RF receiver switches

A RF bypass switch comprising:

• a rotor,
• an elongate member disposed centrally through the rotor,
• an actuator assembly coupled to the elongate member and configured to rotate the elongate member, wherein rotation of the elongate member results in rotation of the rotor,
• a contact disposed on a surface of the rotor and in communication with a substrate, wherein the contact is configured to complete a first path or a second path,
• a first state wherein the contact completes the first path, and
• a second state wherein the contact completes the second path.

A HTS-based RF receiver comprising:

• a cryogenic enclosure in thermal communication with a cryocooler,
• a HTS filter having an input operatively coupled to a RF input, and an output coupled to a low noise amplifier, the low noise amplifier having an output coupled to a RF output, the HTS filter and the low noise amplifier being disposed within the cryogenic enclosure,
• a bypass system comprising a first switch, a second switch, and a bypass circuit disposed between the first switch and the second switch, wherein each switch comprises
• a first switch assembly comprising an elongate member and a magnet on an end of the elongate member, the magnet being coupled to a contact pad for the bypass circuit in a bypass state and coupled to a contact pad for a HTS circuit in a HTS state, the HTS circuit being in communication with the HTS filter,
• a second switch assembly comprising an elongate member and a magnet on an end of the elongate member, the magnet being coupled to a contact pad for the bypass circuit in a bypass state and coupled to a contact pad for the HTS in a HTS state, and
• an electromagnetic field source coupled to the first and second switch assemblies.

A HTS-based RF receiver comprising:

• a cryogenic enclosure in thermal communication with a cryocooler,
• a HTS filter having an input operatively coupled to a RF input, and an output coupled with a low noise amplifier, the low noise amplifier having an output coupled to a RF output, the HTS filter and the low noise amplifier being disposed within the cryogenic enclosure,
• a bypass system comprising a first switch, a second switch, and a bypass circuit disposed between the first bypass switch and the second bypass switch, wherein each bypass switch comprises
• a rotor,
• an elongate member disposed centrally through the rotor,
• an actuator assembly coupled to the elongate member and configured to rotate the elongate member, wherein rotation of the elongate member results in rotation of the rotor,
• a contact disposed on a surface of the rotor and in communication with a substrate, wherein the contact is configured to complete the bypass circuit in a bypass state and to complete a HTS circuit in a HTS state, the HTS circuit being in communication with the HTS filter.

A method of operating a RF receiver in a cryogenically cooled HTS RF filtering state and a bypass state, the method comprising the steps of:

• measuring an operating parameter of the RF receiver;
• and
• switching the RF receiver to the bypass state when the measured operating parameter is outside a pre-determined operating range, wherein switching the RF receiver to the bypass estate comprises
• applying an electromagnetic field to a switch having a switch assembly comprising an elongate member and a magnet, and
• terminating application of the electromagnetic field after the magnet of the switch assembly couples with the bypass circuit to complete the bypass circuit around a HTS RF filter.

A method of operating a RF receiver in a RF filtering active state and a bypass state, the method comprising the steps of:

• measuring an operating parameter of the RF receiver;
• and
• switching the RF receiver to the bypass state when the measured operating parameter is outside a pre-determined operating range, wherein switching the RF receiver to the bypass state comprises
• applying a force to a switch having a rotor with a contact in communication with a substrate, the substrate being in communication with a bypass circuit and a RF filtering active circuit, the RF filtering active circuit comprising a circuit in communication with a RF filter,
• rotating the rotor to form a disruption in the RF filtering active circuit, and
• continuing to rotate the rotor until the contact completes the bypass circuit.