Datasheet > CX77107

CX77107

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
思佳讯 - SKYWORKS		过程控制系统 PCS
页数	文件大小	规格书
14页	294K
描述
PA Module for CDMA / PCS (1850-1910 MHz)

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CX77107 数据手册

DATA SHEET

CX77107: PA Module for CDMA / PCS (1850–1910 MHz)

Applications

• Personal Communications

Services (PCS)

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.

• Wireless local loop (WLL)

Features

• Low voltage positive supply

- 3.2 V to 4.2 V

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 Ω 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.

• 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

Figure 1. Functional Block Diagram

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

101782D • Skyworks Proprietary Information. • Products and product information are subject to change without notice. • December 8, 2004

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