Up-conversion homodyne receiver for cable television converter w

Details Up-conversion homodyne receiver for cable television converter w Up-conversion homodyne receiver for cable television converter w

1989-12-04

1990-12-18

Eisenzopf, Reinhard J.

Telecommunications

Wireless distribution system

455202, 455314, 455324, 358 86, H04B 130, H04H 100

Patent

active

049792300

ABSTRACT:
A carrier is received containing a plurality of signals within a first frequency band, for example television signals within the cable television band. The signals are upconverted to a second frequency band above the first band wherein a selected one of the upconverted signals will reside at an intermediate frequency within the second band. The selected upconverted signal is input to a homodyne detector operating at or near intermediate frequency. In-phase and quadrature signals output from the homodyne detector are digitally processed to recover a baseband signal.

REFERENCES:
patent: 4105868 (1978-09-01), Takahashi et al.
patent: 4464770 (1984-09-01), Waurer et al.
patent: 4520507 (1985-05-01), Moon
patent: 4524389 (1985-06-01), Isoke et al.
patent: 4545072 (1985-10-01), Skutta et al.
patent: 4642573 (1987-02-01), Noda et al.
patent: 4776039 (1988-10-01), Akaiwa
patent: 4817192 (1989-03-01), Phillips et al.

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