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DYNAMIC_NOTCH_FILTER

2017-02-14 11:58  
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DYNAMIC_NOTCH_FILTER
Will trap out 10-Mc noise while passing 10.Mc signal in heterodyne frequency convertor used to extend measurement range of 10-Mc counter. Operation is based on difference in level of noise and desired signal. Dynamic action of filter nulls out low-level noise, but filter disappears in presence of desired high-level signal. -H. T. McAleer, Dynamic Notch Filter, FEE, 10:9, p 90-91.