Wireless receiver having crystal filter at outputs of preamplifi

Details Wireless receiver having crystal filter at outputs of preamplifi Wireless receiver having crystal filter at outputs of preamplifi

1982-12-13

1985-11-19

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

With wave collector

455291, 455293, 455333, 455340, 333192, H04B 126

Patent

active

045546789

ABSTRACT:
A wireless superheterodyne receiver is provided having an antenna for receiving wireless transmissions, a preamplifier having an input connected to the antenna and an output, a crystal filter having an input connected to the output of the preamplifier and an output, a demodulator having an input connected to the output of the filter, the demodulator having a single mixer, an oscillator having a second crystal connected to the single mixer of the demodulator wherein the demodulator supplies at an output a demodulated signal based upon the wireless transmissions.

REFERENCES:
patent: 2054757 (1936-09-01), Lamb
patent: 2266658 (1941-12-01), Robinson
patent: 2296882 (1942-09-01), Toth
patent: 2405999 (1946-08-01), Collar et al.
patent: 2714157 (1955-07-01), Boelens
patent: 3388338 (1968-06-01), Austin
patent: 3404347 (1968-10-01), Kaplan et al.
patent: 3633134 (1972-01-01), Barrows et al.
patent: 3641434 (1972-02-01), Yates et al.
patent: 4052674 (1977-10-01), Miyamoto
patent: 4053717 (1977-10-01), Snider
patent: 4112377 (1978-09-01), Tanner et al.
patent: 4263676 (1981-04-01), Liebel
patent: 4267604 (1981-05-01), Sato
patent: 4369518 (1983-01-01), Olson

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