Resonant element transformer

Wave transmission lines and networks – Coupling networks – With impedance matching

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333116, H01P 502

Patent

active

042753643

ABSTRACT:
An impedance matching device is created for transforming electrical impedes. The device has more stability at low impedances. A pair of coplanar coupled transmission line conductors are placed on a dielectric substrate so as to form a four port impedance device. The electrical parameters of the device, such as electrical length and even and odd mode impedance, are selected from design parameters determined by evaluating a determinant matched to a complex load impedance Z.sub.r. A specific example of matching a standard 50 ohm transmission line to an IMPATT diode is disclosed.

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patent: 3921056 (1975-11-01), Mahoney
patent: 3965445 (1976-06-01), Ou
patent: 3969689 (1976-07-01), Corrons et al.
patent: 4013974 (1977-03-01), Quine
patent: 4127832 (1978-11-01), Riblet

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