Stripline interdigital band-pass filter

Details Stripline interdigital band-pass filter Stripline interdigital band-pass filter

1975-11-14

1977-04-26

Smith, Alfred E.

Wave transmission lines and networks

Automatically controlled systems

With control of equalizer and/or delay network

333 73W, 333 84M, H01P 120, H01P 308, H01P 700, H01P 116

Patent

active

040204286

ABSTRACT:
There is disclosed a stripline interdigital filter fabricated in a self-supporting structure and including a plurality of parallel-coupled resonators. The parallel-coupled resonators are disposed between first and second ground planes, which first ground plane being removably mounted to the filter housing to facilitate interchanging of the first ground plane with another ground plane so dimensioned that the spacing between the parallel-coupled resonators and the first ground plane is varied a predetermined amount whereby the band-pass characteristics of the filter are varied.

REFERENCES:
patent: 3391356 (1968-07-01), Bolljahn et al.
patent: 3496498 (1970-02-01), Kawahashi et al.
Matthael -"Interdigital Band-Pass Filters" in IRE Trans. on Microwave Theory and Techniques, vol. MTT-10, Nov. 1962, pp. 479-491.

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