CAJ | 학술논문

设计了一款470510 MHz波段的功率放大器电路，给出了功率放大器的设计方法和过程，使用负反馈技术提高电路的稳定性并改善了电路部分性能，采用集总元件及微带传输线混合方式实现了电路匹配。使用ADS对电路进行了仿真，对电路加工后进行测试，测试结果表明增益大于11.2 dB，二次谐波抑制能力优于-24 dB，P1dB输出功率大于11 dBm，测试结果与仿真结果接近。
설계료일관470510 MHz파단적공솔방대기전로，급출료공솔방대기적설계방법화과정，사용부반궤기술제고전로적은정성병개선료전로부분성능，채용집총원건급미대전수선혼합방식실현료전로필배。사용ADS대전로진행료방진，대전로가공후진행측시，측시결과표명증익대우11.2 dB，이차해파억제능력우우-24 dB，P1dB수출공솔대우11 dBm，측시결과여방진결과접근。
A power amplifier at frequency of 470~510MHz is designed in this paper , and the design method and process are given .By using negative feedback technology , we improve the stability and some other performances of the circuit .Lumped element and micro strip to achieve matching network are adopted in the design.The power amplifier circuit is simulated with ADS ( advanced design system ) software. After processing, we measured performances of the circuit , the results show that power gain is more than 11.2dB, second harmonic suppression is more than 24dB, and output power is more than 11dBm at 1dB compression. Measuring results are close to simulation results .