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    • 21. 发明申请
    • VOLTAGE CONTROLLED OSCILLATOR (VCO) CIRCUIT WITH INTEGRATED COMPENSATION OF THERMALLY CAUSED FREQUENCY DRIFT
    • 电压控制振荡器(VCO)电路,具有综合补偿热引起的频率DRIFT
    • US20110128080A1
    • 2011-06-02
    • US12997102
    • 2008-06-26
    • Peter WennekersHao LiYi Yin
    • Peter WennekersHao LiYi Yin
    • H03L7/00
    • H03B5/04H03B5/1218H03B5/1231H03B5/1243H03B5/1293H03L1/023H03L7/099H03L7/18
    • A voltage controlled oscillator circuit comprises a VCO resonator circuit having a first plurality of varactors for varying a frequency of the VCO resonator circuit the VCO resonator circuit being symmetrical with respect to VCO circuit ground and providing a signal having a frequency, the frequency depending on a tuning voltage applied to the first plurality of varactors, and a second plurality of varactors for compensating a drift of the frequency depending on a compensation voltage, a temperature sensor circuit sensing an ambient temperature of the VCO resonator circuit and providing a temperature dependent signal, and a temperature compensation circuit providing the compensation voltage depending on the temperature dependent signal. Furthermore, a phase locked loop (PLL) circuit, an automotive radar device and a method for compensating a frequency drift of a VCO resonator circuit are presented.
    • 压控振荡器电路包括具有第一多个变容二极管的VCO谐振电路,所述变容二极管用于改变所述VCO谐振器电路的频率,所述VCO谐振器电路相对于VCO电路接地是对称的,并提供具有频率的信号,所述频率取决于 施加到第一组多个变容二极管的调谐电压,以及第二组多个变容二极管,用于根据补偿电压补偿频率的漂移;感测VCO谐振电路的环境温度并提供与温度相关的信号的温度传感器电路;以及 温度补偿电路,其根据温度依赖信号提供补偿电压。 此外,提出了锁相环(PLL)电路,汽车雷达装置和用于补偿VCO谐振电路的频率漂移的方法。
    • 22. 发明授权
    • Board hardware device and radio frequency blind-mate connection device
    • 板卡硬件设备和射频盲板连接设备
    • US07920389B2
    • 2011-04-05
    • US12630464
    • 2009-12-03
    • Chenggang TangHao LiHaitao LiXiaohui Shen
    • Chenggang TangHao LiHaitao LiXiaohui Shen
    • H05K1/11
    • H04B1/40H05K1/0237H05K1/144
    • An RF blind-mate connection device disclosed herein includes a duplexer, a power amplification circuit board, a transceiver, an RF signal connector, and a power connector. The duplexer and the transceiver are located at one end of the RF blind-mate connection device, and the transceiver is fixed on the duplexer; the power amplification circuit board is located at the other end of the RF blind-mate connection device, and the location of the power amplification circuit board corresponds to that of the duplexer; the RF signal connector is fixed on the duplexer and the power amplification circuit board; the power connector is fixed on the transceiver and the power amplification circuit board; and the RF signal connector and the power connector transmit both the power signal and the RF signal in a blind-mate way. A board hardware device is disclosed herein to transmit RF signals and power signals inside the RF module through the connector.
    • 本文公开的RF盲配连接装置包括双工器,功率放大电路板,收发器,RF信号连接器和电源连接器。 双工器和收发器位于RF配对连接设备的一端,收发器固定在双工器上; 功率放大电路板位于RF配对连接装置的另一端,功率放大电路板的位置对应于双工器的位置; RF信号连接器固定在双工器和功率放大电路板上; 电源连接器固定在收发器和功率放大电路板上; RF信号连接器和电源连接器以盲目的方式传输功率信号和RF信号。 本文公开了一种板硬件设备,以通过连接器在RF模块内部发送RF信号和功率信号。