www.
DataSheet4U.
com
RM009
Power Amplifier Module for Dual-band GSM900 DCS1800
The RM009 is a dual-band Power Amplifier Module (PAM) designed in a compact Distinguishing Features form factor for Class 4 GSM900 and Class 1 DCS1800 cellular handsets.
• High efficiency
GSM 54% DCS 45% Input/output matching 50 Ω internal Small outline 9.
1 mm x 11.
6 mm Low profile 1.
50 mm ±10% Low APC current 60 µA
The module consists a GSM900 PA block and a DCS1800 PA block, matching circuitry for 50 Ω input and output impedances, and bias control circuitry.
Two separate Heterojunction Bipolar
Transistor (HBT) PA blocks are fabricated on a single Gallium Arsenide (GaAs) die.
One PA block operates in the GSM900 ...