Variable Z.sub.o transmission line transformer

Details Variable Z.sub.o transmission line transformer Variable Z.sub.o transmission line transformer

1990-06-25

1991-09-24

Gensler, Paul

Wave transmission lines and networks

Coupling networks

With impedance matching

333 33, H03H 738, H01P 502

Patent

active

050517104

ABSTRACT:
A transmission line transformer is used for impedance matching in high frequency, broadband applications. The characteristic impedance, Z.sub.o, of the transmission line transformer is adjusted to an optimum value by terminating the ends of the transmission line using variable capacitors. The capability to trim the transmission line transformer to an optimum value of Z.sub.o reduces the criticality of the various factors which influence Z.sub.o during the manufacturing process.

REFERENCES:
patent: 1840434 (1932-01-01), Cowan
patent: 2657362 (1953-10-01), Epperson
patent: 2943275 (1960-06-01), Bittner et al.
patent: 3168715 (1965-02-01), Woodworth
patent: 3614676 (1971-10-01), Boelke
patent: 4275364 (1981-06-01), Skatvold, Jr.
patent: 4375054 (1983-02-01), Pavio
patent: 4839616 (1989-06-01), Herzog

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