RF142 Datasheet - ETC

RF142 Heterojunction Bipolar Transistor Power Amplifier Dual-Band Controller for GSM and PCS Applications

RF142 Heterojunction Bipolar Transistor Power Amplifier Dual-Band Controller for GSM and PCS Applications The RF142 Power Amplifier (PA) controller is a highly integrated, monolithic device optimized for use in 900 MHz, 1800 MHz, and 1900 MHz Global System For Mobile communications® (GSM®) and other Time Division Multiple Access (TDMA) applications. The control current output from the RF142 can be used to control the transmit power of a dual or multi-band Heterojunction Bipolar Transistor (HBT) .

RF142 Features

* RF PA controller for use with HBT PAs

* 50 dB detector dynamic range

* Broadband, logarithmic power detector (800 MHz to 2000 MHz)

* Logarithmic RF power detector requires no external diodes

* Integrator and gain shaping block enhance loop stability and line

RF142_ETC.pdf