Abstract: A signal isolator integrated circuit package includes a first circuit having a first input and a first output, a second circuit having a second input and a second output, an isolation barrier layer between the first circuit and the second circuit, wherein the second output of the second circuit is coupled to the first input of the first circuit through the isolation barrier. The signal isolator includes a comparator configured to compare the first input of the first circuit to the second output of the second circuit. The second output can be configured to convey at least three states, including a first state indicative of a logical high of an input signal received at the first input, a second state indicative of a logical low of the input signal, and a third state indicative of a fault condition.

Abstract: Methods and apparatus for a signal isolator IC package including a die having a first die portion isolated from a second die portion. The first die portion is surrounded on six sides by first insulative material and the second die portion is surrounded on six sides by second insulative material. The first die portion provides a first voltage domain and the second die portion provides a second voltage domain. The signal isolator comprises a first signal path between the first die portion and the second die portion, wherein the first signal path is isolated with respect to the first and second die portions.

Abstract: Methods and apparatus for an IC package having an impedance detector module configured to have: a first connection to a first external energy source via a first IO pin of the IC package and a second connection to a detection component. In embodiments, the detection component is configured for connection to a first ground for the first external energy source via a second IO pin of the IC package, and to a barrier component, which is configured for connection to a second ground for a second external energy source via a third IO pin of the IC package. The impedance detector module is configured to detect a disconnection or degradation of a connection to ground.

Abstract: Methods and apparatus for a signal isolator having reduced parasitics. An example embodiment, a signal isolator and include a first metal region electrically connected to a first die portion, a second die portion isolated from the first die portion, and a second metal region electrically connected to the second die portion. A third metal region can be electrically isolated from the first and second metal regions and a third die portion can be electrically isolated from the first, second and third metal regions. In embodiments, the first metal region, the second metal region, and the third metal region provide a first isolated signal path from the first die portion to the second die portion.

Abstract: Methods and apparatus for an integrated circuit having first and second domains with an insulative material electrically isolating the first and second domains. A conductive shield is disposed between the first and second domains and a current sensor has at least one magnetoresistive element proximate the shield to detect current flow in the shield due to breakdown of the insulative material.

Abstract: Methods and apparatus for monitoring the integrity of an insulative material. A monitoring module detects a leakage current corresponding to an injection signal into the insulative material by a signal source. An output can provide an insulation fault signal when the leakage current is greater than a given threshold.

Abstract: Methods and apparatus for transmitting signals that are magnetically latched at a receiver. In embodiments, a signal isolator comprises a transmitter and a receiver on separate die. Signal disruptions may be minimized. In embodiments, the transmitter and/or receiver can be monitored for proper operation.

Abstract: Methods and apparatus for an integrated circuit having first and second domains with an insulative material electrically isolating the first and second domains. A conductive shield is disposed between the first and second domains and a current sensor has at least one magnetoresistive element proximate the shield to detect current flow in the shield due to breakdown of the insulative material.

Abstract: Methods and apparatus for transmitting signals that are magnetically latched at a receiver. In embodiments, a signal isolator comprises a transmitter and a receiver on separate die. Signal disruptions may be minimized. In embodiments, the transmitter and/or receiver can be monitored for proper operation.

Abstract: Methods and apparatus for transmitting signals that are magnetically latched at a receiver. In embodiments, a signal isolator comprises a transmitter and a receiver on separate die. Signal disruptions may be minimized. In embodiments, the transmitter and/or receiver can be monitored for proper operation.

Abstract: A signal isolator integrated circuit package includes a first die in a first voltage domain and a second die in a second voltage domain. The integrated circuit package also includes a first signal path from the first die to the second die via a first isolation barrier supported by the first die. The first isolation barrier includes a first conductive layer disposed over a surface of the first die and a first insulating layer disposed over the first conductive layer. The first isolation barrier also includes a second insulating layer disposed over the first insulating layer and a second conductive layer disposed over the second insulating layer. A first floating conductive plate is disposed between the first insulating layer and the second insulating layer.

Abstract: Methods and apparatus for a signal isolator having inductive and capacitive coupling. In embodiments, magnetic and electric fields are coupled by coils and capacitive plates. In embodiments, a floating plate can enable a top and bottom capacitive plate to be offset from each other.

Abstract: A system and apparatus for compensating cable losses in a video signal transmission system includes feedback circuits to determine the spectral attenuation of a received signal and to control an equalizer circuit to amplify selected frequencies of the received signal, and to determine the various times of arrival of two or more video signals and selectively adjust one or more delay lines to reduce the differences in their arrival times.

Abstract: A compound video cable has a drive interface, a receive interface with a differential-to-single ended converter, and a differential mode data wired transmission medium connected to the drive interface and the receive interface. The differential-to-single ended converter is configured to convert differential mode signals into single ended signals.

Abstract: A system and apparatus for compensating cable losses in a video signal transmission system includes feedback circuits to determine the spectral attenuation of a received signal and to control an equalizer circuit to amplify selected frequencies of the received signal, and to determine the various times of arrival of two or more video signals and selectively adjust one or more delay lines to reduce the differences in their arrival times.

Abstract: A compound video cable has a drive interface, a receive interface with a differential-to-single ended converter, and a differential mode data wired transmission medium connected to the drive interface and the receive interface. The differential-to-single ended converter is configured to convert differential mode signals into single ended signals.