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    • 2. 发明授权
    • Power amplifier with harmonically trapped heterojunction bipolar
transistor
    • 功率放大器与谐波陷阱异质结双极晶体管
    • US5347229A
    • 1994-09-13
    • US990996
    • 1992-12-16
    • Charles SucklingGlenn Collinson
    • Charles SucklingGlenn Collinson
    • H03F1/32H03F3/60H03F3/217
    • H03F3/60H03F1/32
    • Power amplifier operating at a fixed frequency or a narrow bandwidth and based upon a non-linear gain element. The power amplifier includes a resonant circuit operably connected to the non-linear gain element, the circuit being resonant at a harmonic of substantially the band center frequency of the non-linear gain element and being arranged to dissipate energy resulting from harmonic generation by the non-linear gain element during signal amplification. In a particular aspect of the power amplifier, resonant circuits comprising inductor-capacitor harmonic trap circuits tuned to different harmonics are placed at both the input and the output of a gallium arsenide heterojunction bipolar transistor HBT providing the non-linear gain element.
    • 功率放大器以固定频率或窄带宽工作,并基于非线性增益元件。 功率放大器包括可操作地连接到非线性增益元件的谐振电路,该电路以基本上非线性增益元件的频带中心频率的谐波谐振,并被布置为消散由非线性增益元件产生的谐波产生的能量 信号放大期间的线性增益元件。 在功率放大器的特定方面,包括调谐到不同谐波的电感器 - 电容谐波陷波电路的谐振电路放置在提供非线性增益元件的砷化镓异质结双极晶体管HBT的输入和输出两者上。