Low-loss RF coupler for testing a cellular telephone

Details Low-loss RF coupler for testing a cellular telephone Low-loss RF coupler for testing a cellular telephone

1993-03-18

1995-02-28

Wimer, Michael C.

Communications: radio wave antennas

Antennas

Measuring signal energy

343906, H01Q 100

Patent

active

053941624

ABSTRACT:
A low-loss RF coupler for testing a cellular telephone through the antenna mount has a base with a hole large enough to fit over said antenna mount and a ground plane extending over a surface of the base. The hole has a contact portion which is electrically isolated from the ground plane by an airgap. A pair of transmission lines is provided, one having a signal portion electrically connected from the contact portion to the test equipment and the other having a ground portion electrically connected from the ground plane to the test equipment.

REFERENCES:
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patent: 4134119 (1979-01-01), Sandoz et al.
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patent: 4220955 (1980-09-01), Frye
patent: 4261630 (1981-04-01), Knappenberger
patent: 4740794 (1988-04-01), Phillips et al.
patent: 4794396 (1988-12-01), Pothier
patent: 5014346 (1991-05-01), Phillips et al.
patent: 5016020 (1991-05-01), Simpson
patent: 5278571 (1994-01-01), Helfrick

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