Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1975-11-12
1976-11-02
Gensler, Paul L.
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
325 42, 325323, H04B 304
Patent
active
039900223
ABSTRACT:
Utilizing a known equalizer and a single-sideband frequency transposition device, unitary construction is achieved by using a second series of output channels which, by a crosswise connection to the comparators already present in the control voltage generator, supplies a second equalized signal shifted in phase over .pi. /2 with respect to the equalized output signal of the first series of output channels. The output signals thus formed are used as input signals for a single-sideband frequency transposition device having two modulator stages which are also fed by two frequency transposition oscillations mutually shifted in phase over .pi. /2. In this way a unitary construction is realized which is especially interesting for integration and which distinguishes itself by an optimum frequency transposition quality as well as by a considerable saving in complex circuit elements.
REFERENCES:
patent: 3753115 (1973-08-01), Van Gerwen et al.
patent: 3845390 (1974-10-01), De Jager et al.
patent: 3868576 (1975-02-01), Bagdasarjanz et al.
Cohen Simon L.
Gensler Paul L.
Trifari Frank R.
U.S. Philips Corporation
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