NJM2259 datasheet(1/7 Pages) NJRC | RF Modulator for UHF Band

Part Name

Description

NJM2259

RF Modulator for UHF Band ( 7 Page)

NJRC

1 page

NJM2259

- 1 -

RF Modulator for UHF Band

DESCRIPTION

The NJM2259 is a RF modulator IC especially designed for UHF

band RF modulator and consists of video clamp circuit, white clip

circuit, video AM modulator and audio FM modulator, built into one

chip.

FEATURES

• Operating Voltage 5V

• Picture-to-sound ratio is adjustable

• Audio ripple is decreased by two internal regulators

• Audio input circuit with low shock noise

• Carrier-off switch function on chip

• Bipolar Technology

• Package Outline : DMP16

BLOCK DIAGRAM

PACKAGE OUTLINE

NJM2259M

LPF

REGULATOR

VIDEO

CLAMP

WHITE

CLIP

RF OSCILLATOR

REGULATOR

MIXER

AUDIO

SUBCARRIER

MODULATOR

1 2 3 4 5 6 7

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