Distortion-corrector for microwave tubes

Details Distortion-corrector for microwave tubes Distortion-corrector for microwave tubes

1978-11-29

1981-03-10

Nussbaum, Marvin L.

Wave transmission lines and networks

Automatically controlled systems

Impedance matching

328155, 330149, 333 18, 333139, 333156, 333171, H03H 720, H03H 734, H03H 2100

Patent

active

042557240

ABSTRACT:
A distortion-corrector which comprises a filter of the low-pass type, of the .pi. or T configuration, and two diodes, in parallel opposition, disposed between the input and output of the filter. This corrector compensates amplitude-and-phase- distortions of the tube associated with the corrector, over a given operational frequency-band of the tube which is below the cut-off frequency of the filter, by compressing weak signals, for which no diode conducts, with respect to strong signals, for which there is at least a start of conduction of one of the diodes and by producing a phase-lead which increases with the input power of the tube.

REFERENCES:
patent: 3524081 (1970-08-01), Campanella
patent: 3670214 (1972-06-01), Hagen
patent: 3849676 (1974-11-01), Bareyt
Rogers-"The Theory of Networks In Electrical Communication and Other Fields", MacDonald, London, 1958, Title Page and pp. 436-440.

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