Abstract: A method of using NC-MRA to generate pelvic veins images and measure rate of blood flow includes subjecting a lay patient to undergo magnetic resonance scan in cooperation with an ECG monitor and a respiration monitor; scanning coronary sections and transverse sections of kidney veins, lower cavity veins, common iliac veins, and external iliac veins to generate two-dimensional images wherein the two-dimensional images use balanced turbo field echo wave sequence; scanning coronary sections of common cardinal veins of abdominal cavity to generate three-dimensional images wherein the three-dimensional images use fast spin-echo short tau inversion recovery wave sequence and sample signals when the ECG monitor monitors myocardial contractility; and using quantification phase-contrast analysis to measure blood flowing through the transverse sections of the veins in a two-dimensional scan.

Abstract: An electronic component is provided. The electronic component includes a substrate, an III-V die and a silicon die. The III-V die is disposed on the substrate. The silicon die is stacked to the III-V and electrically connected to the III-V die.

Abstract: An electronic component is provided. The electronic component includes a substrate, an III-V die and a silicon die. The III-V die is disposed on the substrate. The silicon die is stacked to the III-V and electrically connected to the III-V die.

Abstract: The present invention relates to a low loss antenna switch. The antenna switch comprises a plurality of switch module and a plurality of transmitting/receiving terminals, wherein one end of each switch module is connected to an antenna unit and the other end of each switch module is connected to each transmitting and receiving end respectively. Further, each switch module comprises a plurality of switch units in series, wherein the width of at least one switch unit is smaller than other switch units of each switch module. Thus, the parasitic capacitance of the off-stage switch modules can be reduced, and VSWR (Voltage Standing Wave Ratio) of the antenna switch also can be improved.

Abstract: A low-noise amplifier (LNA), a folded low-noise amplifier (folded LNA) and an amplifier circuit module are provided. The LNA includes a plurality of radio frequency (RF) input stages, at least one bias transistor and at least one radio frequency (RF) output stage. The bias transistor is connected to the RF input stages to provide a DC bias source to one of the RF input stages for isolating others of the RF input stages. The RF output stage is connected in parallel with the RF input stages, which share an adjustable input inductor.

Abstract: A radio frequency (RF) system including a transceiver and an RF front-end circuit is provided. The transceiver has a signal transmitting port, which selectively transmits a first RF signal or a second RF signal, wherein the first RF signal corresponds to a first communication mode and a first band, and the second RF signal corresponds to a second communication mode and a second band. The RF front-end circuit is coupled to the transceiver, and includes a transmission path switch and an antenna switch. The transmission path switch electrically couples the signal transmitting port to a selected signal transmission path of a plurality of signal transmission paths. The antenna switch is coupled to the signal transmission paths, and electrically couples the selected signal transmission path to the antenna module.

Abstract: The present invention is related to a communication device capable of self-detecting operation status and detecting method thereof. The communication device comprises at least one communication module and a control module. The communication module is capable of self-detecting operation status, so as to generate at least one status information. The control module is allowed to read out the status information of the communication module via a Mobile Industry Processor Interface (MIPI). When the need for the adjustment of operation status of the communication module is diagnosed by the control module, a control signal is generated, and the control signal is transmitted to the communication module via the MIPI, so as to adjust operation status of the communication module. As such, the communication module may be operated under its best status, and also reduce the probability of overheating or abnormal operation.

Abstract: A wideband front-end device comprises a wideband amplifying module and a plurality of narrow band filters. The wideband amplifying module comprises an input end, a plurality connecting ends and at least one receiving end. A wideband transmitting RF signal can be transmitted to one of the connecting ends from the input end according to the frequency band thereof. Thus, the wideband transmitting RF signal can be divided into several narrow band signals with different frequency bands. Each narrow band signal with different frequency bands is transmitted to different connecting ends and narrow band filters respectively. Therefore, each narrow band filter can be used to filter wideband transmitting RF signal or narrow band signals with different frequency bands respectively to reduce production costs of the wideband front-end device.

Abstract: An impedance detecting and adjusting circuit includes an impedance adjusting unit, a frequency band detection source and a controller. The impedance adjusting unit is disposed in a radio frequency front end device. The radio frequency front end device includes one or more than one transmission port. The frequency band detection source is selectively coupled to the target transmission port of the one or more than one transmission port for transmitting the scan signals having different frequencies to the target transmission port to detect a corresponding operating frequency band of the target transmission port. The controller is coupled to the impedance adjusting unit for adjusting the impedance adjusting unit according to the measured operating frequency band and making the target transmission port achieve impedance matching at least in the operating frequency band thereof.

Abstract: The present invention relates to a method for compensating a power amplification unit of a wireless RF module that includes a baseband unit, a RF transceiver unit, a power amplification unit and a control unit. The baseband unit is connected to the power amplification unit through the control unit and the RF transceiver unit. Based on the characteristic of the power amplification unit, the baseband unit provides a control signal to regulate the output signal characteristic of the power amplification unit, or provides a RF transceiver unit control signal to regulate the characteristics of the RF signal being transmitted by the RF transceiver unit to the power amplification unit, or to regulate the characteristics of the baseband signal being transmitted to the RF transceiver unit, enabling the characteristics of the output signal of the power amplification unit to meet the specifications of the related system.

