Radio frequency testing system and testing circuit utilized...

Details Radio frequency testing system and testing circuit utilized... Radio frequency testing system and testing circuit utilized...

2008-08-03

2010-06-29

Nguyen, Vinh P (Department: 2829)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

C324S095000

Reexamination Certificate

active

07746062

ABSTRACT:
A radio frequency (RF) testing system (100) includes a RF signal source (10) generating RF signals, an antenna (50), a RF testing circuit (40) disposed on a printed circuit board (PCB) (41), a testing probe (20) for receiving the RF signal from the RF testing circuit, and a testing apparatus (30) for testing the RF signals from the testing probe. The RF testing circuit includes a first pad (42), a second pad (44), a transmission line (48), and at least one ground portion (49) parallel to the transmission line. A distance between a first region defined by the first pad and a second region defined by the second pad positioned between the first region and the antenna is equal to one-fourth of the wavelength. During testing, the testing probe is electrically connected to the first pad, and the second pad is electrically connected to ground of the PCB.

REFERENCES:
patent: 3916349 (1975-10-01), Ranghelli et al.
patent: 4096441 (1978-06-01), Schwartz
patent: 5821815 (1998-10-01), Mohwinkel
patent: 2648742 (2004-10-01), None
patent: 576507 (2004-02-01), None

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