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Patent classifications
H
ELECTRICITY
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H03
ELECTRONIC CIRCUITRY
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H03J
TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
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3/00
Continuous tuning
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H03J3/02
Details
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H03J3/06
Arrangements for obtaining constant bandwidth or gain throughout tuning range or ranges
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H03J3/08
by varying a second parameter simultaneously with the tuning, e.g. coupling bandpass filter
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