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FEED FORWARD AMPLIFIER WITH DIGITAL INTERMODULATION CONTROL
FEED FORWARD AMPLIFIER WITH DIGITAL INTERMODULATION CONTROL
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机译:带数字互调控制的前馈放大器
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摘要
The feedforward amplifier with digital intermodulation control 214 function includes up-converter 219, feed forward amplifier 150, down-converter 230, and digital complementary modulation controller 214. The up-converter 219 receives the first digital input 218 and generates an analog composite signal 140 and a reference frequency signal 221. Feed forward amplifier 150 receives analog composite signal 140 and generates amplified analog composite signal 147 and amplified analog composite signal sample 126. [ Converter 230 mixes the amplified analog composite signal 126 in the mixer 126 with a reference frequency signal 221 to generate a conditioned amplified analog composite sample 128 that is an analog-Converter 215 to a second digital input 226. The digital intermodulation controller receives the first and second digital inputs 218 and 226 and generates phase and gain adjuster inputs 224 and 225 for adjusting the feedforward amplifier 150 accordingly.
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