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FEATURES Fully Compliant with IS98A and PCS Specifications Linear IF Amplifier –63 dB to +34 dB Linear-in-dB Gain Control Temperature-Compensated Gain Control Quadrature Modulator Modulates IFs from 50 MHz to 350 MHz Integral Low Dropout
Regulator Accepts 2.
9 V to 4.
2 V Input from Battery Low Power 10.
4 mA at Midgain 10 A Sleep Mode Operation Companion Receiver IF Chip Available (AD6121) APPLICATIONS CDMA, W-CDMA, AMPS and TACS Operation QPSK Transmitters GENERAL DESCRIPTION
CDMA 3 V Transmitter IF Subsystem with Integrated Voltage
Regulator AD6122
range IF amplifiers with voltage-controlled gain and a powerdown control input.
An integral low dropout
regulator allows operation from bat...