Abstract: A reference voltage stabilization apparatus is disclosed, having an input node for receiving a reference voltage, an output node for coupling with a load, a voltage buffer coupled between the input node and the output node, a charge storage device coupled with the output node, and a charging/discharging circuit coupled with the charge storage device for charging or discharging the charge storage device. The voltage buffer and the charged/discharged charge storage device are coupled with the load so that the voltage at the load equals the reference voltage after a period of time.

Abstract: A phase calibration device comprises: an oscillator for generating a reference clock; a phase-lock-loop for generating an input clock by the reference clock; a multiphase clock generator for generating a plurality of output clocks by the input clock; a selector for selecting one of the output clocks as an operation clock; an analog-to-digital convertor for performing analog-to-digital conversion to input data by the operation clock to generate a conversion result; a control circuit for generating parameters according to the conversion result and controlling the selector to do selection; and a phase calibration circuit for outputting a calibration signal and the input clock of the phase-lock-loop to the multiphase clock generator after restarting the phase-lock-loop, so that the multiphase clock generator can correctly regenerate the output clocks by the calibration signal and the input clock, and then the control circuit controls the selector to do selection by the parameters.

Abstract: A successive approximation register analog-to-digital converter and a conversion time calibration method thereof are provided. The successive approximation register analog-to-digital converter includes a conversion circuit and a conversion time calibration apparatus. The conversion circuit has a conversion time under a process, voltage, and temperature (PVT) variation. The conversion time calibration apparatus is configured to detect a conversion time condition and adjust the conversion time of the conversion circuit according to the conversion time condition.

Abstract: A device of inductance detection, which includes: a controller, a current pulse generator, and a detector. The controller generates a control signal and an enable signal to the switching regulator according to a judge signal. The switching regulator then generates an output voltage. The current pulse generator is coupled to the controller and generates a current pulse signal to the object according to the control signal. The detector is coupled to the object and the current pulse generator, and is used to detect a reflective signal responded by the object after the object receives the current pulse signal. The detector then generates a judge signal according to the reflective signal.

Abstract: A phase calibration device comprises: an oscillator for generating a reference clock; a phase-lock-loop for generating an input clock by the reference clock; a multiphase clock generator for generating a plurality of output clocks by the input clock; a selector for selecting one of the output clocks as an operation clock; an analog-to-digital convertor for performing analog-to-digital conversion to input data by the operation clock to generate a conversion result; a control circuit for generating parameters according to the conversion result and controlling the selector to do selection; and a phase calibration circuit for outputting a calibration signal and the input clock of the phase-lock-loop to the multiphase clock generator after restarting the phase-lock-loop, so that the multiphase clock generator can correctly regenerate the output clocks by the calibration signal and the input clock, and then the control circuit controls the selector to do selection by the parameters.

Abstract: An impedance calibration device includes: a variable impedance, an operational unit, an analog-digital converter, and a controller. The operational unit receives a first analog signal and a second analog signal, and performs a difference operation to generate an output voltage. The analog-digital converter generates an adjustment code according to the output voltage. The controller is coupled to the analog-digital converter and the variable impedance, and adjusts a resistance value of the variable impedance according to the adjustment code.

Abstract: A switch circuit comprising: a plurality of switches; a switching module; and a capacitor, having a first terminal and a second terminal, wherein the first terminal is coupled to a predetermined voltage, and the second terminal is coupled to a control terminal of at least the switch in a conductive mode via the switching module, to thereby control a conductive state for the at least one switch.

Abstract: The present invention provides a transceiver with power-saving function and the method thereof, in which when the network is on link-down status, the transmitter will enter the power-saving mode, and with an auxiliary circuit to provide a comfortable common-mode voltage and to present comfortable impedance matching to save the power consumption.

Abstract: A signal generating apparatus, for generating a power-on-reset signal, including a bias circuit and a power-on-reset signal generating circuit is disclosed. The bias circuit is for generating an output bias voltage, and includes at least one bipolar junction transistor (BJT), wherein a base terminal of the BJT is coupled to a collector terminal of the BJT, and the output bias voltage is related to an emitter-to-base voltage of the BJT. The power-on-reset signal generating circuit is coupled to the bias circuit, and is for generating a duplicated voltage by duplicating the output bias voltage, wherein the power-on-reset signal is generated according to the duplicated voltage.

Abstract: The disclosure is a device of inductance detection, which includes: a controller, a current pulse generator, and a detector. The controller generates a control signal and an enable signal to the switching regulator according to a judge signal. The switching regulator then generates an output voltage. The current pulse generator is coupled to the controller and generates a current pulse signal to the object according to the control signal. The detector is coupled to the object and the current pulse generator, and is used to detect a reflective signal responded by the object after the object receives the current pulse signal. The detector then generates a judge signal according to the reflective signal.

Abstract: A reference voltage stabilization apparatus is disclosed, having an input node for receiving a reference voltage, an output node for coupling with a load, a voltage buffer coupled between the input node and the output node, a charge storage device coupled with the output node, and a charging/discharging circuit coupled with the charge storage device for charging or discharging the charge storage device. The voltage buffer and the charged/discharged charge storage device are coupled with the load so that the voltage at the load equals the reference voltage after a period of time.

Abstract: The present invention provides a transceiver with power-saving function and the method thereof, in which when the network is on link-down status, the transmitter will enter the power-saving mode, and with an auxiliary circuit to provide a comfortable common-mode voltage and to present comfortable impedance matching to save the power consumption.

Abstract: The present invention provides a dynamic voltage generation device and the usage method thereof, which is used to output the dynamic voltage and adjust the sampling resistance of the sampling switch. The device comprises a reference switch, ensuring that if the reference switch is matched with the sampling switch, the reference resistance of the reference switch is equal to the sampling resistance. The reference switch obtains the reference resistance based on a fixed voltage and a reference current, wherein the ratio of fixed voltage to reference current is the target resistance. The feedback circuit is coupled with the reference switch to output the dynamic voltage to the reference switch and the sampling switch, and adjusting the dynamic voltage based on the fixed voltage and the reference current, so that the reference resistance is equal to the target resistance.