High-frequency amplifier

Amplifiers – With semiconductor amplifying device – Including field effect transistor

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Details

330306, H03F 316, H03F 3191

Patent

active

061218405

ABSTRACT:
Input matching is achieved for a high-frequency range having a center frequency of 0.8 GHz by a capacitor and a coil in an input matching circuit, and input matching is achieved for a high-frequency range having a center frequency of 1.9 GHz by another coil in the input matching circuit. Output matching is achieved for a high-frequency range having a center frequency of 0.8 GHz by a capacitor and a coil in an output matching circuit, and output matching is achieved for a high-frequency range having a center frequency of 1.9 GHz by another coil in the output matching circuit.

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patent: 5491450 (1996-02-01), Helms et al.
patent: 5532650 (1996-07-01), Igarashi
patent: 5757235 (1998-05-01), Fujiwara et al.
patent: 5809408 (1998-09-01), Fujimoto et al.

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