Telecommunications – Transmitter and receiver at separate stations – Having measuring – testing – or monitoring of system or part
Patent
1995-03-07
1996-06-04
Urban, Edward F.
Telecommunications
Transmitter and receiver at separate stations
Having measuring, testing, or monitoring of system or part
324601, H04B 1700
Patent
active
055242812
ABSTRACT:
A measurement system is provided which comprises: source circuit for receiving feedback signals and for providing respective signals at respective discrete frequencies in a prescribed microwave frequency range, wherein the respective provided signals at respective discrete frequencies are substantially phase locked to at least one downconverted signal in response to the feedback signals; downconverting circuit for linearly downconverting the respective provided signals and for providing the at least one respective downconverted signal; and phase detector circuit for receiving the at least one respective downconverted signal and for providing the feedback signals.
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patent: 4661995 (1987-04-01), Kashiwagi
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patent: 4982164 (1991-01-01), Schiek et al.
patent: 5233418 (1993-08-01), Gumm et al.
Bradley Donald A.
Finch David P.
Grace Martin I.
Thornton Douglas R.
Urban Edward F.
Wiltron Company
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