A method includes generating, based on a process recipe, a first electrical control signal by a processing device external to a particular radio frequency (RF) environment. The method further includes converting the first electrical control signal into an alternative control signal, transmitting the alternative control signal to a converter within the particular RF environment over a non-conductive communication link, and converting the alternative control signal into a second electrical control signal by the converter. The method further includes controlling a first plurality of elements via one or more switching devices using the second electrical control signal. The method further includes generating, based on the process recipe, a third signal by the processing device and controlling a second plurality of elements disposed outside of the RF environment using the third signal. The first plurality of elements and the second plurality of elements are controlled substantially simultaneously based on the process recipe.

A controller and a plurality of driver circuits may be configured to operate selectively either in a normal mode or in a diagnostic mode. In the normal mode, the controller is configured to transmit a drive signal to each driver circuit via a corresponding drive signal line. Each driver circuit is configured to drive corresponding switching element(s) in response to the drive signal and is further configured to output a failure signal when the driver circuit detects a failure related to the corresponding switching element(s). In the diagnostic mode, the controller is configured to sequentially transmit a request signal to the driver circuits via their corresponding drive signal lines, and each driver circuit is configured to output the failure signal in response to the request signal in a case of having detected the failure during operation in the normal mode.

A high voltage switch comprising: a high voltage power supply providing power greater than about 5 kV; a control voltage power source; a plurality of switch modules arranged in series with respect to each other each of the plurality of switch modules configured to switch power from the high voltage power supply, and an output configured to output a pulsed output signal having a voltage greater than the rating of any switch of the plurality of switch modules, a pulse width less than 2 s, and at a pulse frequency greater than 10 kHz.

A high voltage switch comprising: a high voltage power supply providing power greater than about 5 kV; a control voltage power source; a plurality of switch modules arranged in series with respect to each other each of the plurality of switch modules configured to switch power from the high voltage power supply, and an output configured to output a pulsed output signal having a voltage greater than the rating of any switch of the plurality of switch modules, a pulse width less than 2 s, and at a pulse frequency greater than 10 kHz.

Power isolators with multiple selectable feedback modes are described. The power isolators may transfer a power signal from a primary side to a second side. A feedback signal may be provided from the secondary side to the primary side to control generation of the power signal on the primary side. In this manner, the power signal provided to the secondary side may be maintained within desired levels. The feedback signal may be generated by feedback circuitry configurable to operate in different modes, such that the feedback signal may be of differing types depending on which feedback mode is implemented.

A high voltage switch comprising: a high voltage power supply providing power greater than about 5 kV; a control voltage power source; a plurality of switch modules arranged in series with respect to each other each of the plurality of switch modules configured to switch power from the high voltage power supply, and an output configured to output a pulsed output signal having a voltage greater than the rating of any switch of the plurality of switch modules, a pulse width less than 2 s, and at a pulse frequency greater than 10 kHz.

In a method for controlling a plurality of semiconductors that form a power converter, a protocol for controlling the plurality of semiconductors is transmitted via a signal line between a control unit and the semiconductors. Additionally transmitted via the signal line is a sign-of-life signal, wherein the semiconductors are switched off, when the sign-of-life signal is absent, and the semiconductors of the power converter are switched using optimized pulse patterns.

In a method for controlling a plurality of semiconductors that form a power converter, a protocol for controlling the plurality of semiconductors is transmitted via a signal line between a control unit and the semiconductors. Additionally transmitted via the signal line is a sign-of-life signal, wherein the semiconductors are switched off, when the sign-of-life signal is absent, and the semiconductors of the power converter are switched using optimized pulse patterns.

A DFB laser DC-coupled output power configuration scheme with adjustable voltage difference. utilizes an external or internal power configuration unit to provide two electric DC power supplies with a fixed voltage difference for the transmitting unit TX of the DFB laser and the optical transceiver integrated chip, and at the same time optimizes the transmitting unit TX. The optimization scheme is that: the transistors in the transmitting unit TX are all low-voltage high-speed tubes, the transmitting unit TX includes a negative capacitance structure composed of capacitors C1 and C2, serving as an auxiliary structure for improving bandwidth. After optimization, the minimum voltage of the power supply voltage port TVCC of the transmitting unit TX is 2.7V and the problems that the output eye diagram is severely cracked and cannot be used when the traditional DFB laser configuration scheme with an external 3.3V power supply is tested at high temperature are solved.

To suppress a leakage current flowing through a parasitic capacitor of an insulated transformer of a high-side insulated power. The present invention suppresses a common mode current using a common mode reactor by focusing on the fact that a leakage current flowing through a parasitic capacitor of an insulated transformer of a high-side insulated power source resulting from a high-frequency signal generated due to an on/off operation of a high-side switching element is the common mode current. The common mode reactor reduces the common mode current and bears the high-frequency signal to prevent the high-frequency signal from being applied to the insulated transformer of the high-side insulated power source, suppress the leakage current flowing through the parasitic capacitor of the insulated transformer, and reduce an erroneous operation of the high-side switching element generated due to the leakage current flowing through the parasitic capacitor of the insulated transformer.