Transceiver testing apparatus

Details Transceiver testing apparatus Transceiver testing apparatus

1989-04-19

1991-05-14

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Measuring signal energy

G01R 2700

Patent

active

050160206

ABSTRACT:
Apparatus for testing a radio transceiver installation having an antenna includes a screening hood (20) adapted to be fitted over the antenna (10) of an installation to be tested; and a hood antenna (21) mounted within said hood (20) so that when the hood is in its operative position the two antennae (10, 21) form an over-coupled bandpass filter. The position of said hood antenna (21) is within adjustable hood (20) which should normally have a diameter which is approximately 0.15 wavelengths of the resonant frequency of an antenna (10) to be tested.

REFERENCES:
patent: 2490782 (1949-12-01), Collup
patent: 2988740 (1961-06-01), Albanese
patent: 4220955 (1980-09-01), Frye
patent: 4794396 (1988-12-01), Pothier
Czerwinski, W. P. et al., A Compact Tubular Chamber for Impedance and Power Testing of VHF Whip Antennas, IEE Transactions on Vehicular Technology, vol. VT-21, No. 3, 8-1972.

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