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CMX018D6

UHF FM/FSK Receiver

MX-COM Inc  

DATA BULLETIN

CMX018 UHF FM/FSK Receiver

Features

• 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)

• Temperature Compensated RSSI

• 28-Pin SSOP Package

ADVANCE INFORMATION

Applications

• High Performance Analog/Digital

Radio Links (860-965MHz)

• General ISM 915MHz Band

• Analog/Digital Cordless Phones

• Spread Spectrum Receivers

• Analog FM Receivers

• Handheld Data Terminals

• SO-HO Wireless Data Links

GAINSEL

TANK

OSCOUT OSCBA OSCEM

BUFFERED

OSCILLATOR

OUTPUT

1ST DOWN

CONVERTER

VCO

2ND DOWN

CONVERTER

50W

50W

LNAIN

LNA

50W

100W

100W

430W

ENABLE

BANDGAP

& BIAS

CONTROL

RSSI

IF LIMITING

AMPLIFIER

FM/FSK

DISCRIMINATOR

430W

DETOUT

LNADEC LNAOUT MIX1IN

MIX1OUT MIX2IN

MIX2OUT LIMIN

LIMDEC1 LIMDEC2

LIMOUT

QUADIN

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.

The CMX018 operates from a 2.7V to 3.3V power supply and is available in the following package style:

28-pin SSOP (CMX018D6).

©1999 MX-COM, Inc.

www.mxcom.com Tel: 800 638 5577 336 744 5050 Fax: 336 744 5054

Doc. # 20480194.003

4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA

All trademarks and service marks are held by their respective companies.

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