Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1976-10-12
1977-09-27
Dixon, Harold A.
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
333 82B, 333 84R, 333 97R, H01P 120, H01P 704, H01P 308
Patent
active
040514498
ABSTRACT:
A plurality of signals to be separated in time as well as in frequency are imultaneously applied to the input of a power amplifier whose output is applied to the input of a fast-tuned filter. The filter is capable of being almost-instantaneously tuned to any of the frequencies of the input signals to control the output at any given time or combinations of times. The filter is in the form of a coaxial section with an input to the inner conductor of the coaxial section and the output taken from a strip line, parallel to the inner coaxial conductor, coupled to a coaxial output cable at the top of the coaxial filter. The tuning is by a plurality of inductive spokes positioned at various locations within the filter, and connected between the inner and outer coaxial conductors by switching diodes, that are externally controlled, to provide almost instantaneous control of the resonant frequency of the filter.
REFERENCES:
patent: 3131365 (1964-04-01), Hoover
patent: 3452293 (1969-06-01), Delong et al.
patent: 3602848 (1971-08-01), Leonard
patent: 3889214 (1975-06-01), Petitjean et al.
patent: 3969681 (1976-07-01), Fincke
Fincke George C.
Taylor George W.
Dixon Harold A.
Edelberg Nathan
Franz Bernard
Murray Jeremiah G.
Nussbaum Marvin
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