Abstract: A self-protection circuitry is configured to receive a first power source. The self-protection circuitry includes a first transistor circuit, a first switch circuit, and a control circuit. The first transistor circuit includes a first input terminal, a first output terminal, and a first control terminal. The first output terminal is electrically connected to a ground terminal, and the first input terminal is configured to receive the first power source. The first switch circuit is electrically connected to the first control terminal and the first input terminal. The control circuit is electrically connected to the first switch circuit, and is configured to: before the first power source supplies power to the first transistor circuit, control the first switch circuit to be 10 conducted, and after the first power source continuously supplies power to the first transistor circuit, control the first switch circuit to be cut off.

Abstract: The present invention provides a calibration method of a transmitter, wherein the transmitter includes a power amplifier, a transformer, an adjusting circuit and a coupling circuit, wherein the power amplifier receives an input signal to generate an amplified input signal, the transformer receives the amplified input signal to generate an output signal, the adjusting circuit adjusts phase and amplitude of a common mode signal of the amplified input signal to generate a first signal, and the coupling circuit generates a coupled signal to the output signal according to the first signal. In addition, the calibration method includes: controlling the adjusting circuit to have a specific setting of the phase and amplitude adjustment for the common mode signal, to effectively eliminate a second harmonic generated due to the power amplifier, to improve electromagnetic interference and signal quality.

Abstract: A network control method is configured to control the transfer to stations connected to an access point or a router under an orthogonal frequency division multiple access (OFDMA) method. The network control method includes: obtaining first specification parameters of the stations; grouping the stations into a first group and a second group according to the first specification parameters; transferring with the stations belonging to the first group during a first period; and transferring with the stations belonging to the second group during a second period. The first period is different from the second period.

Abstract: A radio frequency apparatus includes a power amplifier circuit, a signal coupling circuit, an extraction circuit, and a harmonic filter circuit. The power amplifier circuit is configured to amplify a differential signal to output a to-be-filtered signal. The signal coupling circuit includes a primary side inductor and a secondary side inductor. The signal coupling circuit is configured to convert the to-be-filtered signal received by the primary side inductor into a single-ended signal outputted from the secondary side inductor. The extraction circuit has a center tap. The extraction circuit is configured to inductively couple to the primary side inductor and output a common mode signal from the center tap. The harmonic filter circuit is configured to perform a harmonic filtering on the single-ended signal according to the common mode signal, such that the secondary side inductor of the signal coupling circuit outputs a filtered signal.

Abstract: A time-interleaved analog to digital converter includes capacitor array circuits, first and second transfer circuits, a fine converter circuitry, a control circuitry, and an encoder circuit. The capacitor array circuits sample an input signal and generate first residues according to first quantization signals. The first and second transfer circuits transfer first and second residues respectively. The fine converter circuitry performs a signal conversion on the first and second residues according to a conversion control signal to generate a second quantization signal. The control circuitry generates a count signal according to the second quantization signal, and outputs the count signal as a switching signal. The capacitor array circuits generate the second residues in response to the signal conversion, and adjusts those residues according to the switching signal. The encoder circuit generates a digital output according to a corresponding first quantization signal and the second quantization signal.

Abstract: A charge pump includes a DAC (digital-to-analog converter) configured to draw a first current and a second current from a first node and a second node, respectively, in accordance with a first logical signal, a second logical, and a B-bit control word; a common-gate amplifier configured to provide a path for charge transfer between the second node and a third node in accordance with a third logical signal; an integrating capacitor connected to the second node and configured to be either discharged by the DAC or charged by the common-gate amplifier in accordance with a fourth logical signal; and a low-impedance active load connected to the first node.

Abstract: A wireless communication device includes a transceiver device and a data processing device. The transceiver device receives a frame from a wireless communication channel. The data processing device receives the frame and determines whether at least one of multiple predetermined frames has been received or is about to be received according to the frame. The data processing device enables a batch-frame indication mechanism when determining that said at least one of the multiple predetermined frames has been received or is about to be received. When the batch-frame indication mechanism is enabled, every time when one of the multiple predetermined frames is received, it is buffered in a reception queue instead of issuing a fetch indication, and when a number of predetermined frames buffered in the reception queue reaches a predetermined batch size, the data processing device issues the fetch indication to a back-end processing device.

Abstract: The present invention provides an image processing method, wherein the image processing method includes the steps of: receiving an image signal, wherein the image signal comprises a first frame and a second frame; performing motion estimation on the first frame and the second frame to generate an interpolated frame; for each of a plurality of areas of the interpolated frame, determining whether there is a block in the first frame that moves to the area, and determine whether there is a block in the second frame that moves to the area, to determine whether the area belongs to a cover area or an uncover area; and in response to a determination result indicating that the area belongs to the cover area or the uncover area, adjusting image contents of the interpolated frame.

Abstract: A Sigma Delta analog-to-digital converter (ADC) and a method for eliminating idle tones of the Sigma Delta ADC are provided. The Sigma Delta ADC includes a loop filter, a quantizer, an adder and a digital-to-analog converter (DAC). The loop filter performs filtering on a difference between an analog input signal and an analog feedback signal to generate a filtered signal. The quantizer is coupled to the loop filter, and generates a digital output signal according to the filtered signal. The adder is coupled to the quantizer, and adds a digital dithering signal to the digital output signal to generate a digital feedback signal. The DAC is coupled to the loop filter, and generates the analog feedback signal according to the digital feedback signal.

