A device comprising: first circuitry (118, 218) referenced to a first reference potential (106, 206); second circuitry (110, 111, 210) referenced to a second reference potential (175, 176, 275) and galvanically isolated from the first circuitry; and an inductive coupling (219, 319, 419) galvanically isolating the first circuitry and the second circuitry, the inductive coupling including a first winding referenced to the first reference potential and a second winding referenced to the second reference potential, wherein the first circuitry comprises signal reception circuitry coupled to the inductive coupling, wherein the signal reception circuitry comprises one or more signal receivers (224, 225, 524, 525) coupled to the first winding to receive signals transmitted over the inductive coupling, characterized by the one or more signal receivers comprising a first comparator (581, 582) coupled to compare at least a portion of the signals received from the inductive coupling with a first threshold (562, 579) having a first polarity relative to the first reference potential, and a second comparator (581, 582) coupled to compare at least a portion of the signals received from the inductive coupling with a second threshold (562, 579) having a second polarity relative to the first reference potential, wherein the first polarity is opposite the second polarity, wherein the second circuitry comprises signal transmission circuitry coupled to the inductive coupling, wherein the signal transmission circuitry comprises one or more signal transmitters (234, 235, 335, 434) coupled to drive current (236, 237, 337, 436) in a first direction through the second winding to transmit first signals and to drive current (236, 237, 337, 436) in a second direction through the second winding to transmit second signals, wherein the first direction is opposite the second direction. first circuitry (118, 218) referenced to a first reference potential (106, 206); second circuitry (110, 111, 210) referenced to a second reference potential (175, 176, 275) and galvanically isolated from the first circuitry; and an inductive coupling (219, 319, 419) galvanically isolating the first circuitry and the second circuitry, the inductive coupling including a first winding referenced to the first reference potential and a second winding referenced to the second reference potential, wherein the first circuitry comprises signal reception circuitry coupled to the inductive coupling, wherein the signal reception circuitry comprises one or more signal receivers (224, 225, 524, 525) coupled to the first winding to receive signals transmitted over the inductive coupling, characterized by the one or more signal receivers comprising a first comparator (581, 582) coupled to compare at least a portion of the signals received from the inductive coupling with a first threshold (562, 579) having a first polarity relative to the first reference potential, and a second comparator (581, 582) coupled to compare at least a portion of the signals received from the inductive coupling with a second threshold (562, 579) having a second polarity relative to the first reference potential, wherein the first polarity is opposite the second polarity, a first comparator (581, 582) coupled to compare at least a portion of the signals received from the inductive coupling with a first threshold (562, 579) having a first polarity relative to the first reference potential, and a second comparator (581, 582) coupled to compare at least a portion of the signals received from the inductive coupling with a second threshold (562, 579) having a second polarity relative to the first reference potential, wherein the first polarity is opposite the second polarity, wherein the second circuitry comprises signal transmission circuitry coupled to the inductive coupling, wherein the signal transmission circuitry comprises one or more signal transmitters (234, 235, 335, 434) coupled to drive current (236, 237, 337, 436) in a first direction through the second winding to transmit first signals and to drive current (236, 237, 337, 436) in a second direction through the second winding to transmit second signals, wherein the first direction is opposite the second direction.