Telecommunications – Receiver or analog modulated signal frequency converter – Local control of receiver operation
Patent
1989-02-21
1990-11-20
Orsino, Joseph A.
Telecommunications
Receiver or analog modulated signal frequency converter
Local control of receiver operation
455193, 455240, H04B 116
Patent
active
049723537
ABSTRACT:
A composite core transformer has a high permeability segment and a low permeability segment such that a saturable portion of the core is used to control RF energy coupled from a receiving antenna to a radio receiver. Transformer input and output windings are wound on the low permeability segment of the composite core. A control winding is wound on the high permeability segment of the core and receives an automatic gain control signal from a radio receiver. The resulting radio receiver has high resistance to overload and an extended dynamic range of automatic gain control.
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patent: 4088942 (1978-05-01), Miko
patent: 4419723 (1983-12-01), Wilson, Jr.
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patent: 4682126 (1987-07-01), Milberger et al.
Hashoian Ralph S.
Kennedy John F.
Ford Motor Company
Godwin Paul K.
Jackson J.
Mollon Mark
Orsino Joseph A.
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