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SKY77182

更新时间： 2024-02-10 21:44:04
品牌 Logo 应用领域
思佳讯 - SKYWORKS 射频和微波射频放大器微波放大器功率放大器
页数 文件大小 规格书
11页 306K
描述
Power Amplifier Module for WCDMA / HSDPA (1920-1980MHz)

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SKY77182 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：ActiveReach Compliance Code：unknown
风险等级：5.72Is Samacsys：N
特性阻抗：50 Ω构造：COMPONENT
增益：24 dB最大输入功率 (CW)：8 dBm
最大工作频率：1980 MHz最小工作频率：1920 MHz
最高工作温度：85 °C最低工作温度：-20 °C
射频/微波设备类型：NARROW BAND MEDIUM POWER最大电压驻波比：2
Base Number Matches：1

SKY77182 数据手册

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DATA SHEET  
SKY77182 Power Amplifier Module for WCDMA / HSDPA  
(1920–1980 MHz)  
Applications  
Description  
• WCDMA Handsets  
The SKY77182 Power Amplifier module is a fully matched 8-pad surface mount module developed for  
Wideband Code Division Multiple Access (WCDMA) applications. This small and efficient power  
amplifier packs full coverage of the 1920–1980 MHz bandwidth into a single compact package. The  
SKY77182 meets the stringent spectral linearity requirements of HSDPA (High Speed Downlink Packet  
Access) data transmission with high power added efficiency for power output of up to 28 dBm.  
Because of high efficiencies attained throughout the entire power range, the SKY77182 delivers  
unsurpassed talk-time advantages.  
• HSDPA Handsets  
• Personal Communications  
Services (PCS)  
• Wireless local loop (WLL)  
Features  
• No VREF required  
The single Gallium Arsenide (GaAs) Microwave Monolithic Integrated Circuit (MMIC) contains all active  
circuitry in the module. The MMIC includes 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 SKY77182 is  
supplied directly from a three-cell Ni-Cd, a single-cell Li-Ion, or other suitable battery with an output  
in the 3.1 to 4.6 volt range. No VREF voltage is required. Power down is accomplished by setting the  
voltage on VENABLE to zero volts. Digital bias control can be used to optimize efficiency at high and low  
power or analog bias control can be used to optimize efficiency over the entire power range. No  
external supply side switch is needed as typical “off” leakage is a few microamperes with full primary  
voltage supplied from the battery.  
• Low voltage positive bias  
- 3.1 V to 4.6 V  
• Supports low collector  
voltage operation  
• Good linearity  
• High efficiency at all power  
levels (17% at 15 dBm)  
• Large dynamic range  
• Low Profile package  
- 3 mm x 3 mm x 0.9 mm  
• 8-pad configuration  
• Power down control  
• InGaP  
MODULE  
• Digital VENABLE  
MMIC  
VCC (5)  
• Digital or Analog VCONTROL  
INTER-  
STAGE  
MATCH  
INPUT  
MATCH  
OUTPUT  
MATCH  
PA  
DA  
(6) RF_OUT  
RF_IN (3)  
VEN (1)  
VCONT (2)  
VBIAS (4)  
BIAS and GAIN CONTROL CIRCUIT  
GND (7, 8)  
200850_001  
Figure 1. SKY77182 Functional Block Diagram  
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com  
200850A • Skyworks Proprietary and Confidential Information. • Products and product Information are subject to change without notice. • February 14, 2008  
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