Power level measurement system

Details Power level measurement system Power level measurement system

1980-03-31

1982-07-27

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Nonlinear

324 95, 324115, 324118, G01R 1510, G01R 2104

Patent

active

043419941

ABSTRACT:
A power level measurement system includes a power level sensor having a linear response to power level variations for power levels below a predetermined level and a non-linear response above the predetermined level, a DC amplifier and linearity compensator for measuring power and amplitude levels above the predetermined power level, a switched amplifier circuit containing a DC to AC converter circuit, an AC amplifier and a detector for measuring power levels below the predetermined level, means for determining whether the power level of the high frequency signal is above or below the predetermined power level and for accordingly selecting either the DC amplifier or the switched amplifier system in accordance with this power level, and display means for displaying the output from the selected amplifier system.

REFERENCES:
patent: 3156859 (1964-11-01), Cox
patent: 3611131 (1971-10-01), Burkhart et al.
patent: 4255706 (1981-03-01), Soojian

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