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HFA3767 - 130MHz CDMA/AMPS Quadrature Modulator and AGC

Overview

® HFA3767 www.DataSheet4U.com P RE L I M I N A RY Data Sheet February 1998 FN4298.3 130MHz CDMA/AMPS Quadrature Modulator and AGC The HFA3767 is a monolithic bipolar quadrature modulator with gain control for CDMA/AMPS cellular applications.

An upconverter quadrature mixer and an output gain control stage with better than 70dB of dynamic range are integrated in the design.

A local oscillator input requires low drive levels and a divide by two phase shifter with duty cycle compensation achieves excellent phase and amplitude balance properties.

Key Features

  • I/Q Amplitude and Phase Balance.
  • . 0.5dB, 2o.
  • 130MHz AGC Amplifier/Attenuator range.
  • . . . >70dB.
  • Low LO Drive Level.
  • . . . . -10dBm.
  • Power Enable/Disable Control.
  • Single Supply Battery Operation.
  • . 2.7 to 3.3V.