Datasheet > SKY77418

SKY77418

更新时间： 2024-11-18 06:11:55

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
2页	45K
描述
LIPA Module for CDMA / PCS (1850-1910 MHz)

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ADVANCE PRODUCT SUMMARY

SKY77418: LIPA^®Module for CDMA / PCS (1850–1910 MHz)

Applications

Description

• Personal Communications

Services (PCS)

The SKY77418 Load Insensitive Power Amplifier (LIPA™) module is a fully matched 16-pad surface

mount module developed for Code Division Multiple Access (CDMA) applications. This small and

efficient power amplifier packs full coverage of the 1850–1910 MHz bandwidth into a single compact

package.

• Wireless local loop (WLL)

Features

• Low voltage positive bias

- 3.2 V to 4.2 V

Because of high efficiencies attained throughout the entire power range, the SKY77418 delivers

unsurpassed talk-time advantages. In addition, Skywork’s patented LIPA technology ensures that the

stringent linearity requirements are met, even with a load mismatch of 4:1.

• Low V^REF

- 2.85 V, nominal

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’

InGaP 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 SKY77418 is

supplied directly from a three-cell Ni-Cd, a single-cell Li-Ion, or other suitable battery with an output

in the 3.2 to 4.2 volt range. Power down is accomplished by setting the voltage on the low current

reference pad 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.

• Supports low collector

voltage operation

• Good linearity

• High efficiency at all power

levels

- 20% at 16 dBm

• Large dynamic range

• 16-pad package

- 4 x 4 x 1.5 mm

• Power down control

• InGaP

• Digital V^ENABLE

VMODE (1)

VENABLE (2)

VREF (5)

MODULE

MMIC

Skyworks offers lead

(Pb)-free "environmentally

friendly" packaging

that is RoHS compliant

(European Parliament

for the Restriction of

Hazardous Substances).

Bias and Temperature

Compensation Circuit

VBIAS (6)

Output

Match

Inter-Stage

Match

Input

Match

RF IN (3)

(11) RF OUT

VCC1 (7, 15)

VCC2 (9, 13)

GND (4, 8,

10, 12, 14)

200544_001

Figure 1. Functional Block Diagram

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

200544P1 • Skyworks Proprietary and Confidential Information. • Products and product Information are subject to change without notice. • May 17, 2006

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SKY77446	SKYWORKS	获取价格	RF and Baseband Circuit, 4 X 3 MM, 0.90 MM HEIGHT, GREEN, PACKAGE-10
SKY77447	SKYWORKS	获取价格	RF and Baseband Circuit, 4 X 3 MM, 0.90 MM HEIGHT, GREEN, PACKAGE-10
SKY77448	SKYWORKS	获取价格	RF and Baseband Circuit, 4 X 3 MM, 0.90 MM HEIGHT, GREEN, PACKAGE-10
SKY77449	SKYWORKS	获取价格	Power Amplifier Module for LTE / EUTRAN Bands XIII / XIV
SKY77453	SKYWORKS	获取价格	Power Amplifier Module for LTE / EUTRAN Bands XII / XVII
SKY77455	SKYWORKS	获取价格	Front-End Module for LTE / EUTRAN Band I (Tx 1920-1980 MHz), (Rx 2110-2170 MHz)
SKY77456	SKYWORKS	获取价格	Front-End Module for LTE / EUTRAN Band IV / X (Tx 1710-1770 MHz), (Rx 2110-2170 MHz)
SKY77457	SKYWORKS	获取价格	Front-End Module for LTE / EUTRAN Band V (Tx 824-849 MHz), (Rx 869-894 MHz)

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