MRFIC1854A

Order this document by MRFIC1854A/D Advance Information 1.9 GHz CDMA Upmixer/Exciter The MRFIC1854A is an integrated upmixer and exciter amplifier designed specifically for PCS CDMA digital cellular radios. The exciter amplifier incorporates a temperature compensated linear gain control and selectable bias to reduce power consumption. The design utilizes Motorola’s RF BiCMOS1 process to yield superior performance in a cost effective monolithic device. MRFIC1854A 1.9 GHz CDMA UPMIXER/EXCITER SEMICONDUCTOR TECHNICAL DATA Total Supply Current CDMA Mode = 55 mA Typical 65 dB Dynamic Range Gain Control Upmixer Output IP3 = 6.0 dBm Typical Exciter Output IP3 = 22 dBm Typical Supply Voltage Range = 2.7 to 3.6 V Adjacent Channel Power (ACPR) @ 1.25 MHz Offset (Pout = 3.0 dBm) = –58 dBc Typical 1 (Scale 2:1) 20 PLASTIC PACKAGE CASE 948M (TSSOP–20EP, Tape & Reel Only) PIN CONNECTIONS IF In+ Enable1 LO In 1 2 3 4 5 6 7 8 9 20 IF In– 19 VCC4 18 RF Out+ 17 RF Out– 16 Gnd 15 Gnd 14 Gnd 13 Exciter In 12 VCC2 11 Enable2 (Top View) Simplified Block Diagram IF Vcntrl LO Bias Select IF Vcntrl VCC3 Gnd LO Buffer IF In+ IF In– Exciter Out RF Out+ RF Out– Exciter In VCC1 RF Vcntrl Exciter Out 10 Bias Gain Control ORDERING INFORMATION Bias Select RF Vcntrl Device This device contains 305 active transistors. Operating Temp Range Package MRFIC1854AR2 TA = –40 to 85°C TSSOP–20EP © Motorola, Inc. 2000 This document contains information on a new product. Specifications an...