Noncontacting MIC ground plane coupling using a broadband virtua

Details Noncontacting MIC ground plane coupling using a broadband virtua Noncontacting MIC ground plane coupling using a broadband virtua

1985-07-29

1986-09-09

LaRoche, Eugene R.

Wave transmission lines and networks

Long line elements and components

Strip type

333260, 339 14R, 361399, 361415, 174 52R, H01P 500

Patent

active

046111867

ABSTRACT:
Electrical coupling to the ground plane of an MIC is accomplished by forming a gap adjacent an edge of the ground plane and causing a virtual short to appear across the gap. A two part, one-half wavelength transmission line transformer is used to provide the virtual short. The transformer is defined by the conductive members surrounding the MIC and is open at the end corresponding to the gap and shorted at the other end. The impedances of the two parts of the transformer are chosen to maximize the bandwidth of the virtual short.

REFERENCES:
patent: 2451876 (1948-10-01), Salisbury
patent: 3553610 (1971-01-01), Brenner et al.
patent: 3747044 (1973-07-01), Vaccaro
patent: 3852690 (1974-12-01), Telfer
patent: 3870974 (1975-03-01), Ohlstein et al.
patent: 4100516 (1978-07-01), Hall
patent: 4255730 (1981-03-01), Sekine et al.

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