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| 型号： | CX77107-14P |
| 厂商： | SKYWORKS SOLUTIONS INC |
| 元件分类： | 无绳电话/电话 |
| 英文描述： | PA Module for CDMA / PCS (1850-1910 MHz) |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, DSO10 |
| 封装： | 4 X 4 MM, 1.50 MM, MODULE, 10 PIN |
| 文件页数： | 1/15页 |
| 文件大小： | 1168K |
| 代理商： | CX77107-14P |
Skyworks Solutions, Inc. Phone [781] 376-3000 Fax [781] 376-3100 sales@skyworksinc.com www.skyworksinc.com
101782E Skyworks Proprietary Information. Products and product information are subject to change without notice. March 3, 2005
1
DATA SHEET
CX77107 PA Module for CDMA / PCS (1850–1910 MHz)
Applications
Personal Communications
Services (PCS)
Wireless local loop (WLL)
Features
Low voltage positive supply
-
3.2 V to 4.2 V
Good linearity
High efficiency
Large dynamic range
10-pin package
-
4 mm x 4 mm x 1.5 mm
Power down control
Low power-state control
InGaP
IS95/CDMA2000
Full U.S. PCS coverage
The CX77107 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 1850–1910 MHz bandwidth coverage into a single
compact package. The CX77107 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 (VCONT) pin 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 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
load. This device is manufactured with Skyworks’
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 CX77107 is
supplied directly from a three-cell Ni-Cd, a single-cell Li-Ion, or other suitable battery with an output
in the 3 to 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 “off” leakage is a few
microamperes with full primary voltage supplied from the battery.
Figure 1. Functional Block Diagram
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