Diplex filter comprising monotonic poles

Details Diplex filter comprising monotonic poles Diplex filter comprising monotonic poles

1996-05-10

1998-10-13

Pascal, Robert

Wave transmission lines and networks

Plural channel systems

Having branched circuits

333175, H03H 746

Patent

active

058218319

ABSTRACT:
A three port diplex filter circuit with common, low, and high terminals having a frequency response up to 1 GHz comprises a Chebychev-like low pass filter connected between the common and low terminals and a Chebychev-like high pass filter connected between the common and high terminals, wherein each filter section further comprises a series resonant circuit connected between the low and high terminals, respectively, and ground. At lower crossover values, inductors are wound on powdered iron toroidal forms to counteract characteristic self resonance.

REFERENCES:
patent: 4623762 (1986-11-01), Boeckmann et al.
patent: 5390337 (1995-02-01), Jelinek et al.
patent: 5548255 (1996-08-01), Spielman
Krauss et al, Solid State Radio Engineering, John Wiley & Sons, p. 126, 1980.

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