Accession Number : ADD010319


Title :   Millimeter-Wave Cut-Off Switch.


Descriptive Note : Patent Application,


Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON DC


Personal Author(s) : Stern,Richard A ; Mariani,Elio A


Report Date : 20 Jun 1983


Pagination or Media Count : 12


Abstract : A millimeter-wave cut-off switch in a dielectric waveguide having a semi-insulating core and a semi-conducting epitaxial layer. A controller affixed to the epitaxial layer is alternately switched to vary the conductivity of the epitaxial layer thereby influencing wave propagation in the waveguide. When the waveguide is properly dimensioned such that the operating frequency lies in the high-loss section near the cut-off frequency on the loss vs. frequency characteristic curve, an applied reverse bias voltage produces a switching function in the loss characteristics associated with the wave propagating in the guide thereby resulting in low-loss propagation. (Author)


Descriptors :   *Patent applications , *Electronic switches , *Semiconductor devices , Schottky barrier devices , Dielectric waveguides , Transmitter receivers , Millimeter waves , Epitaxial growth , Radiation attenuation , Bias , Frequency response


Subject Categories : Electrical and Electronic Equipment


Distribution Statement : APPROVED FOR PUBLIC RELEASE