HFA3767 Datasheet (Intersil Corporation) - 130MHz CDMA/AMPS Quadrature Modulator and AGC

HFA3767, 130MHz CDMA/AMPS Quadrature Modulator and AGC

PIN NUMBER 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 NAME TX_PE GND TXI+ TXINC TXQTXQ+ MIX_GND DPS_GND DPS_VCC LO_GND LO_IN CAP AGC_GND TX_IF+ TX_IFAGC_V CC GCT AGC_CTRL VCC DESCRIPTION Power enable control input.

HIGH for normal operation.

LOW for power down.

Bias and AGC control ground r

® 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 achi