Abstract: An integrated circuit includes a first-voltage power rail and a second-voltage power rail in a first connection layer, and includes a first-voltage underlayer power rail and a second-voltage underlayer power rail below the first connection layer. Each of the first-voltage and second-voltage power rails extends in a second direction that is perpendicular to a first direction. Each of the first-voltage and second-voltage underlayer power rails extends in the first direction. The integrated circuit includes a first via-connector connecting the first-voltage power rail with the first-voltage underlayer power rail, and a second via-connector connecting the second-voltage power rail with the second-voltage underlayer power rail.

Abstract: A parking space status sensing system is used for detecting a state of a parking space. A parking space status sensing system includes a first antenna array transmitting a first signal, a second antenna array receiving a second signal feedback reflected from an object, a radio-frequency transceiver receiving the second signal and performing down-conversion and demodulation on the second signal with receiving a local signal modulated from a triangularly modulated signal by the radio-frequency transceiver, to generate a first beat frequency signal. An analog-distance-signal-integral information and an analog-speed-signal-integral information of the object are obtained from the first beat frequency signal by related analog signal processes.

Abstract: A parking space status sensing system is used for detecting a state of a parking space. A parking space status sensing system includes a first antenna array transmitting a first signal, a second antenna array receiving a second signal feedback reflected from an object, a radio-frequency transceiver receiving the second signal and performing down-conversion and demodulation on the second signal with receiving a local signal modulated from a triangularly modulated signal by the radio-frequency transceiver, to generate a first beat frequency signal. An analog-distance-signal-integral information and an analog-speed-signal-integral information of the object are obtained from the first beat frequency signal by related analog signal processes.

Abstract: An active antenna module is disclosed. The active antenna module comprises a loop antenna, a RF transistor, a LR series circuit, a first bypass capacitor and a second bypass capacitor. The RF transistor comprises a control port, a first port, and a second port. Each of two ends of the loop antenna is electrically connected to one of the control port and the second port, and the control port and the second port are out of phase. The second port is electrically connected to the first port via the first bypass capacitor. The first port is electrically connected to ground via the LR series circuit. The second bypass capacitor and a resistor of the LR series circuit are connected in parallel.

Abstract: A lighting device includes a microwave sensor for adjusting its sensing range based on a range gate selected from multiple range gates. An active antenna module transmits first FMCW signal toward a target based on the selected range gate and for receiving second FMCW signal reflected from the target. The microwave sensor demodulates the first FMCW signal and the second FMCW signal to generate beat frequency signal. Then another demodulator demodulates the beat frequency signal to generate Doppler signal. The microwave sensor calculates a range between the microwave sensor and the target based on the beat frequency signal, calculates velocity of the target according to frequency of the Doppler signal, and determine whether to generate triggering signal according to the calculated velocity and the calculated range, when the object located within the range gate. The power module enables a lamp based on the triggering signal.

Abstract: A microwave sensor is disclosed. The microwave sensor includes an active antenna module, a first low pass filter, a second demodulator, a modulation module, and a discrimination control module. The active antenna module is utilized for transmitting a first FMCW signal towards a target and receiving a second FMCW signal reflected back from the target according to a sweep period. The active antenna module includes a loop antenna and a radio frequency transistor. The first low pass filter and the radio frequency transistor form a first demodulator. The first demodulator and the second demodulator perform two-stage down converting and demodulating to extract information for calculating range and velocity, respectively. The present invention adjusts a radio frequency bandwidth of the FMCW signal by first adjusting an amplitude of a modulation signal generated by the modulation module to control various detection ranges.

Abstract: A lighting device includes a microwave sensor for adjusting its sensing range based on a range gate selected from multiple range gates. An active antenna module transmits first FMCW signal toward a target based on the selected range gate and for receiving second FMCW signal reflected from the target. The microwave sensor demodulates the first FMCW signal and the second FMCW signal to generate beat frequency signal. Then another demodulator demodulates the beat frequency signal to generate Doppler signal. The microwave sensor calculates a range between the microwave sensor and the target based on the beat frequency signal, calculates velocity of the target according to frequency of the Doppler signal, and determine whether to generate triggering signal according to the calculated velocity and the calculated range, when the object located within the range gate. The power module enables a lamp based on the triggering signal.

Abstract: A microwave sensor is disclosed. The microwave sensor includes an active antenna module, a first low pass filter, a second demodulator, a modulation module, and a discrimination control module. The active antenna module is utilized for transmitting a first FMCW signal towards a target and receiving a second FMCW signal reflected back from the target according to a sweep period. The active antenna module includes a loop antenna and a radio frequency transistor. The first low pass filter and the radio frequency transistor form a first demodulator. The first demodulator and the second demodulator perform two-stage down converting and demodulating to extract information for calculating range and velocity, respectively. The present invention adjusts a radio frequency bandwidth of the FMCW signal by first adjusting an amplitude of a modulation signal generated by the modulation module to control various detection ranges.

Abstract: An active antenna module is disclosed. The active antenna module comprises a loop antenna, a RF transistor, a LR series circuit, a first bypass capacitor and a second bypass capacitor. The RF transistor comprises a control port, a first port, and a second port. Each of two ends of the loop antenna is electrically connected to one of the control port and the second port, and the control port and the second port are out of phase. The second port is electrically connected to the first port via the first bypass capacitor. The first port is electrically connected to ground via the LR series circuit. The second bypass capacitor and a resistor of the LR series circuit are connected in parallel.