FREQUENCY VARIABLE RESONANCE CIRCUIT AND FREQUENCY VARIABLE FILTER
PROBLEM TO BE SOLVED: To provide a frequency variable resonance circuit in which the pass-band width is hardly changed in a plurality of pass bands to be set.SOLUTION: A frequency variable resonance circuit 10 includes a first input and output terminal P1 and a second input and output terminal P2, a...
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Format: | Patent |
Sprache: | eng ; jpn |
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