Isolating high-frequency tuned amplifier

Application Number: 00107441
Application Date: 2000.05.15
Publication Number: 1274988
Publication Date: 2000.11.29
Priority Information: 1999/5/21 JP 142070/99
International: H03F1/44
Applicant(s) Name: ALPS Electric Co., Ltd.
Address:
Inventor(s) Name: Nakano Kazuhaku;Nomi Koki
Patent Agency Code: 11216
Patent Agent: liu jiyang
Abstract The high frequency tuning amplifier for buffer has a tuning circuit consisting of a serial circuit of the first and second inductors connected between the output of transistor amplifying stage and the power source, a first capacitor connected in parallel to the serial circuit of first and second inductors, a serial circuit of the second and third capacitors connected in parallel to the second inductor and a switching element to which a band switch voltage is supplied, connected between the connecting point of the second and third capacitors and the reference voltage point.

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