All-channel television tuning system

Details All-channel television tuning system All-channel television tuning system

H - Electricity

04

N

365/3

H04N 5/44 (2006.01) H03J 5/00 (2006.01) H03J 5/24 (2006.01)

Patent

CA 1211872

ABSTRACT OF THE DISCLOSURE An all-channel television tuner includes a single 75 ohm input for receiving airborne signals and CATV signals. single band high frequency section tunes frequencies from 370 to 806 MHz and 3 three band low frequency section tunes frequencies from 54 mHz through 370 mHz. Both sections are coupled to the 74 ohm input through signal diverting means. channel selector provides tuning voltages and band switching voltages to the sections and to the signal diverting means as a function of the channel selected.

463920

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