Method and apparatus for satellite receiver with variable predet

Details Method and apparatus for satellite receiver with variable predet Method and apparatus for satellite receiver with variable predet

1993-11-02

1996-04-09

Harvey, David E.

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

4552001, 348726, H04N 720

Patent

active

055070256

ABSTRACT:
A satellite receiver having first and second stages that are serially coupled so that an output of the first stage feeds into an input of the second stage is provided. Each of the first and second stages includes a tunable oscillator for providing a reference frequency, a means coupled to the input and the tunable oscillator for mixing a frequency modulated (FM) signal on that stage's input with the reference frequency to provide an intermediate frequency (IF) FM signal, and a bandpass filter for filtering the IF FM signal and providing the filtered IF FM signal to that stage's output.

REFERENCES:
patent: 4267605 (1981-05-01), Matsuzawa et al.
patent: 4858225 (1989-08-01), deSantis
patent: 4939789 (1990-07-01), Sakashita et al.
patent: 5097221 (1992-03-01), Miller
patent: 5136267 (1992-08-01), Cabot
patent: 5303404 (1994-04-01), Kivela
Beeman, The effect of high chrominance levels in satellite-delivered video, Communications Technology, pp. 30-34 & 60, Nov., 1991.

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