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AD6121 Datasheet CDMA 3 V Receiver IF Subsystem with Integrated Voltage Regulator

Manufacturer: Analog Devices

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General Description

The AD6121 is a low power receiver IF subsystem specifically designed for CDMA applications.

It consists of high dynamic range IF amplifiers with voltage controlled gain, a divide-by-two quadrature generator, an I and Q demodulator, and a powerdown control input.

An integral low dropout regulator allows operation from battery voltages from 2.9 V to 4.2 V.

Overview

a.

Key Features

  • Fully Compliant with IS98A and PCS Specifications CDMA, W-CDMA, AMPS, and TACS Operation Linear IF Amplifier 5.9 dB Noise Figure.
  • 47.5 dB to +47 dB Linear-in-dB Gain Control Quadrature Demodulator Demodulates IFs from 50 MHz to 350 MHz Integral Low Dropout Regulator 200 mV Voltage Drop Accepts 2.9 V to 4.2 V Input from Battery Low Power 10 mA at Midgain.

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