CAJ | 학술논문

PIN二极管电子开关广泛应用于天线的收发转换，完成射频信号的通道切换。由于非线性特性，其在大动态及多音信号输入时会产生互调失真。论文介绍了PIN二极管的开关应用，设计了一款工作在100M Hz～400M Hz的高性能收发开关，根据实际使用中出现的问题分析了PIN管的非线性产生的原因，测试了单串、双串、单并、双并、反串联等开关电路的互调失真情况并进行分析，改进了宽带开关设计中存在的问题，最后对降低PIN管电子开关的非线性失真技术进行了讨论。
PIN이겁관전자개관엄범응용우천선적수발전환，완성사빈신호적통도절환。유우비선성특성，기재대동태급다음신호수입시회산생호조실진。논문개소료PIN이겁관적개관응용，설계료일관공작재100M Hz～400M Hz적고성능수발개관，근거실제사용중출현적문제분석료PIN관적비선성산생적원인，측시료단천、쌍천、단병、쌍병、반천련등개관전로적호조실진정황병진행분석，개진료관대개관설계중존재적문제，최후대강저PIN관전자개관적비선성실진기술진행료토론。
PIN diode electronic switch is widely used in the antenna duplexer and RF channel switching .Due to the nonlinear characteristics ,the switch will produce intermodulation distortion when it works in wide dynamic range or multi-tone signal is input .PIN diode switch applications has been introduced in this paper ,the causes of the PIN diode's nonlinear-ity are analyzed .The intermodulation distortion of switch circuits in different topological structures such as single series , double series ,back-to-back series ,single parallel and double parallel are tested and analyzed .The problems that exist in the broadband switch design are improved ,and the technology of reducing the nonlinear distortion of PIN diode electronic switch are discussed .