NJM2292 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJM2292

NARROW BAND FM IF IC

Japan Radio Corporation  

■ TERMINAL FUNCTION (V+=2.4V)

PIN NO.

SYMBOL

PIN VOL-

TAGE(typ.)

FUNCTION

These terminals are connected with a

crystal resonator to construct a colpitts

1

OSC IN

2.4V circuit.

NJM2292

EQUIVALENT CIRCUIT

2

OSC OUT

1.7V

3

NC

No connection.

Amixer output.

4

MIX OUT

1.47V

5

V+

2.4V Supply voltage

A limiter input and decoupling terminals.

6

LIM IN

1.59V The 7 and 8 pins are connected with

about 100µF capacitors.

(ESD protection diodes are connected

internally with each terminal.)

7

DEC1

1.59V

8

DEC2

1.59V

A limiter output

9

LIM OUT

-

Ver.2003-12-09

-3-

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