H - Electricity – 01 – L
Patent
H - Electricity
01
L
H01L 39/08 (2006.01) H01L 39/16 (2006.01) H01P 1/10 (2006.01)
Patent
CA 2118141
A low insertion loss, wide bandwidth, microwave switch has a superconducting transmission line that can reversibly go from a superconducting state to a normal state by the application of a DC voltage. When in the normal state, the switch is "off" and microwave signals are attenuated. To reduce the voltage necessary to cause switching, the width of the transmission line is decreased. This decrease is done in a controlled manner so that there are no spurious reflections produced on the line, resulting in a wide operating bandwidth. Previous microwave switches use other means to switch between superconducting and normal and suffer from disadvantages such as relatively slow switching time, complexity or narrow bandwidths as a result.
Hegmann Frank A.
Moffat Steven H.
Poulin G. Darcy
Preston John S.
Com Dev Ltd.
Hegmann Frank A.
Moffat Steven H.
Poulin G. Darcy
Preston John S.
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