In accordance with an embodiment, a semiconductor component, includes a common mode filter monolithically integrated with a protection device. The common mode filter includes a plurality of coils and the protection device has a terminal coupled to a first coil and another terminal coupled to a second coil.

The network filtering circuit includes a cable side for connection with a network cable, a physical side for connection with a mother board, and a plurality of transmission channels connected between the cable side and the physical side. Each of the transmission channels includes a first transmission line and a second transmission line with a CMC linked therebetween. Two filtering (Y type) capacitors are further linked between the first transmission line and the second transmission line with a middle line connected between the two filtering capacitors and having an extension line wherein in such an extension line there are a resistor and an optional adjusting capacitor to a ground node at the end in series connection

The network filtering circuit includes a cable side for connection with a network cable, a physical side for connection with a mother board, and a plurality of transmission channels connected between the cable side and the physical side. Each of the transmission channels includes an autotransformer with a center tap sequentially connected by a capacitor and a resistor in series connection wherein a power supply is connected to a position of a circuit between the capacitor and the center tap, and another capacitor having a higher capacitance is linked to the resistor opposite to the capacitor. All transmission channels share the same capacitor having the higher capacitance to a same ground node.

An LC filter that is able to obtain high insertion loss in a high-frequency band. The LC filter includes: a core including a core portion and a pair of flange portions formed at both sides of the core portion; a winding; and a pair of signal outer electrodes. At least one of the pair of flange portions is composed of a multilayer body in which inner electrodes and dielectric layers are alternately laminated, and includes a ground outer electrode. The inner electrodes include a first inner electrode and a second inner electrode alternately arranged. The first inner electrode is connected to the signal outer electrode, and the second inner electrode is connected to the ground outer electrode.

A common mode filter includes: a coil part including a plurality of coil layers, each coil layer having at least one coil and a lead terminal connected to a first end of the coil, and a conductive via connecting the lead terminals to each other; a first magnetic layer disposed on the coil part; a second magnetic layer disposed below the coil part; and external electrodes connected to the lead terminals and exposed to the surface of the common mode filter.

A novel and useful transmitter (TX) architecture for ultra-low power (ULP) radios. An all-digital PLL employs a digitally controlled oscillator (DCO) having switching current sources to reduce supply voltage and power consumption without sacrificing phase noise and startup margins. It also reduces 1/f noise allowing the ADPLL after settling to reduce its sampling rate or shut it off entirely during direct DCO data modulation. A switching power amplifier integrates its matching network while operating in class-E/F.sub.2 to maximally enhance its efficiency. The transmitter has been realized in 28 nm CMOS and satisfies all metal density and other manufacturing rules. It consumes 3.6 mW/5.5 mW while delivering 0 dBm/3 dBm RF power in Bluetooth Low-Energy.

An apparatus for operating at least two antennas for a motor vehicle. The apparatus has a switching device to be coupled to the at least two antennas and to perform at least one switching process for changing a respective input capacitance of one antenna of the at least two antennas. A multiplexing device is configured to select one of the at least two antennas for near field communication and to connect it to an output. The multiplexing device and the switching device are configured, when changing over from a first antenna having a first input capacitance to a second antenna having a second input capacitance, to match the second input capacitance to the first input capacitance by performing the switching process.

The present invention relates to an interference suppression filter for a DC motor (2), comprising two inductors (11, 12) each arranged in a supply line (31, 32) and a Cx capacitor (13) arranged between the supply lines (31, 32) as well as a Cy capacitor (14) arranged between one of the two supply lines (31, 32) and earth (M), wherein the impedances of the inductors (11, 12), of the Cx capacitor (13) and/or of the Cy capacitor (14) are dimensioned in such a manner that a high-frequency interference current which flows in the other of the two supply lines flows away via the Cx capacitor (13) and the Cy capacitor (14). The present invention also relates to a DC motor having the interference suppression filter.

A method and an apparatus for suppressing electromagnetic interference are disclosed. The method includes: receiving a signal from an IC end and performing common-mode suppression processing on the received signal, to at least eliminate or mitigate an interference signal mixed in the received signal and performing coupling processing on the signal on which common-mode suppression processing has been performed, to at least obtain a signal having an enhanced driving capability, and sending the signal to a network interface end. According to embodiments of the present disclosure, because first a signal from an IC end is received and common-mode suppression processing is performed on the received signal, at least an interference signal is eliminated or mitigated in advance; next, coupling processing is then performed on the signal on which common-mode suppression processing has been performed, to at least obtain a signal having an enhanced driving capability, and the signal is sent to the network interface end.

A common mode filter coupled to a protection device. In accordance with an embodiment, the common mode filter has first and second coils, each coil having a spiral shape, a central region, an exterior region, a first terminal, and a second terminal, wherein the first terminal of the first coil is formed in a first portion of the central region, the first terminal of the second coil is formed in a second portion of the central region, and wherein the central region is laterally bounded by the first and second coils and the exterior region is not surrounded by the first and second coils. The protection device has a first terminal coupled to the first terminal of the first coil and a second terminal coupled to the first terminal of the second coil.