Abstract:
The invention provides an electronic device and method for fabricating the same, and a spiral inductor device and method for fabricating the same. The electronic device includes a substrate and a conductive trace pattern formed on the substrate, wherein the conductive trace pattern has an opening to expose the substrate.
Abstract:
A method for providing error-resilient video content may include receiving video data reflective of multiple video frames; encoding the video data to generate a plurality of packets representing a video frame; transmitting the first group of packets to at least two receivers (110); receiving feedback information regarding receiving status of respective ones of the plurality of packets; examining error indications regarding the at least two receivers (110) based on the feedback information and implementing a first error-correction policy if a variation in the error indications among the at least two receivers (110) is below a first error threshold and a second error-correction policy if the variation is above the first error threshold. At least one of the first and second error-correction policies includes transmitting or retransmitting at least one packet using a coding scheme different from a scheme in encoding the plurality of packets already.
Abstract:
A bulk acoustic wave (BAW) resonator (38) includes a substrate (30), and two electrodes (32, 36) stacked on the substrate (30), and at least one piezoelectric layer (34) interposed between the two electrodes (32, 36). The two electrodes (32, 36) and the piezoelectric layer (34) are at least partially overlapped with each other in a vertical projection direction, and one of the two electrodes (32, 36) has a plurality of openings (32A, 36A).
Abstract:
An oscillator circuit having a source of an oscillating signal, a tank circuit including an inductor (18, 420, 421) and a capacitor (18, 420, 421), and a discretely switchable capacitance module (14, 314) configured to control an amount of capacitance in the oscillator circuit. The discretely switchable capacitance module (14, 314) includes, a capacitor (22, 322) coupled between a first node (41, 341) and a second node (42, 342), a switch (24, 320) coupled between the second node (42, 322) and a third node (43, 343); and a DC feed circuit (28, 328, 329), having a first end (28a, 328a, 329a) coupled to the second node (42) and a second end (28b, 328b, 329b) configured to receive a first or second control signal (30, 330). The control node (25, 325) of the switch (24, 320) is tied to a predetermined bias voltage (26, 326). When the first control signal (30, 330) is applied, the capacitor (22) is coupled between the first node (41, 341) and the third node (43, 343) via the switch (24, 320), and when the second control signal (30, 330) is applied the capacitor (22) is decoupled from the inductor (18, 420, 421).
Abstract:
A voltage regulator (30) includes an amplifier (310), a power device (320), a delay signal generator (340), and a voltage-generating circuit (330). The amplifier (310) generates a control signal according to a reference voltage and a feedback voltage. The power device (320) generates the output voltage by regulating the output current according to the switch control signal. The delay signal generator (340) generates a plurality of sequential delay signals each having distinct delay time with respect to an externally applied power-on burst signal. The voltage-generating circuit (330) provides an equivalent resistance for generating the feedback voltage corresponding to the output voltage, and regulates the output voltage by adjusting the equivalent resistance according to the plurality of sequential delay signals.
Abstract:
A power amplifier (600, 700) integrated circuit, which generates an RF output signal by amplifying an RF input signal, includes a thermal-sensing circuit(620, 720), a feedback circuit(630, 730), a logic judging circuit(650, 750), an adjusting circuit(640, 740), and an amplifying circuit(OP1-OPn). The thermal-sensing circuit (620, 720) generates a thermal sensing signal according to the operational temperature, and the feedback circuit (630, 730) generates a power compensation signal according to power variations in the RF output signal. The logic judging circuit (650, 750) outputs a compensation signal according to the thermal sensing signal and the power compensation signal. The adjusting circuit (640, 740) adjusts the level of the RF input signal according to the compensation signal, thereby generating a corresponding 1st stage RF signal. The amplifying circuit(OP1-OPn) can amplify the 1st stage RF signal, thereby generating the corresponding RF output signal.
Abstract in simplified Chinese:电容器电路包括第一端、第一至第二参考电压端、第一至第三电流源、第一至第三晶体管以及电容器。第一至第三电流源的第一端耦接第一参考电压端。第一电流源的第二端耦接电容器电路的第一端。第一至第三晶体管的第一端分别耦接第一至第三电流源的第二端,第一至第三晶体管的第二端耦接第二参考电压端。第二晶体管的控制端耦接其第一端及第一晶体管的控制端。第三晶体管的第一端更耦接第一晶体管的第一端,其控制端耦接第二晶体管的控制端。电容器的两端分别耦接第一电流源的第二端及第一晶体管的控制端。
Abstract in simplified Chinese:一种超宽带雷达收发器及其运作方法。超宽带雷达收发器包括接收模块。接收模块包括I/Q信号产生电路、第一传感电路以及第二传感电路。I/Q信号产生电路接收M个连续回波信号,并据以产生M个同相信号及M个正交相信号,其中M为大于1的整数。第一传感电路耦接I/Q信号产生电路以接收M个连续同相信号,用以对M个连续同相信号进行积分处理以及模拟至数码转换以产生第一数码数据。第二传感电路耦接I/Q信号产生电路以接收M个连续正交相信号,用以对M个连续正交相信号进行积分处理以及模拟至数码转换以产生第二数码数据。