Apparatus for measuring an RF parameter

Details Apparatus for measuring an RF parameter Apparatus for measuring an RF parameter

1995-07-31

1998-03-10

Karlsen, Ernest F.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With waveguide or long line

324754, 200 5104, G01R 3122

Patent

active

057265666

ABSTRACT:
In apparatus for measuring the output power an RF transmitter stage (34) connected to an antenna (44) via a quarter wavelength stripline (38), a manual probe (20) is applied connect the output of the transmitter stage to a power meter (24) and connect the output end of the stripline (38) to ground. Thus, RF signals which were passed to the antenna (44) are switched to the power meter (24). All the circuitry including the antenna (44) is mounted on a printed circuit board (60) disposed within a housing (14) which has an aperture (18) to enable the probe (20) to be inserted. By providing a suitable meter, parameters other than RF power can be measured.

REFERENCES:
patent: 1028254 (1912-06-01), Murray
patent: 1090489 (1914-03-01), Murray
patent: 1739913 (1929-12-01), Pengilly
patent: 3387104 (1968-06-01), Friend
patent: 3696296 (1972-10-01), Nylen
patent: 4122400 (1978-10-01), Medendorp
patent: 5126686 (1992-06-01), Tam
patent: 5184065 (1993-02-01), Chism

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