H - Electricity – 04 – N
Patent
H - Electricity
04
N
H04N 7/10 (2006.01) H04N 7/14 (2006.01) H03H 1/00 (2006.01) H03H 7/46 (2006.01) H04N 7/16 (2006.01) H04N 7/173 (2006.01)
Patent
CA 2426614
A bandstop filter for use in CATV applications is formed by a pair of diplexers, a lowpass filter and a highpass fitter. Signals having a frequency range of, e.g., 0-3 GHz enter at a first node connected to the inputs of both the lowpass and highpass filters. Signals having frequencies below a first, predetermined value pass through the lowpass filter, and signals having frequencies above a second, predetermined value pass through the highpass filter with signals having frequencies between the first and second values being blocked, i.e., "stopped." The outputs of both the lowpass and highpass filters are connected to the second diplexer at a second node which is connected to the single output.
John Mezzalingua Associates Inc. D/b/a Ppc
Macrae & Co.
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