Datasheet Summary
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Page 370
100MHz Input Mixer & 450kHz FM/AM IF Demodulator IC
- 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
- Features 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...