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CMX991 - RF Quadrature Transmitter and RF Quadrature/Low IF Receiver

Description

The CMX991 is a single-chip, high performance, RF transceiver that provides the core functions required to implement a full-featured radio transmitter and receiver.

It operates from 100MHz to 1GHz and its I/Q architecture supports multiple modulation types and bandwidths with a single radio design.

Features

  • Rx (CMX991 and CMX992) o RF mixer with output select o 1st IF input select o Selectable low IF outputs (450kHz/455kHz) o 1st IF Variable Gain Amplifier (VGA) o 1st IF Signal Level Indicator (SLI) o Two-mode demodulator o I/Q Zero-IF with differential outputs.
  • Tx (CMX991 only) o I/Q modulator to IF o Image-reject up-converter o IF and RF outputs.
  • IF (CMX991 and CMX992) o IF LO synthesiser o IF VCO negative resistance amplifier.
  • 3.3V low power operation.

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Datasheet Details

Part number CMX991
Manufacturer Consumer Microcircuits Limited
File Size 2.51 MB
Description RF Quadrature Transmitter and RF Quadrature/Low IF Receiver
Datasheet download datasheet CMX991 Datasheet

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CMX992 RF Quadrature Transmitter and RF Quadrature/Low IF Receiver
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Full PDF Text Transcription

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CMX991/CMX992 CML Microcircuits RF Quadrature Transmitter and COMMUNICATION SEMICONDUCTORS RF Quadrature/Low IF Receiver D/991_992/22 May 2017 Provisional Issue This document describes two separate, high performance, RF ICs covering the range: 100MHz1 to 1GHz. The CMX991 is an RF Quadrature Transceiver and the CMX992 is an RF Quadrature Receiver. Features  Rx (CMX991 and CMX992) o RF mixer with output select o 1st IF input select o Selectable low IF outputs (450kHz/455kHz) o 1st IF Variable Gain Amplifier (VGA) o 1st IF Signal Level Indicator (SLI) o Two-mode demodulator o I/Q Zero-IF with differential outputs  Tx (CMX991 only) o I/Q modulator to IF o Image-reject up-converter o IF and RF outputs  IF (CMX991 and CMX992) o IF LO synthesiser o IF VCO negative resistance amplifier  3.
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