DC extracting arrangement and a filter

Details DC extracting arrangement and a filter DC extracting arrangement and a filter

2008-06-17

2008-06-17

Jones, Stephen E (Department: 2817)

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

C333S207000, C333S235000

Reexamination Certificate

active

07388458

ABSTRACT:
The present invention relates to a DC extracting arrangement in a RF filter used for extracting a DC voltage and/or a low frequency signal (DC/Com. signal) superimposed on a RF signal. The DC/Com. signal is extracted using a low pass filter which is arranged inside the first resonator inside the filter. Preferably, the low pass filter is a tubular filter. The invention also relates to a filter housing made from Zinc or Zinc alloy.

REFERENCES:
patent: 5023579 (1991-06-01), Bentivenga et al.
patent: 0746051 (1996-12-01), None
patent: 56-89455 (1981-07-01), None
patent: WO01/97324 (2001-12-01), None

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