Abstract: A method for processing data used in producing a coupler and related devices are provided. The method includes the following. Reference product data is determined, where the reference product data includes a preset spacing between a transmission line and a microstrip line of a coupler to be produced. A target production device is searched for according to the reference product data. Actual product data of a coupler that is produced by the target production device according to the reference product data is acquired. A target production error value is determined according to the actual spacing and the preset spacing. Target material information is searched for according to the target production error value. A production instruction message including the target material information is sent to the target production device to use a material determined according to the target material information to produce a dielectric layer of the coupler.

Abstract: A control circuit for a bridgeless power factor correction (PFC) circuit, a control method therefor, and a power supply system are provided. The control circuit includes a polarity determination module and a logic control module. The polarity determination module is configured to receive a sampling signal of an AC input voltage of the bridgeless PFC circuit. The polarity determination module is also configured to output a first digital signal when the sampling signal is a positive voltage signal, and output a second digital signal when the sampling signal is a negative voltage signal. The logic control module is configured to output a first driving signal to the bridgeless PFC circuit, when receiving the first digital signal and the preset pulse signal having a first level, and output a second driving signal to the bridgeless PFC circuit, when receiving the second digital signal and the preset pulse signal having a second level.

Abstract: A control circuit for a bridgeless power factor correction (PFC) circuit, a control method therefor, and a power supply system are provided. The control circuit includes a polarity determination module and a logic control module. The polarity determination module is configured to receive a sampling signal of an AC input voltage of the bridgeless PFC circuit. The polarity determination module is also configured to output a first digital signal when the sampling signal is a positive voltage signal, and output a second digital signal when the sampling signal is a negative voltage signal. The logic control module is configured to output a first driving signal to the bridgeless PFC circuit, when receiving the first digital signal and the preset pulse signal having a first level, and output a second driving signal to the bridgeless PFC circuit, when receiving the second digital signal and the preset pulse signal having a second level.

Abstract: A buck circuit and a control method for a buck circuit are provided. The buck circuit includes a voltage input end, a voltage output end, a resonant unit, a first switch-unit and a second switch-unit. The voltage input end is configured for input of a power supply voltage. The resonant unit includes a resonant inductor and a resonant capacitor that are connected in series. The resonant unit is connected between the voltage input end and the voltage output end. The buck circuit has a charging phase and a buck-output phase. In the charging phase, the first switch-unit is turned on, the second switch-unit is turned off, the resonant unit is charged by the power supply voltage inputted through the voltage input end, and the power supply voltage is output to the voltage output end. The buck circuit enters the buck-output phase when a current in the buck circuit becomes zero.

Abstract: A radio frequency power detection device and a radio frequency power detection system are provided. The radio frequency power detection device includes a first microstrip line, a second microstrip line, a voltage detection unit, a capacitor unit, and a distance testing unit. The first microstrip line is connected to a radio frequency power supply. The second microstrip line is disposed parallel to the first microstrip line and coupled to the first microstrip line, and a predetermined point on the second microstrip line is grounded. The voltage detection unit is connected to one end of the second microstrip line and is configured to detect a voltage of the second microstrip line. The capacitor unit is connected to the first microstrip line and the second microstrip line, or the predetermined point on the second microstrip line is grounded through the capacitor unit.

Abstract: A radio frequency (RF) power supply protection circuit and a wireless communication device are provided. The RF power supply protection circuit includes an RF power supply module, a power supply protection module, and an external device. The power supply protection module includes a protection module and a control module. The protection module is connected to the control module. The RF power supply module is connected to the protection module, the control module, and the external device. The RF power supply module is configured to convert an input DC into an RF alternating current signal, and configured to output the RF alternating current signal to the external device. The protection module is configured to output a first comparison result to the control module in response to detecting that an offset angle of a current in the RF power supply module is greater than a preset angle.

Abstract: A radio frequency (RF) circuit, an RF power-supply device, and a reactance compensation method are provided. The RF circuit includes an RF power supply, an RF output end, a transformer, a reactance compensation unit, and a transformation-ratio adjustment unit. The RF power supply is configured to provide RF power to a load. The transformer includes a primary winding and a secondary winding. The primary winding is connected between the RF power supply and the RF output end. The reactance compensation unit is connected in series with the secondary winding of the transformer, and is configured to selectively provide a compensatory reactance. When reactance compensation is required for the RF circuit, the reactance compensation unit is configured to provide the compensatory reactance and the transformation-ratio adjustment unit is configured to adjust the transformation ratio of the transformer, to compensate a reactance at a primary winding side of the RF circuit.

Abstract: An operating frequency regulation method for a radio frequency (RF) circuit, an operating frequency control circuit, and an RF power supply device are provided. The operating frequency regulation method for the RF circuit includes the following. The RF circuit is controlled to output to a load at different operating frequencies. A circuit parameter of the RF circuit during output of the RF circuit at each of the different operating frequencies is detected. A resonant frequency of the RF circuit is calculated based on the detected circuit parameter of the RF circuit during the output of the RF circuit at each of the different operating frequencies. An operating frequency of the RF circuit is regulated to the resonant frequency.

Abstract: The heat dissipation device includes a liquid-cooling plate and a heat-exchange fin. The liquid-cooling plate has a first surface, a second surface opposite to the first surface, and a first side surface connected to the first surface and the second surface, where the first surface is used for installing of electronic components, and the heat-exchange fin is disposed on the second surface. The liquid-cooling plate defines a cooling flow channel in the liquid-cooling plate, and defines a liquid inlet and a liquid outlet on the first side surface, where both the liquid inlet and the liquid outlet are in communication with the cooling flow channel.