Fast, High Power, Octave Bandwidth, X-Band Waveguide Microwave Switch

Anin situTunable Diode Mounting Topology for High-Power $X$-Band Waveguide Switches

“…Isolation of 12 dB over a 7% band and 0.4-dB insertion loss using a single p-i-n diode was achieved with the design. The single-pole single-throw (SPST) microwave switch presented by Bakeman and Armstrong [3] switches from a dielectric shunt across the waveguide in the low attenuation state to a resistive shunt across the waveguide when operating in the isolation state by using a grid of diodes mounted in the cross section of the waveguide. Bias lines running through the narrow wall of the waveguide, are perpendicular to the electric field and are, therefore, decoupled from the microwave signal.…”

Shaper of SNF radio pulses on the base of travelling wave resonator [SNF read SHF]

“…Three types of electrically operated shutters can be distinguished gas discharged, transistorized and vacuum protective devices [3]. A shutter of "waveguide window" type is considered to be highly perspective for future development [4]. It is considered as a protective device of input tracts of receivers and presents a system consisting of two "comhs" with conductive rods overlapping each other and disposed in parallel to wide walls of waveguide, namely perpendicular to the vector of electric field of H,o and Hzo type waves.…”