Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1986-06-13
1989-06-06
Griffin, Robert L.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
455193, 455196, H04B 126
Patent
active
048378526
ABSTRACT:
An electronic tuning circuit for AM receiver is disclosed which is so designed that tracking errors are minimized by increasing the accuracy of constants for tuning coils, oscillation coils and capacitance elements incorporated in an antenna tuning circuit, a high-frequency amplifier circuit and a local oscillator circuit which constitute the electronic tuning circuit. After the electronic tuning circuit has been mounted in place, tracking adjustment is effected at one point of the receiving frequency band, or alternatively no such adjustment is required.
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Takada Noboru
Yokoyama Hajime
Griffin Robert L.
Kuntz Curtis
Matsushita Electric - Industrial Co., Ltd.
Toko Inc.
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