Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With waveguide or long line
Reexamination Certificate
2005-06-07
2005-06-07
Nguyen, Vinh (Department: 2829)
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With waveguide or long line
C455S127100
Reexamination Certificate
active
06903542
ABSTRACT:
In one embodiment, a radio frequency (RF) power meter operates according to a variable loop bandwidth according to the nature of the RF signal to be measured. The RF power meter comprises: a first switch that switchably provides one of a first signal and a second signal, wherein the first signal is the RF signal to be measured; a first signal path for detecting an output signal from the first switch and for providing a first comparison signal according to a first bandwidth, a second signal path for detecting an output from the first switch and for providing a second comparison signal according to a second bandwidth, and a second switch that switchably provides one of the first comparison signal and the second comparison signal to the first switch to complete a closed-loop for the RF power meter.
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patent: 6534966 (2003-03-01), Zou
Holt. Tim, et al., “RF power measurement techniques for digital broadcast systems”, Applied Technology, Feb. 2002, pp. 68-70.
Agilent Technologie,s Inc.
Kobert Russell M.
Nguyen Vinh
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