capacity assembled on PC board, and so select Rx, Cx to the value which pin 2 voltage (search voltage

at VCC locked) becomes about 2V. Cx>4pF, Rx>2.7kΩ

NTSC

4 Multiplier

Cx

6p

Rx

4.3k

PAL

4 Multiplier

5p

3.3k

-2-

Ver.2004-02-17

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