Telecommunications – Receiver or analog modulated signal frequency converter – With particular receiver circuit
Patent
1978-12-14
1980-06-10
Bookbinder, Marc E.
Telecommunications
Receiver or analog modulated signal frequency converter
With particular receiver circuit
H04B 106
Patent
active
042075327
ABSTRACT:
A frequency translating circuit such as an intermediate frequency circuit comprises a wide band transformer having a two-terminal secondary and first and second frequency passing filters coupled respectively to one and the other of the secondary terminals. Each of the filters is arranged to pass a different subband of frequencies within the wide band of frequencies passed by the transformer and to act as substantially a short circuit to the other frequency subband.
REFERENCES:
patent: 2374735 (1945-05-01), Crosby
patent: 3201695 (1965-08-01), Mason et al.
patent: 3325753 (1967-06-01), Shearer et al.
patent: 3577202 (1971-05-01), Brightman
patent: 3748581 (1973-07-01), Yello
Bookbinder Marc E.
Cohen Samuel
Gerasimow Alexander
RCA Corporation
Smiley Raymond E.
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