Fast turn-on, temperature stable dielectric resonator oscillator

Claim 2

A dielectric resonator assembly comprising: a housing having interior surfaces defining a resonant cavity; a dielectric resonator within the resonant cavity, said dielectric resonator comprising a ceramic having a high dielectric constant for generating pulses at a desired frequency of oscillation; a pedestal for supporting the dielectric resonator within the resonant cavity so that the resonator is spaced apart from each of the interior surfaces of the resonant cavity; and a pair of parallel transmission lines for transmitting the pulses, said transmission lines passing through opposing interior surfaces of the housing, wherein each transmission line having a conductive line disposed on a dielectric substrate, each dielectric substrate passing through the housing at opposite sides of the housing, and each dielectric substrate having a conductive ground plane attached to a side of the dielectric substrate that is opposite the conductive line, wherein the transmission line is proximate to and in a magnetically coupled relationship with the dielectric resonator, and wherein the dielectric resonator is disposed between the parallel transmission lines.

Claim 3

The assembly of claim 1 wherein the pedestal comprises a material having a low dielectric constant.

Claim 4

The assembly of claim 1 wherein the dielectric resonator comprises a cylinder of ceramic having a high dielectric constant.

Claim 5

The assembly of claim 1 wherein the pedestal supports the dielectric resonator substantially centrally located within the resonant cavity whereby temperature stability of said dielectric resonator assembly is improved.

Claim 6

The assembly of claim 4 wherein said dielectric resonator assembly has a turn-on delay associated with a Q factor and wherein the interior portion of the transmission line is substantially centrally located within the resonant cavity proximate to the dielectric resonator whereby the Q factor of said dielectric resonator assembly is decreased thereby decreasing the turn-on delay.

Claim 7

The assembly of claim 1 wherein the housing is metallic.

Claim 8

The assembly of claim 1 wherein the resonant cavity is filled with a material having a low dielectric constant.

Claim 9

The assembly of claim 1 wherein the dielectric substrate is wider than the conductive line.

Claim 10

The assembly of claim 1 wherein the dielectric substrate has a width 2.5 to 3 times greater than the width of the conductive line.

Claim 11

A dielectric resonator oscillator comprising: a housing having interior surfaces defining a resonant cavity; a dielectric resonator within the resonant cavity, said dielectric resonator comprising a ceramic having a high dielectric constant for generating pulses at a desired frequency of oscillation; a pedestal for supporting the dielectric resonator within the resonant cavity so that the resonator is spaced apart from each of the interior surfaces of the resonant cavity; a pair of parallel transmission lines for transmitting the pulses, said transmission lines passing through opposing interior surfaces of the housing, wherein each transmission line having a conductive line disposed on a dielectric substrate, each dielectric substrate passing through the housing at opposite sides of the housing, and each dielectric substrate having a conductive ground plane attached to a side of the dielectric substrate that is opposite the conductive line, wherein the transmission line is proximate to and in a magnetically coupled relationship with the dielectric resonator, and wherein the dielectric resonator is disposed between the parallel transmission lines; a power divider circuit; and an amplifier circuit connected in parallel with the transmission lines, said amplifier and the transmission lines being commonly connected via the power divider circuit.

Claim 12

A dielectric resonator oscillator comprising: a housing having interior surfaces defining a resonant cavity; a dielectric resonator within the resonant cavity, said dielectric resonator comprising a ceramic having a high dielectric constant for generating pulses at a desired frequency of oscillation; a pedestal for supporting the dielectric resonator within the resonant cavity so that the resonator is spaced apart from each of the interior surfaces of the resonant cavity; a pair of parallel transmission lines for transmitting the pulses, said transmission lines passing through opposing interior surfaces of the housing, wherein each transmission line having a conductive line disposed on a dielectric substrate, each dielectric substrate passing through the housing at opposite sides of the housing, and each dielectric substrate having a conductive ground plane attached to a side of the dielectric substrate that is opposite the conductive line, wherein the transmission line is proximate to and in a magnetically coupled relationship with the dielectric resonator, and wherein the dielectric resonator is disposed between the parallel transmission lines; a power divider circuit; and an amplifier circuit connected in parallel with the transmission lines, said amplifier and the transmission lines being commonly connected via the power divider circuit.