PRODUCT SUMMARY
CX77106
Power Amplifier Module for CDMA / PCS (1750鈥?805 MHz)
The CX77106 Power Amplifier Module (PAM) is a fully matched 10-pin surface
mount module developed for Personal Communications Service (PCS) and Wireless
Local Loop (WLL) applications. This small and efficient power amplifier packs full
1750鈥?805 MHz bandwidth coverage into a single compact package. The CX77106
meets the stringent spectral linearity requirements of Code Division Multiple Access
(CDMA) PCS transmission with high power added efficiency for power output of up
to 28 dBm. A low current pin (V
CONT
) is provided to improve efficiency for the low RF
power range of operation.
The single Gallium Arsenide (GaAs), Microwave Monolithic Integrated Circuit (MMIC)
contains all active circuitry for the module. The MMIC contains on-board bias
circuitry, as well as input and interstage matching circuits. Output match is realized
off-chip within the module package to optimize efficiency and power performance
into a 50
鈩?/div>
load. Manufactured with Skyworks鈥?GaAs Heterojunction Bipolar
Transistor (HBT) process, this device provides for all positive voltage DC supply
operation while maintaining high efficiency and good linearity. Primary bias to the
CX77106 is supplied directly from a three-cell nickel cadmium, a single-cell lithium
ion, or other suitable battery with an output in the 3 to 4 volt range. Power down is
executed 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?leakage is a few microamperes
with full primary voltage supplied from the battery.
Distinguishing Features
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Low voltage positive bias supply
(3 to 4 Volts)
Good linearity
High efficiency
Large dynamic range
10-pin package (4 x 4 x 1.5 mm)
Power down control
Low power-state control
InGaP
IS95/CDMA2000
Full Korean PCS coverage
TD-SCDMA
Applications
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Personal Communications
Services (PCS) 1750鈥?780 MHz
Wireless Local Loop (WLL)
Functional Block Diagram
VREF
(5)
VCC1
(1)
VCONT
(4)
VCC2
(10)
Driver
Stage Bias
Power
Stage Bias
RF IN (2)
Input
Match
DA
Inter
Stage
Match
PA
Output
Match
(8) RF OUT
MMIC
MODULE
(3, 6, 7, 9)
GND
(3, 6, 7, 9)
GND
漏 2001, 2002 Skyworks Solutions, Inc., All Rights Reserved.
101862A
November 6, 2002
CX77106相關(guān)型號(hào)PDF文件下載
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