Slide-screw tuner with single corrugated slug

Details Slide-screw tuner with single corrugated slug Slide-screw tuner with single corrugated slug

2005-12-27

2005-12-27

Jones, Stephen E. (Department: 2817)

Wave transmission lines and networks

Automatically controlled systems

Impedance matching

C333S263000, C324S637000, C324S642000

Reexamination Certificate

active

06980064

ABSTRACT:
The present invention discloses a load-pull slide-screw tuner consisting of a radio-frequency (RF) or microwave slotted airline (slabline) containing a single corrugated RF slug, said corrugated RF slug being controlled horizontally and vertically by remote electric control, allowing the creation of impedances which are distributed over and cover the entire Smith chart, from perfect transparency to high reflection factors. The corrugation structure of the RF slug of this invention provides the slide-screw tuner, with a single RF slug, the same electromagnetic performances than double slugs slide-screw tuner, i.e. same frequency bandwidth of use and equivalent high gamma performances, at a much lower cost of manufacturing.

REFERENCES:
patent: 6515465 (2003-02-01), Kiyokawa et al.
patent: 6674293 (2004-01-01), Tsironis

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