会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 4. 发明授权
    • Wideband doherty amplifier circuit having a constant impedance combiner
    • 具有恒定阻抗组合器的宽带小型放大器电路
    • US08339201B1
    • 2012-12-25
    • US13163388
    • 2011-06-17
    • Richard WilsonSaurabh Goel
    • Richard WilsonSaurabh Goel
    • H03F3/68
    • H03F3/604H03F1/0288H03F1/56H03F2200/318H03F2200/387H03F2200/408
    • A three way wideband Doherty amplifier circuit includes a first peaking amplifier operable to turn on at a first power level, a second peaking amplifier operable to turn on at a second power level below the first power level and a main power amplifier operable to turn on at all power levels. The main power amplifier has a high impedance load modulated state when the first and second peaking amplifiers are turned off. The three way wideband Doherty amplifier circuit further includes a constant impedance combiner connected to an output of each amplifier. The constant impedance combiner has a characteristic impedance which matches the impedance of the main amplifier in the high impedance load modulated state with or without an output matching device connecting the main amplifier output to the constant impedance combiner, as viewed from the output of the main amplifier.
    • 三路宽带Doherty放大器电路包括可操作以在第一功率电平导通的第一峰化放大器,可操作以在低于第一功率电平的第二功率电平下导通的第二峰化放大器和可操作以在 所有功率级别。 当第一和第二峰值放大器关闭时,主功率放大器具有高阻抗负载调制状态。 三路宽带Doherty放大器电路还包括连接到每个放大器的输出的恒定阻抗组合器。 恒定阻抗组合器具有与主放大器在高阻抗负载调制状态下的阻抗匹配的特性阻抗,具有或不具有将主放大器输出连接到恒定阻抗组合器的输出匹配装置,从主放大器的输出 。