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RM912-15 Datasheet

  • RM912-15

  • Amplifier. Other

  • 265.86KB

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RM912
Power Amplifier Module, 3鈥? Volts, for CDMA/AMPS
(824鈥?49 MHz)
Distinguishing Features
The RM912 dual-mode Code Division Multiple Access (CDMA)/Advanced Mobile
Phone Service (AMPS) Power Amplifier is a fully matched 6-pin surface mount
module designed for mobile units operating in the 824-849 MHz cellular bandwidth.
This device meets stringent IS95 CDMA linearity requirements to beyond 28 dBm
output power and can be driven to power output levels beyond 31 dBm for high
efficiency FM mode operation. A single GaAs Microwave Monolithic Integrated Circuit
(MMIC) contains all active circuitry in the module. The MMIC contains 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 power
performance into a 50
鈩?/div>
load. This device is manufactured with Conexant鈥檚 Gallium
Arsenide (GaAs) heterojunction bipolar transistor (HBT) process that provides for all
positive voltage DC supply operation while maintaining high efficiency and good
linearity. Primary bias to the RM912 can be supplied directly from a three cell
nickel-cadmium, single cell lithium-ion, or other suitable battery with an output in the
3-4 volt range. Power down is accomplished by setting the voltage on the low current
reference pin to zero volts. No external supply side switch is needed as typical 鈥渙ff鈥?/div>
leakage is a few microamperes with full primary voltage supplied from the battery.
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Low voltage positive bias supply
Good linearity
High efficiency
Dual mode operation
Large dynamic range
6-pin package
(6 x 6 x 1.5 mm)
Power down control
Applications
鈥?/div>
鈥?/div>
鈥?/div>
Digital cellular (CDMA)
Analog cellular (AMPS)
Wireless local loop
Functional Block Diagram
VREF
(3)
VCC1
(1)
VCC2
(4)
Driver
Stage Bias
Power
Stage Bias
RF
Input
(2)
Input
Match
DA
Inter
Stage
Match
PA
Output
Match
RF
Output
(5)
MMIC
MODULE
(6, 7)
GND
(6, 7)
GND
Data Sheet
漏 2001, Conexant Systems, Inc., All Rights Reserved.
100635J
October 2001

RM912-15相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
    版本
    描述
    廠商
    下載
  • 英文版
    CDMA/AMPS 3-4 Volt Power Amplifier (824?849 MHz)
    CONEXANT
  • 英文版
    CDMA/AMPS 3-4 Volt Power Amplifier (824?849 MHz)
    CONEXANT [...
  • 英文版
    Amplifier. Other
    ETC
  • 英文版
    Amplifier. Other

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