I.F. Delay equalizer for a UHF tv transmitter

Details I.F. Delay equalizer for a UHF tv transmitter I.F. Delay equalizer for a UHF tv transmitter

1983-05-18

1984-12-25

Gensler, Paul

Wave transmission lines and networks

Coupling networks

Equalizers

330304, 358186, H04B 314, H03H 703

Patent

active

044906935

ABSTRACT:
A group delay compensation circuit for a television transmitter comprises a signal source coupled to a series resonant circuit. A means is present for changing the resonant circuit Q without changing the amplitude of an output signal derived from the resonant circuit. A difference amplifier is coupled to the resonant circuit and to the signal source. The means can be a voltage divider and a variable resistor coupled to the divider. Changing the Q varies the group delay.

REFERENCES:
patent: 3794935 (1974-02-01), Tsuchiga et al.
patent: 3868604 (1975-02-01), Tongue
patent: 4063187 (1977-12-01), Orchard
patent: 4275358 (1981-06-01), Winget
patent: 4352075 (1982-09-01), Cunningham

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