CX77106 [ETC]
CX77106 Product Summary|PA Modules for CDMA Handsets ; CX77106产品简介| PA模块的CDMA手机\n
| 型号： | CX77106 |
| 厂家： | 
ETC |
| 描述： | CX77106 Product Summary|PA Modules for CDMA Handsets
|
| 文件： | 总2页 (文件大小：404K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PRODUCT SUMMARY
CX77106
Power Amplifier Module for CDMA / PCS (1750–1805 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
1750–1805 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 (VCONT) is provided to improve efficiency for the low RF
power range of operation.
Distinguishing Features
•
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
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 Ω load. Manufactured with Skyworks’ 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 “off” leakage is a few microamperes
with full primary voltage supplied from the battery.
Applications
•
Personal Communications
Services (PCS) 1750–1780 MHz
•
Wireless Local Loop (WLL)
Functional Block Diagram
VCONT
(4)
VCC2
(10)
VREF
(5)
VCC1
(1)
Driver
Powweerr
Stagee BBiiaass
Stage Biaass
Inter
Stage
Match
Inppuutt
Matcch
Output
Match
(8) RF OUT
RF IN (2)
DA
PA
MMIC
MODULE
(3, 6, 7, 9)
GND
(3, 6, 7, 9)
GND
101862A
November 6, 2002
© 2001, 2002 Skyworks Solutions, Inc., All Rights Reserved.
© 2001, 2002, Skyworks Solutions, Inc. All Rights Reserved.
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General Information:
Skyworks Solutions, Inc.
4311 Jamboree Rd.
Newport Beach, CA. 92660-3007
www.skyworksinc.com
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