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NJM2551 Datasheet 100MHz Input Mixer and 450MHz FM/AM IF Demodulator IC

Manufacturer: New Japan Radio

Overview: www.DataSheet4U.com Page 370 100MHz Input Mixer & 450kHz FM/AM IF Demodulator IC „.

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General Description

„ PACKAGE OUTLINE The NJM2551 is a FM IF demodulator IC with 450MHz (standard) IF input, which operates from 1.8V supply.

It includes an oscillator, mixer, limiting amplifier, and FM/AM detectors.

NJM2551V „ BLOCK DIAGRAM MIX IN 20 V+ 19 AM AGC RF AGC RSSI OUT OUT IN 18 17 16 AM SW 15 AM AF OUT 14 AM DET AMP OUT 13 AMP IN 12 FM AF OUT 11 r de ent n U pm lo ve e D NJM2551 „

Key Features

  • S z Low Operating Voltage 1.8V to 9.0V z Low Operating Current FM2.5mA at V+=2V AM4.0mA at V+=2V z Operating Frequency Up to 100MHz (reference value) z IF Input Frequency 450kHz (standard) z Bipolar Technology z Package Outline SSOP20 + AMP RSSI MIXER OSC AMP AGC AM AMP FM AMP FM DET 1 OSC (B) 2 OSC (E) 3 MIX OUT 4 GND 5 AM IF IN 6 AM DEC 7 FM IF IN 8 FM DEC 9 FM IF OUT 10 QUAD IN May 10,2004 NJR Corporation ver1.

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