Low threshold power frequency selective limiter for GPS

Details Low threshold power frequency selective limiter for GPS Low threshold power frequency selective limiter for GPS

2006-02-14

2006-02-14

Le, Dinh T. (Department: 2816)

Wave transmission lines and networks

Automatically controlled systems

Limiting of amplitude

C333S024200

Reexamination Certificate

active

06998929

ABSTRACT:
A frequency selective limiter operative in a magnetostatic surface mode with a pair of parallel microstrip transducers formed on a substrate and having a length at least equal to the width of an overlaying YIG film ranging in thickness from about 0.1 μm and about 5.0 μm and having a width equal to or less than about 20. mm and which is biased by a permanent magnetic field applied in the plane of the film parallel to the transducers so that magnetostatic surface waves propagate therebetween in the YIG film so as to provide a limiter threshold level in the range of −75 dBm to −35 dBm. The transducers have specific spacings and dimensions.

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