Split phase delay equalizer with single transformer and adjustme

Details Split phase delay equalizer with single transformer and adjustme Split phase delay equalizer with single transformer and adjustme

1980-12-08

1982-09-28

Gensler, Paul L.

Wave transmission lines and networks

Coupling networks

Equalizers

333138, H03H 701

Patent

active

043520758

ABSTRACT:
A split phase delay equalizer is constructed using a single transformer. An adjustment for Q loss is provided by a flat loss shift in the amplitude response of the equalizer down to a level at or below the lowest Q loss dip level.

REFERENCES:
patent: 2231079 (1941-02-01), Longo
patent: 3551854 (1970-12-01), Endo et al.
patent: 3794935 (1974-02-01), Tsuchiya et al.
patent: 3868604 (1975-02-01), Tongue
patent: 4243957 (1981-01-01), Schmidt
A. H. Naegeli, "IF Filters for the 8901A Modulation Analyzer", Hewlett Packard Journal, Nov. 1979, p. 10.
H. Shiki et al., "IF Variable Equalizers for FM Microwave Radio Links", IEEE Transactions on Communications, vol. COM-22,7, Jul. 1974, pp. 941-950.
V. Cunningham, "Design Single Section Delay Equalizers", Electronic Design 19, Sep. 13, 1976, pp. 82-87.
S. Rosenfield et al., "Group Delay Equalizaton in Communications Systems", Comstron Application Data Bulletin 175, pp. 1-9.
Arthur B. Williams, "Unconventional Active Filters", Active Filter Design, 1975, pp. 93, 95, 97, 99, 100.

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