Microwave attenuator

Details Microwave attenuator Microwave attenuator

1987-08-10

1988-10-11

Gensler, Paul

Wave transmission lines and networks

Attenuators

333246, H01P 122

Patent

active

047774568

ABSTRACT:
A high performance, low cost variable attenuator is disclosed with minimal size and weight requirements. The variable microwave attenuator of the present invention includes a microwave stripline transmission line connecting the input and the output thereof; first and second ground planes are disposed on opposite sides of the transmission line; and a dielectric card having a metallization pattern is disposed on at least a portion thereof. The card is adapted for variable interposition between the transmission line and the first ground plane to provide variable attenuation of microwave energy. A specific teaching of the invention relates to the design of the metallization pattern to provide vernier attenuation.

REFERENCES:
patent: 2670461 (1954-02-01), Learned
patent: 2961621 (1960-11-01), Tanenbaum et al.
patent: 3070764 (1962-12-01), Douglas
patent: 3218583 (1965-11-01), Pon et al.

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