RM805 Datasheet, PDF (1/10 Pages) List of Unclassifed Manufacturers – POWER AMPLIFIER MODULE FOR BROADBAND

RM805
Power Amplifier Module for Broadband
The RM805 Power Amplifier (PA) is a fully matched 28-pin surface mount module Distinguishing Features
designed for Private Mobile Radio (PMR), Wireless Local Loop (WLL), and Time
• Low voltage positive bias supply
Division Multiple Access/Advanced Mobile Phone Service (TDMA/AMPS) mobile units _{• Good linearity}
operating in the 806-849 MHz cellular bandwidth. Microwave Monolithic Integrated _{• High efficiency}
Circuits (MMICs), comprised of Gallium Arsenide (GaAs) and CMOS, contain all active _{• Dual mode operation}
circuitry in the module, which includes on-board bias circuitry as well as input and _{• Large dynamic range}
interstage matching circuits. The output match is realized off-chip within the module _{• 28-pin LCC package}
package to optimize efficiency and high power performance (P_{3db_sat} ≅ 35.8 dBm)
(10 x 13.97 x 1.7 mm)
into a 50 Ω load.
• Power down control
This device, manufactured with Skyworks’ GaAs Heterojunction Bipolar Transistor _Applications
(HBT) and silicon CMOS processes, provides for all positive voltage DC supply
operation while maintaining high efficiency and good linearity. Primary bias to the
RM805 can be supplied directly from a single cell lithium-ion or other suitable battery
with a nominal output 3.5 Volts.
•
•
•
•
PMR (806–825 MHz)
TETRA (806–825 MHz)
TDMA (824–849 MHz)
AMPS (824-849 MHz)
No external supply side switch is needed as typical “off” leakage is a few
• Wireless Local Loop
microamperes with full primary voltage supplied from the battery.
Functional Block Diagram
VD4
VD3
VD2
(28)
(8)
(22)
VREG
(1)
CMOS
CONTROLLER
CIRCUIT
RF IN
(5)
INPUT
MATCH
PA 1
INTER
STAGE
MATCH 1
GaAs HBT IC
PA 2
INTER
STAGE
MATCH 2
OUTPUT
MATCH
OUTPUT
STAGE
MODULE
RF OUT
(15)
Data Sheet
Skyworks Solutions, Inc., Proprietary
© 2000–2002 Skyworks Solutions, Inc., All Rights Reserved.
101505D
December 6, 2002