Wave transmission lines and networks – Coupling networks – Frequency or time domain filters and delay lines utilizing...
Patent
1980-06-30
1982-02-23
Nussbaum, Marvin L.
Wave transmission lines and networks
Coupling networks
Frequency or time domain filters and delay lines utilizing...
328151, 333166, 364724, H03H 1704, H03H 1112
Patent
active
043170927
ABSTRACT:
A recursive digital low-pass filter processes an input signal with essentially unity gain and sharp frequency cutoff without using multipliers to provide an output signal with an information bandwidth substantially one-half that of the input signal.
REFERENCES:
patent: 3599108 (1971-08-01), Gardner
patent: 3622916 (1971-11-01), Fjallbrant
Hewlett--Packard Company
Nussbaum Marvin L.
Wong Edward Y.
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