1981•IEEE Transactions on Microwave Theory and TechniquesRequires access

TV Tuning Systems with SAW Comb Filter

Shigeo Matsuura, Katashi Hazama, T. Murata

Abstract

We have successfully developed two TV tuning systems which apply a SAW comb filter device in a new way. One is an automatic channel indicating system and the other is a frequency synthesizer. The SAW comb filter has comb peaks at the frequencies where channels are allocated. A channel number is recognized by counting the number of comb peaks which the local oscillator signal of a tuner goes through. The SAW comb filter has a minimum electrode width of 1 mu m. It has four sets of IDT's to cover all TV channels, fabricated on a single chip.

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Available abstract

Key concepts: Comb filter, Comb generator, Filter (signal processing), Channel (broadcasting), Tuner, SIGNAL (programming language), Acoustics, Electronic engineering