Microwave semiconductor device

Details Microwave semiconductor device Microwave semiconductor device

1990-08-29

1991-10-15

Gensler, Paul

Wave transmission lines and networks

Long line elements and components

Strip type

174 524, 361421, 357 70, H01P 100, H01L 2952

Patent

active

050578057

ABSTRACT:
A microwave semiconductor device includes a lead frame including a die pad and pairs of ground leads formed integrally with the die pad, a microwave semiconductor element mounted on the die pad, and a signal lead disposed between and spaced by a predetermined distance from the pair of ground leads. The signal lead is coplanar with the pair of ground leads to form a coplanar high frequency transmission path.

REFERENCES:
patent: 3857115 (1974-12-01), Wisbey
patent: 4023053 (1977-05-01), Shimizu et al.
patent: 4276558 (1981-06-01), Ho et al.
patent: 4543544 (1985-09-01), Ziegner
patent: 4551747 (1985-11-01), Gilbert et al.
patent: 4593243 (1986-06-01), Lao et al.
patent: 4600907 (1986-07-01), Grellman et al.
patent: 4689875 (1987-09-01), Salstad
patent: 4853624 (1989-08-01), Rabjohn
patent: 4991001 (1991-02-01), Takubo et al.

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