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參數(shù)資料
| 型號： | RM805 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | LEAD FREE 8-BIT 50V SER-IN LATCHED DRV |
| 中文描述： | 功率放大器模塊，寬帶 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大小： | 226K |
| 代理商： | RM805 |
Data Sheet
2000–2002 Skyworks Solutions, Inc., All Rights Reserved.
Skyworks Solutions, Inc., Proprietary
101505D
December 6, 2002
RM805
Power Amplifier Module for Broadband
The RM805 Power Amplifier (PA) is a fully matched 28-pin surface mount module
designed for Private Mobile Radio (PMR), Wireless Local Loop (WLL), and Time
Division Multiple Access/Advanced Mobile Phone Service (TDMA/AMPS) mobile units
operating in the 806-849 MHz cellular bandwidth. Microwave Monolithic Integrated
Circuits (MMICs), comprised of Gallium Arsenide (GaAs) and CMOS, contain all active
circuitry in the module, which includes on-board bias circuitry as well as input and
interstage matching circuits. The output match is realized off-chip within the module
package to optimize efficiency and high power performance (P
3db_sat
35.8 dBm)
into a 50
load.
This device, manufactured with Skyworks’ GaAs Heterojunction Bipolar Transistor
(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.
No external supply side switch is needed as typical “off” leakage is a few
microamperes with full primary voltage supplied from the battery.
Functional Block Diagram
VREG
(1)
VD4
(28)
VD2
(22)
VD3
(8)
RF IN
(5)
RF OUT
(15)
INPUT
MATCH
INTER
STAGE
MATCH 1
INTER
STAGE
MATCH 2
OUTPUT
MATCH
CMOS
CONTROLLER
CIRCUIT
PA 1
PA 2
OUTPUT
STAGE
GaAs HBT IC
MODULE
Distinguishing Features
Low voltage positive bias supply
Good linearity
High efficiency
Dual mode operation
Large dynamic range
28-pin LCC package
(10 x 13.97 x 1.7 mm)
Power down control
Applications
PMR (806–825 MHz)
TETRA (806–825 MHz)
TDMA (824–849 MHz)
AMPS (824-849 MHz)
Wireless Local Loop
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