Datasheet > SKY77161

SKY77161

更新时间： 2022-12-14 18:27:01

品牌	Logo	应用领域
思佳讯 - SKYWORKS		/
页数	文件大小	规格书
2页	83K
描述
PA Module for TD-SCDMA (2010-2025 MHz)

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PRODUCT SUMMARY

SKY77161: PA Module for TD-SCDMA (2010-2025 MHz)

The SKY77161 Power Amplifier Module (PAM) is a fully matched, 10-pin, surface mount

module developed for Time Division Synchronous Code Division Multiple Access

(TD-SCDMA) applications. Skyworks’ SKY77161 also supports TD-SCDMA multi-slot

Applications

• TD-SCDMA handsets

operation.

Features

This small and efficient module packs full 2010-2025 MHz bandwidth coverage into a single

compact package. The PAM meets the stringent spectral linearity requirements of TD-

SCDMA 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.

• Low voltage positive bias supply

- 3.2 V to 4.2 V

• Low V^REF

- 2.85 V, nominal

A single Gallium Arsenide (GaAs) Microwave Monolithic Integrated Circuit (MMIC) contains all

active circuitry in the module such as on-board bias circuit and 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.

• Supports low collector voltage

operation

• Good linearity

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 SKY77161 is supplied directly from a

three-cell Ni-Cad, a single cell Li-Ion, or other suitable batteries with outputs in the 3.2 to

4.2 volt range.

• 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

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

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

103239P1 • Skyworks Proprietary and Confidential information. • Products and product information are subject to change without notice. • March 3, 2004

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