Cryogenic filters
AssigneeK & L Microwave, Inc.
InventorRafi Hershtig
Life of this patent
Estimating the term…
Abstract
A cryogenic waveguide cavity filter for use in a wireless communication systems.
Claims13
A wireless communication system comprising:
- a heat exchange unit;
- a wave guide cavity filter, located within the heat exchange unit, coupled to an input signal and producing an output signal;
- a low noise amplifier coupled to the output signal and disposed external to the heat exchange unit;
- a cryogenic cooling generation unit cooling the wave guide cavity filter to cryogenic temperatures;
- and
- wherein the output signal is an unamplified version of the input signal.
A wireless communication system comprising:
- a tower having an upper section and a base section;
- a heat exchange unit mounted on the upper section of the tower;
- a wave guide cavity filter located within the heat exchange unit and having an output;
- a low noise amplifier coupled to the output;
- a cryogenic cooling generation unit mounted near the base of the tower and cooling the wave guide cavity filter to cryogenic temperatures.
A wireless communication system comprising:
- a low noise amplifier;
- a wave guide cavity filter coupled to the low noise amplifier through a thermal connection and configured to act as a heat sink for the low noise amplifier;
- and
- a cryogenic refrigeration system cooling the wave guide cavity filter and the low noise amplifier to cryogenic temperatures.
A wireless communication system comprising:
- a heat exchange unit;
- a wave guide cavity filter having an output and disposed external to the heat exchange unit;
- a low noise amplifier located within the heat exchange unit and coupled to the output;
- and
- a cryogenic cooling generation unit cooling the low noise amplifier to cryogenic temperatures.
A wireless communication system comprising:
- a tower having an upper section and a base section;
- a heat exchange unit mounted on the upper section of the tower;
- a wave guide cavity filter having an output;
- a low noise amplifier located within the heat exchange unit and coupled to the output;
- a cryogenic cooling generation unit mounted near the base of the tower and cooling the low noise amplifier to cryogenic temperatures.
A system comprising:
- a cryogenic cooled container;
- a waveguide cavity filter;
- a cooling finger in thermal contact with the waveguide cavity filter and the cryogenic cooled container;
- and
- wherein the waveguide cavity filter occupies a first volume and a cooling head occupies a second volume which is substantially smaller than the first volume.
A wireless communication system comprising a low noise amplifier having a thermal connection to a wave guide cavity filter and a cryogenic refrigeration system cooling the wave guide cavity filter and the low noise amplifier to cryogenic temperatures and the waveguide cavity filter acts as a heat sink for the low noise amplifier.
A method of operating a wireless communication system comprising the steps of:
- providing a wave guide cavity filter within a heat exchange unit;
- coupling an input signal to the wave guide cavity filter;
- producing an unamplified filtered output signal with the wave guide cavity filter;
- providing a low noise amplifier external to the heat exchange unit;
- coupling the low noise amplifier to the unamplified filtered output signal;
- and
- cooling the wave guide cavity filter to cryogenic temperatures.
A method of operating a wireless communication system comprising the steps of:
- mounting a heat exchange unit on an upper section of a tower;
- providing a wave guide cavity filter within a heat exchange unit;
- coupling a low noise amplifier to the wave guide cavity filter;
- mounting a cryogenic cooling generation unit near a base of the tower;
- and
- cooling the wave guide cavity filter to cryogenic temperatures.
A method of operating a wireless communication system comprising the steps of:
- providing a low noise amplifier;
- coupling a wave guide cavity filter to the low noise amplifier through a thermal connection such that the wave guide cavity filter acts as a heat sink for the low noise amplifier;
- and
- cooling the wave guide cavity filter and the low noise amplifier to cryogenic temperatures.
A method of operating a wireless communication system comprising the steps of:
- providing a low noise amplifier within a heat exchange unit;
- directly coupling a wave guide cavity filter to the low noise amplifier;
- disposing the wave guide cavity filter external to the heat exchange unit;
- and
- cooling the low noise amplifier to cryogenic temperatures.
A method of operating a wireless communication system comprising the steps of:
- mounting a heat exchange unit on an upper section of a tower;
- providing a wave guide cavity filter;
- coupling a low noise amplifier to the wave guide cavity filter;
- disposing the low noise amplifier within the heat exchange unit;
- mounting a cryogenic cooling generation unit mounted near a base of the tower;
- and
- cooling the low noise amplifier to cryogenic temperatures.
Dependencies are inferred from the claim text.