Devices, systems and methods for multiple channel communication across an isolation barrier

A device, comprising:

• electronic circuitry;
• an isolation barrier galvanically isolating the electronic circuitry, the isolation barrier including a signal coupler configured to enable signaling over the isolation barrier via electromagnetic coupling;
• and
• transceiver circuitry configured to implement, based on a frequency response profile of the isolation barrier, full-duplex communication between the electronic circuitry of the device and electronic circuitry of another device using the same signal coupler,
• wherein the transceiver circuitry comprises an oscillator tuned to a first carrier frequency that corresponds to a first resonance frequency of the isolation barrier and a bandpass filter tuned to a second carrier frequency that is a harmonic of the first carrier frequency,
• wherein the transceiver circuitry is configured to simultaneously transmit the first carrier frequency modulated with first data via the oscillator and receive the second carrier frequency modulated with second data via the bandpass filter.

A device, comprising:

• electronic circuitry;
• an isolation barrier galvanically isolating the electronic circuitry, the isolation barrier including a signal coupler configured to enable signaling over the isolation barrier via electromagnetic coupling;
• and
• transceiver circuitry configured to implement, based on a frequency response profile of the isolation barrier, full-duplex communication between the electronic circuitry of the device and electronic circuitry of another device using the same signal coupler,
• wherein the transceiver circuitry comprises:
• a single oscillator having a carrier frequency;
• a variable reactance forming part of an equivalent reactance that is configured to shift the carrier frequency such that information encoding at the device is implemented by changing the variable reactance;
• and
• a filter circuit frequency tuned based on the variable reactance.

A device, comprising:

• electronic circuitry;
• an isolation barrier galvanically isolating the electronic circuitry, the isolation barrier including a signal coupler configured to enable signaling over the isolation barrier via electromagnetic coupling;
• and
• transceiver circuitry configured to implement, based on a frequency response profile of the isolation barrier, full-duplex communication between the electronic circuitry of the device and electronic circuitry of another device using the same signal coupler,
• wherein the isolation barrier has a wideband frequency response,
• wherein the transceiver circuitry comprises an oscillator for each carrier frequency included in a first group of carrier frequencies within the wideband frequency response and a bandpass filter tuned to each carrier frequency included in a second group of carrier frequencies within the wideband frequency response,
• wherein the transceiver circuitry is configured to simultaneously transmit a plurality of carrier frequencies from the first group modulated with first data via the oscillators and receive a plurality of carrier frequencies from the second group modulated with second data via the bandpass filters.

A device, comprising:

• a first electronic side;
• a second electronic side;
• an isolation barrier galvanically isolating the first electronic side and the second electronic side from one another, the isolation barrier including a signal coupler configured to enable signaling between the first and second electronic sides over the isolation barrier via electromagnetic coupling;
• and
• transceiver circuitry included in both the first and second electronic sides and configured to implement, based on a frequency response profile of the isolation barrier, full-duplex communication between the first and second electronic sides using the same signal coupler,
• wherein the transceiver circuitry comprises:
• a first oscillator on the first electronic side and tuned to a first carrier frequency that corresponds to a first resonance frequency of the isolation barrier;
• a second oscillator on the second electronic side and tuned to a second carrier frequency that corresponds to a second resonance frequency of the isolation barrier;
• a first bandpass filter on the first electronic side and tuned to the second carrier frequency;
• and
• a second bandpass filter on the second electronic side and tuned to the first carrier frequency,
• wherein the transceiver circuitry is configured to simultaneously transmit the first carrier frequency modulated with first data via the first oscillator and the second carrier frequency modulated with second data via the second oscillator,
• wherein the transceiver circuitry is configured to simultaneously recover the second data via the first bandpass filter and the first data via the second bandpass filter.

A device, comprising:

• a first electronic side;
• a second electronic side;
• an isolation barrier galvanically isolating the first electronic side and the second electronic side from one another, the isolation barrier including a signal coupler configured to enable signaling between the first and second electronic sides over the isolation barrier via electromagnetic coupling;
• and
• transceiver circuitry included in both the first and second electronic sides and configured to implement, based on a frequency response profile of the isolation barrier, full-duplex communication between the first and second electronic sides using the same signal coupler,
• wherein the transceiver circuitry comprises:
• a single oscillator on the first electronic side and having a carrier frequency;
• a first variable reactance on the first electronic side;
• a second variable reactance on the second electronic side, the first variable reactance and the second variable reactance forming an equivalent reactance that is configured to shift the carrier frequency to one of a plurality of shifted frequencies;
• a first filter circuit on the first electronic side and having a bandpass filter tuned for the one of the plurality of shifted frequencies;
• and
• a second filter circuit on the second electronic side and having a bandpass filter tuned for the one of the plurality of shifted frequencies.

A device, comprising:

• a first electronic side;
• a second electronic side;
• an isolation barrier galvanically isolating the first electronic side and the second electronic side from one another, the isolation barrier including a signal coupler configured to enable signaling between the first and second electronic sides over the isolation barrier via electromagnetic coupling;
• and
• transceiver circuitry included in both the first and second electronic sides and configured to implement, based on a frequency response profile of the isolation barrier, full-duplex communication between the first and second electronic sides using the same signal coupler,
• wherein the isolation barrier has a wideband frequency response,
• wherein the transceiver circuitry comprises:
• an oscillator on the first electronic side for each carrier frequency included in a first group of carrier frequencies within the wideband frequency response;
• an oscillator on the second electronic side for each carrier frequency included in a second group of carrier frequencies within the wideband frequency response;
• a bandpass filter on the first electronic side tuned to each carrier frequency included in the second group of carrier frequencies;
• and
• a bandpass filter on the second electronic side tuned to each carrier frequency included in the first group of carrier frequencies,
• wherein the transceiver circuitry is configured to simultaneously transmit a plurality of carrier frequencies from the first group modulated with first data via the oscillators on the first electronic side and a plurality of carrier frequencies from the second group modulated with second data via the oscillators on the second electronic side,
• wherein the transceiver circuitry is configured to simultaneously recover the second data via the bandpass filters on the first electronic side and the first data via the bandpass filters on the second electronic side.