Abstract: The present invention relates to a control method of an RF switch module. The RF switch module comprises a control device and a switch device. The control device is electrically connected to the switch device, and the control device is able to provide a control voltage to the switch device, and turn on or turn off the switch device. Further, the control device determines frequency or voltage value of the control voltage provided to the switch device according to the power or frequency of an RF signal transmitted by the switch device.

Abstract: A low-noise amplifier (LNA), a folded low-noise amplifier (folded LNA) and an amplifier circuit module are provided. The LNA includes a plurality of radio frequency (RF) input stages, at least one bias transistor and at least one radio frequency (RF) output stage. The bias transistor is connected to the RF input stages to provide a DC bias source to one of the RF input stages for isolating others of the RF input stages. The RF output stage is connected in parallel with the RF input stages, which share an adjustable input inductor.

Abstract: An RF front-end module includes a transmitting/receiving terminal, a control unit, a first transmitting block and a second transmitting block. The first transmitting block and the second transmitting block connect the transmitting/receiving terminal and the control unit. The control unit controls on or off status of the first transmitting block and the second transmitting block. Thus, the first transmitting block and the second transmitting block can send a signal to the transmitting/receiving terminal directly without pass through any switch unit, avoiding extra signal loss on switch unit.

Abstract: A wideband front-end device comprises a wideband amplifying module and a plurality of narrow band filters. The wideband amplifying module comprises an input end, a plurality connecting ends and at least one receiving end. A wideband transmitting RF signal can be transmitted to one of the connecting ends from the input end according to the frequency band thereof. Thus, the wideband transmitting RF signal can be divided into several narrow band signals with different frequency bands. Each narrow band signal with different frequency bands is transmitted to different connecting ends and narrow band filters respectively. Therefore, each narrow band filter can be used to filter wideband transmitting RF signal or narrow band signals with different frequency bands respectively to reduce production costs of the wideband front-end device.

Abstract: The present invention relates to a control method of an RF switch module. The RF switch module comprises a control device and a switch device. The control device is electrically connected to the switch device, and the control device is able to provide a control voltage to the switch device, and turn on or turn off the switch device. Further, the control device determines frequency or voltage value of the control voltage provided to the switch device according to the power or frequency of an RF signal transmitted by the switch device.

Abstract: A multi-mode and multi-band front-end device comprises at least one amplifier unit, at least one switching unit, at least one control unit, a plurality of transmission paths, and a plurality of frequency matching networks. The switching unit comprises at least input end and a plurality of connecting ends. Wherein the input end is electrically connected to the amplifier unit, and each of connecting ends is connected to each of transmission paths, respectively. Each of frequency matching networks is configured on each of transmission paths, and achieves impedance matching at different frequency bands, respectively. The multi-mode and multi-band front-end device is able to select one of transmission paths to transmit RF signal according to the frequency band of RF signal to be transmitted so as to improve the output power of the multi-mode and multi-band front-end device.

Abstract: A switching device having a good isolation characteristic is disclosed. The switching device comprises a switch unit and a control unit, wherein the control unit is connected to a power supply terminal, and connected to the switch unit via a control line and a power line. The control unit comprises a voltage regulator unit that is electrically connected to the power supply terminal and the power line of the switch unit. When the switch unit enters standby mode, the control unit provides an isolation voltage to the switch unit to effectively enhance the isolation characteristic of the switching device in the standby mode.

Abstract: The present invention relates to a low loss antenna switch. The antenna switch comprises a plurality of switch module and a plurality of transmitting/receiving terminals, wherein one end of each switch module is connected to an antenna unit and the other end of each switch module is connected to each transmitting and receiving end respectively. Further, each switch module comprises a plurality of switch units in series, wherein the width of at least one switch unit is smaller than other switch units of each switch module. Thus, the parasitic capacitance of the off-stage switch modules can be reduced, and VSWR (Voltage Standing Wave Ratio) of the antenna switch also can be improved.

Abstract: The present invention is related to a communication device capable of self-detecting operation status and detecting method thereof. The communication device comprises at least one communication module and a control module. The communication module is capable of self-detecting operation status, so as to generate at least one status information. The control module is allowed to read out the status information of the communication module via a Mobile Industry Processor Interface (MIPI). When the need for the adjustment of operation status of the communication module is diagnosed by the control module, a control signal is generated, and the control signal is transmitted to the communication module via the MIPI, so as to adjust operation status of the communication module. As such, the communication module may be operated under its best status, and also reduce the probability of overheating or abnormal operation.

Abstract: A multi-mode and multi-band front-end device comprises at least one amplifier unit, at least one switching unit, at least one control unit, a plurality of transmission paths, and a plurality of frequency matching networks. The switching unit comprises at least input end and a plurality of connecting ends. Wherein the input end is electrically connected to the amplifier unit, and each of connecting ends is connected to each of transmission paths, respectively. Each of frequency matching networks is configured on each of transmission paths, and achieves impedance matching at different frequency bands, respectively. The multi-mode and multi-band front-end device is able to select one of transmission paths to transmit RF signal according to the frequency band of RF signal to be transmitted so as to improve the output power of the multi-mode and multi-band front-end device.