Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Patent
1996-05-01
1998-09-01
Urban, Edward F.
Telecommunications
Receiver or analog modulated signal frequency converter
With particular receiver circuit
455341, 330306, 330310, H04B 116
Patent
active
058024646
ABSTRACT:
The receiver includes a ceramic filter which is connected to the output side of a mixer circuit for limiting a band, an intermediate frequency amplifying circuit cascade connected to the output side of the ceramic filter in a plurality of intermediate frequency amplifying stages, and a plurality of passive band-pass filters connected between the respective intermediate frequency amplifying stages of the intermediate frequency amplifying circuit. Thereby, the receiver is able to reduce the size and costs thereof.
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Rizzi, Microwave Engineering--Passive Circuits, 1988 pp. 291-295, 462-463.
Rohm & Co., Ltd.
Urban Edward F.
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