Abstract: A pre-roll circuit for an image sensing system is configured to receive a pre-stored image data through an image sensor and provide the pre-stored image data to a camera. The pre-roll circuit includes a first memory and a compressor circuit. The first memory is configured to store the pre-stored image data. The compressor circuit, coupled to the first memory, is configured to compress the pre-stored image data before the pre-stored image data is stored into the first memory.

Abstract: An analog to digital converter includes voltage divider circuits, front-end circuits, at least one converter circuit, and a controller circuit. The voltage divider circuits are configured to divide an input signal to generate first signals, in which the first signals have different levels. The front-end circuits are configured to respectively sample the first signals to generate second signals. The at least one converter circuit is configured to generate at least one digital output according to the second signals and a reference voltage. The controller circuit is configured to determine a level of the input signal according to the at least one digital output and select one of the at least one digital output according to the level of the input signal.

Abstract: A self-loopback radio transmitter having a transmitter with a modulator configured to up-convert a first baseband signal into a first RF (radio frequency) signal in accordance with a first LO (local oscillator) signal, and a power amplifier configured to receive the first RF signal and output a second RF signal to be emitted by an antenna and a third RF signal to be looped back, wherein the third RF signal is magnetically coupled from the second RF signal; and a loopback network having a shielded serial inductor configured to receive the third RF signal and output a fourth RF signal, and a demodulator configured to down-convert the fourth RF signal into a second baseband signal in accordance with a second LO signal, wherein the shielded serial inductor has a serial inductor of spiral topology and a coil laid out on a lower metal layer.

Abstract: A circuitry includes a multi-mode switching multiplexer, a control circuit and a receiver. The multi-mode switching multiplexer is arranged to receive multiple mode settings, and select one of the multiple mode settings as an output mode setting. The control circuit is arranged to generate a mode switching signal to control the multi-mode switching multiplexer. The receiver is arranged to set its internal components according to the output mode setting.

Abstract: An image processing system includes: a first image processing device for performing a first image enhancement process on a source image to generate a first enhanced image; one or more second images processing device, each of which is used to perform a second image enhancement processing on a size-reduced image generated based on the source image, and accordingly to output one or more second enhanced images whose size identical to the source image; and an output controller for analyzing regional frequency characteristics of the source image to generate an analysis result, determining one or more region weights according to the analysis result, and synthesize the first enhanced image with the one or more second enhanced images according to the one or more region weights, thereby to generate an output image.

Abstract: A processing circuit, a network device, and a processing method for anomaly detection are provided. The network device includes a processing circuit and network ports. The processing circuit includes a physical layer (PHY) transmission unit, a PHY control unit, a state detection unit, and a reset unit. The processing circuit performs steps of: switching from operating in the first operation state to operating in a second operation state by the PHY control unit according to an operation request; obtaining a current operation state of the PHY control unit by the state detection unit; determining whether the current operation state and the second operation state are identical by the state detection unit; and driving the reset unit to reset the PHY control unit to an initial state if the current operation state and the second operation state are not identical.

Abstract: A wireless communication method includes the following operations: adding a data message of a vendor of a first wireless communication device to a frame of a packet through a physical layer; transmitting, by the first wireless communication device, the packet to a second wireless communication device; analyzing, by the second wireless communication device, the packet to obtain the data message; determining, by the second wireless communication device, whether both of the vendor of the first wireless communication device and a vendor of the second wireless communication device are a predetermined vendor according to the data message; if both of the vendor of the first wireless communication device and the vendor of the second wireless communication device are the predetermined vendor, performing, by the second wireless communication device, a specific communication mode of the predetermined vendor to connect to the first wireless communication device.

Abstract: An IC layout of a pre-driving circuit, comprising: a plurality of type one transistor regions, having a density smaller than a predetermined level; and a type two bulk region, surrounding the type one transistor regions.

Abstract: A wireless signal transceiver device includes a receiver unit, a conversion module, an estimation module, a processing unit, and a storage unit. The receiver unit is configured to receive a wireless signal. The conversion module is electrically connected to the receiver unit and configured to convert the wireless signal into a frequency-domain signal. The estimation module is electrically connected to the conversion module and configured to estimate the frequency-domain signal so as to obtain first channel state information. The first channel state information includes a plurality of channel state information sub portions. The processing unit is electrically connected to the estimation module and configured to filter the first channel state information so as to obtain second channel state information. The storage unit is electrically connected to the processing unit and configured to store the second channel state information.

Abstract: A wireless communication device and a power saving method are provided. The wireless communication device includes a wireless communication circuit, a system chip, a wake-up controller, and a beacon communication circuit. The system chip is electrically connected to the wireless communication circuit. The system chip is configured to successively make the wireless communication circuit and the system chip sleep in response to a power saving demand and configured to receive a wake-up signal to successively awake the system chip and the wireless communication circuit. The wake-up controller is electrically connected to the system chip. The wake-up controller is configured to send the wake-up signal to the system chip. The beacon communication circuit is electrically connected to the wake-up controller. The beacon communication circuit is configured to send a beacon packet periodically according to a transmission period.

Abstract: An audio system is proposed, dynamically playing optimized audio signals based on user position. A sensor circuits dynamically senses a target space to generate field context information. First speaker and second speaker are arranged for audio playback. A host device recognizes a user from the field context information, determines the user position corresponding to the target space, and adaptively assigns the user position as a target listening spot. A sensor circuit contains a camera capturing an ambient image out of the target space. A recognizer circuit analyzes the ambient image to obtain from the target space, the location, size, and acoustic attribute information of an ambient object, allowing the control circuit to accordingly perform a channel-based compensation operation on the target listening spot to generate optimized first channel audio signal and second channel audio signal.