Power detector for mismatched load

Details Power detector for mismatched load Power detector for mismatched load

2008-03-25

2008-03-25

Nguyen, Khanh Van (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including particular power supply circuitry

C330S285000

Reexamination Certificate

active

07348853

ABSTRACT:
A method for measuring the forward power output of an amplifier with improved accuracy with a mismatched load based on probing the amplitude of the AC voltage and current in the final amplifier stage. Amplitudes are combined resulting in a composite reading that is affected less by load mismatch. Variations include measuring signal amplitude at two points 90 degrees apart in the transmission medium and measuring the power supply voltage and current of a saturated amplifier.

REFERENCES:
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patent: 6081161 (2000-06-01), Dacus et al.
patent: 6430402 (2002-08-01), Agahi-Kesheh
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patent: 6646511 (2003-11-01), Canyon et al.
patent: 6897730 (2005-05-01), Dupuis et al.
patent: 6960956 (2005-11-01), Pehlke et al.

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