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Richard J Pankow, 7516461 Marbro Dr, Encino, CA 91436
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16461 Marbro Dr, Encino, CA 91436 818-7881535
Princeville, HI
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Us Patents
Traveling Wave Tube Phase Correction Loop
US Patent:
3958184, May 18, 1976
Filed:
Jun 2, 1975
Appl. No.:
5/583082
Inventors:
George F. Bock - Santa Ana CA
Richard J. Pankow - Norwalk CT
Richard J. Pankow - Norwalk CT
Assignee:
United Technologies Corporation - Hartford CT
International Classification:
H03B 304
H03K 518
H03K 518
US Classification:
328155
Abstract:
Phase dispersion between two or more traveling wave tubes (TWTs) is corrected on a pulse to pulse basis by a feedback loop which compares the relative phase of RF signals to be amplified in traveling wave tubes with one another, and provides a phase correction at the input to at least one of the traveling wave tubes such that the phase difference at the output of traveling wave tubes is the same as the phase difference at the inputs thereto, except for any offset therein which may be purposely inserted as desired. The phase difference at the input and at the output is achieved by phase correlators feeding sample and hold circuits, the outputs of which are converted from rectangular coordinates to polar coordinates including an angle; the phase difference angle at the input being compared with the phase difference angle taken from the output.
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