US PATENT SUBCLASS 333 / 205
.~.~.~ Tunable

Current as of: June, 1999
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333 /   HD   WAVE TRANSMISSION LINES AND NETWORKS

24 R  DF  COUPLING NETWORKS {15}
202  DF  .~ Wave filters including long line elements {4}
204  DF  .~.~ Stripline or microstrip {1}
205.~.~.~ Tunable

DEFINITION

Classification: 333/205

Tunable:

(under subclass 204) Subject matter wherein the filter structure includes electrically or mechanically variable parameters to provide an adjustable amplitude versus frequency characteristic.