Broadband slow wave structure attenuator

Details Broadband slow wave structure attenuator Broadband slow wave structure attenuator

1982-05-10

1984-03-06

Gensler, Paul L.

Wave transmission lines and networks

Attenuators

333161, H01P 122

Patent

active

044356897

ABSTRACT:
A broadband attenuator section in a meander line slow wave structure is dlosed for attenuating signals reflected between the output and input of the slow wave structure. The attenuator section comprises a multi-element ceramic support structure intermediate the meander line conductor pattern and the substrate wherein the support elements are comprised of a beryllium oxide-silicon carbide ceramic composition with a taper in the percentage of silicon carbide being provided in the transition region from a loss free section of the slow wave structure to a lossy attenuator section. The taper in percentage involves the use of ceramic support elements arranged in a sequence of 1%, 2% and 5% silicon carbide composition prior to the main attenuator section which is comprised of 10% silicon carbide - 90% beryllium oxide support elements.

REFERENCES:
patent: 3328629 (1967-06-01), Newland
patent: 3925738 (1975-12-01), Bates et al.

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