Abstract A microwave device comprising a hollow spacing cylinder of a dielectric material which is closed by electrically conductive contact members on its end faces, a first contact member being composed of two parts which are arranged to be insulated from each other, a semiconductor diode having a negative microwave resistance which is arranged inside the cylinder such that one side is directly connected to the second contact member and the other side is connected, via a first portion of a supply conductor, to one of the parts of the first contact member, and a capacitive semiconductor element which is incorporated in the second portion of the supply conductor, said second portion being provided between the other side of the diode having a negative microwave resistance and the second part of the first contact member.
A microwave device comprising a hollow spacing cylinder of a dielectric material, a first electrically conductive contact member closing one end of said cylinder, a second electrically conductive contact member closing the other end of said cylinder, said first contact member being composed of two mutually insulated parts, a semiconductor diode having a negative microwave resistance, said diode being arranged within said cylinder and having one terminal surface connected to said second contact member, a supply lead connecting the other terminal of said diode to one part of the first contact member, a capacitive semiconductor element arranged within said cylinder and having a first terminal lead connected to the said other terminal of said diode and a second terminal lead connected to the second part of said first contact member.
Claim 2
Dependent Claim
130 words
A microwave device comprising a hollow spacing cylinder of a dielectric material, a first electrically conductive contact member closing one end of said cylinder, a second electrically conductive contact member closing the other end of said cylinder, said first contact member being composed of two mutually insulated parts, a semiconductor diode having a negative microwave resistance, said diode being arranged within said cylinder and having one terminal surface connected to said second contact member, a supply lead connecting the other terminal of said diode to one part of the first contact member, a capacitive semiconductor element arranged within said cylinder and having a first terminal lead connected to the said other terminal of said diode and a second terminal lead connected to the second part of said first contact member.
Claim 3
Dependent Claim
16 words
A microwave device according to claim 1 wherein said capacitive semiconductor element is a varactor diode.
Claim 4
Dependent Claim
15 words
A microwave device according to claim 1 wherein said semiconductor diode is an avalanche diode.
Claim 5
Dependent Claim
24 words
A microWave device according to claim 1 wherein said capacitive semiconductor element is arranged about midway between said diode and said first contact member.