CMX018

CMX018 UHF FM/FSK Receiver D/018/3 April 1999 Advance Information Features Applications Double Conversion Super-Heterodyne Receiver and FM/FSK Demodulator LNA with Switched Gain High Performance UHF Down-Converter Stage with Integrated VCO 2.7V Operation Zero-Power Mode (<10µA) 28-Pin SSOP Package Temperature Compensated RSSI High Performance Analogue/Digital Radio Links (860-965MHz) General ISM 915MHz Band Analogue/Digital Cordless Phones Spread Spectrum Receivers Analogue FM Receivers Handheld Data Terminals So-Ho Wireless Data Links GAINSEL TANK OSCOUT OSCBA OSCEM ENABLE RSSI BUFFERED OSCILLATOR OUTPUT BANDGAP & BIAS CONTROL 2nd DOWN CONVERTER 1st DOWN CONVERTER LNAIN 50Ω 50Ω VCO IF LIMITING AMPLIFIER FM/FSK DISCRIMINATOR LNA DETOUT 50Ω 100Ω 100Ω 430Ω 430Ω LNADEC LNAOUT MIX1IN MIX1OUT MIX2IN MIX2OUT LIMIN LIMDEC1 LIMDEC2 LIMOUT QUADIN 1.1 Brief Description The CMX018 is a single chip UHF FM/FSK double-conversion super-heterodyne receiver. It combines a dual gain mode Low Noise Amplifier (LNA), two down-converters (including integrated oscillators), limiting amplifier, RSSI, FM/FSK demodulator and zero-power mode control. The CMX018 can be used in conjunction with the CMX017, an integrated FM/FSK modulator and transmitter, to implement a complete UHF radio link. www.DataSheet4U.com CONTENTS Section Page 1.0 Features and Applications ............................................................................ ...