Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With waveguide or long line
Patent
1987-09-03
1989-10-10
Strecker, Gerard R.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With waveguide or long line
324115, G01R 1508, G01R 2100, G01R 2110
Patent
active
048734845
ABSTRACT:
A probe for sensing radio frequency power, utilizing two independently-driven radio frequency-sensitive diodes. The two diodes are driven through a common RF input, through a branch network which separates and feeds the probe RF power to each diode independently. The diodes are unequally padded from the RF input, to provide an extended sensitivity range for the probe. One diode, therefore, operates in a lower dBm range, while the other diode operates in a higher dBm range. Two separate outputs are provided from the probe to supply a common power meter which monitors the appropriate output for the present power level of the radio frequency input.
REFERENCES:
patent: 2779869 (1957-01-01), Gerks
patent: 3295022 (1966-12-01), Schelisch
patent: 3537004 (1970-10-01), Strock
patent: 4044303 (1977-08-01), Reindel
patent: 4110687 (1978-08-01), Sneed, Jr.
patent: 4520310 (1985-05-01), Kelly et al.
patent: 4642558 (1987-02-01), Batchman et al.
Kruppa, R. W. Null Type Minimum Indicator with Automatic Ranging, IBM Technical Disclosure Bulletin, vol. 12, No. 9, Feb. 1970, pp. 1413,1414.
Lucas Weinschel Inc.
Strecker Gerard R.
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