The invention relates to a surge detector comprising a transformer comprising a primary winding arranged to receive a fraction of a surge current and a secondary winding magnetically coupled to the primary winding and arranged to output a signal representing the fraction of the surge current. The surge detector further comprises a shunt connection in parallel with the primary winding, wherein the impedance of the shunt connection is lower than the impedance of the primary winding.

To provide a substrate for a medical device and a medical device in which the reference potential of a patient circuit can be stabilized, the noise between the patient circuit and a ground-side circuit can be reduced, and the insulation distance between the patient circuit and the ground-side circuit can be sufficiently ensured without using a large-sized electronic component.

A patient circuit that is a circuit on the side of being brought into contact with or inserted into a subject, a ground-side circuit that is a circuit provided on the side of performing processing on a signal transmitted from the side of being brought into contact with or inserted into the subject and protectively grounded, an insulating layer provided between the patient circuit and the ground-side circuit and providing insulation between the patient circuit and the ground-side circuit, and an isolated circuit provided apart from the patient circuit and the ground-side circuit on the surface of the insulating layer and having a different reference potential from the patient circuit and the ground-side circuit are included.

A method of forming an electronic device is described which comprises a stack of electronic components wherein each electronic component comprises a face and external terminations. A component stability structure is attached to at least one face. A circuit board is provided wherein the circuit board comprises circuit traces arranged for electrical engagement with the external terminations. The component stability structure mechanically engages with the circuit board and inhibits the electronic device from moving relative to the circuit board.

A surge protection device includes, in one embodiment, a reversible surge responder operative to engage an inner conductor engager during a protect mode and disengage the inner conductor engager during a normal mode. The surge responder returns to the normal mode from the protect mode without the intervention of an operator or service technician to replace or re-set the surge responder.

An electronic device is provided. The electronic device includes a housing, an antenna radiating body including a conductive metal, a first member disposed within the housing and electrically connected to the antenna radiating body, a printed circuit board (PCB) disposed within the housing, a flexible connecting member disposed between at least a portion of the first member and at least a portion of a second member and including a conductive material, and a capacitor including a first conductive plate that contacts the second member or formed by a portion of the second member, a second conductive plate, separated from the first conductive plate and electrically connected to the PCB, and a dielectric layer inserted between the first conductive plate and the second conductive plate.

A data transmission circuit board, a mobile industry processor interface and a device are provided. The data transmission circuit board includes: a wiring substrate; a plurality of data transmission line pairs on one side of the wiring substrate; and a plurality of transient voltage suppression diodes on the one side of the wiring substrate. Data transmission lines of the data transmission line pairs are coupled to the transient voltage suppression diodes in a one-to-one correspondence, the line width of at least one data transmission line is within a line width threshold range; and the transient voltage suppression diode is configured to discharge when a voltage to ground on the corresponding data transmission line is greater than a discharge voltage threshold, wherein the discharge voltage threshold is not less than a maximum voltage value of the differential signal transmitted on the data transmission line.

A bi-directional solid state switch includes: a first bus bar; a second bus bar; a first solid state switch implemented on a first printed circuit board (PCB), the first solid state switch including: a first control terminal; a first terminal electrically connected to the first bus bar; and a second terminal; and a second solid state switch implemented on a second PCB, the second solid state switch including: a second control terminal; a third terminal electrically connected to the second terminal of the first solid state switch; and a fourth terminal electrically connected to the second bus bar.

A data transmission circuit board, a mobile industry processor interface and a device are provided. The data transmission circuit board includes: a wiring substrate; a plurality of data transmission line pairs on one side of the wiring substrate; and a plurality of transient voltage suppression diodes on the one side of the wiring substrate. Data transmission lines of the data transmission line pairs are coupled to the transient voltage suppression diodes in a one-to-one correspondence, the line width of at least one data transmission line is within a line width threshold range; and the transient voltage suppression diode is configured to discharge when a voltage to ground on the corresponding data transmission line is greater than a discharge voltage threshold, wherein the discharge voltage threshold is not less than a maximum voltage value of the differential signal transmitted on the data transmission line.

A printed circuit board includes a line formation layer including a differential line having a first conductor and a second conductor, a first component for a countermeasure against a surge, a first connection conductor having one end connected to the first conductor and another end connected to the first component, a second component for a countermeasure against a surge, a second connection conductor having one end connected to the second conductor and another end connected to the second component, a ground layer, and a dielectric mounted between the line formation layer and the ground layer. Lengths of the first conductor and second conductor are adjusted based on a difference of capacitance values in the circuit board.

Various embodiments of laminated planar bus structures that minimize electromagnetic interference (EMI) and parasitic inductance are described. In one embodiment, a laminated planar bus structure may include a plurality of stacked conductive layers and a plurality of stacked insulation layers. The plurality of stacked conductive layers may include positive and negative conductive layers, and conductive ground layers stacked as outer layers as to enclose vertically the positive and the negative conductive layers. In another embodiment, the laminated planar bus structure may include a middle ground layer stacked in between the positive and the negative conductive layers to provide additional reduction in electric field strength. A laminated planar bus structure that is integrated with other power electronics components is also presented.