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Niehenke; Edward C.
Elkridge, MD
No. of patents:

Patent Number Title Of Patent Date Issued
4371851 Receiver protector with multi-level STC attenuation February 1, 1983
A radar receiver protector having high isolation and low insertion losses due to a unique microwave assembly configuration is disclosed. The receiver protector includes at least one high power input protection stage and a sensitivity time controlled multi-level attenuation which together
3992675 Broadband, upper sideband terminated, low-noise parametric amplifier November 16, 1976
A parametric amplifier which includes series coupled diodes contained in a resonating wave guide for providing a low noise figure by limiting the impedance to the idler circuit and inhibiting current flow in the upper sideband circuit. The mechanism for inhibiting current flow of the upp

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