Freescale MD7IC2050N 10W 1880MHz宽带放大方案
Freescale 公司的MD7IC2050N是RF LDMOS宽带功率放大器,工作频率从1750到 2050 MHz,多级结构的工作电压从26V到32V,平均输出功率10W,功率增益高达30dB,片内50欧姆匹配输入,集成了ESD保护, RoHS兼容,适用于所有蜂窝基站的调制格式.本文介绍了MD7IC2050N的主要特性,方框图以及MD7IC2050NR1(GNR1)(NBR1)测试电路元件布局图和元件数值, MD7IC2050NR1(GNR1)(NBR1) 1880MHz测试电路元件布局图和元件数值表.
RF LDMOS Wideband Integrated Power Amplifiers
The MD7IC2050N wideband integrated circuit is designed with on- chip matching that makes it usable from 1750 - 2050 MHz. This multi – stage structure is rated for 26 to 32 Volt operation and covers all typical cellular base station modulation formats.
Typical Doherty Single- Carrier W-CDMA Performance: VDD = 28 Volts,
IDQ1A = IDQ1B = 30 mA, IDQ2A = 230 mA, VG2B = 1.4 Vdc, Pout = 10 Watts Avg., Channel Bandwidth = 3.84 MHz, Input Signal PAR = 9.9 dB @ 0.01% Probability on CCDF.
Capable of Handling 5:1 VSWR, @ 32 Vdc, 2017.5 MHz, 79 Watts CW Output Power (3 dB Input Overdrive from Rated Pout)
Stable into a 5:1 VSWR. All Spurs Below -60 dBc @ 20 Watts to 80 Watts CW Pout
Typical Pout @ 3 dB Compression Point _ 74 Watts CW 1880 MHz
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