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    • 3. 发明专利
    • Voltage-controlled oscillator module and phase-locked loop device including voltage-controlled oscillator module
    • 电压控制振荡器模块和相位锁定环路器件,包括电压控制振荡器模块
    • JP2014195250A
    • 2014-10-09
    • JP2014060424
    • 2014-03-24
    • Asahi Kasei Electronics Co Ltd旭化成エレクトロニクス株式会社
    • DAVID CANARDMATTHIEU LECUYER
    • H03L7/093
    • H03L7/00H03L7/08H03L7/099H03L2207/06
    • PROBLEM TO BE SOLVED: To provide a novel VCO module that, in providing compensation for frequency drifts, does not have drawbacks of conventional solutions that are used when use of a low KVCO value is combined together with enabling compensation for possible large frequency drifts, specifically to combine the use of a low KVCO value together with enabling compensation for large drifts of a VCO signal frequency, in a low-cost and efficient manner.SOLUTION: A voltage-controlled oscillator (VCO) module (100) combines a low VCO-gain value with compensation for large frequency drifts. The VCO module includes a VCO circuit (1) and a time-integrator (2). The VCO circuit is fed with a first frequency tuning voltage (V1) and a second frequency tuning voltage (V2) which is produced by the time-integrator from the first frequency tuning voltage. The time-integrator may be comprised of a transconductor (20) connected in series with a capacitor (29).
    • 要解决的问题:为了提供一种新颖的VCO模块,在提供频率漂移补偿时,不存在使用低KVCO值时所使用的常规解决方案的缺点,特别是对可能的大频率漂移进行补偿 将低KVCO值的使用与低成本和高效率的VCO信号频率的大漂移结合使用。解决方案:压控振荡器(VCO)模块(100)将低VCO- 增益值补偿大频率漂移。 VCO模块包括VCO电路(1)和时间积分器(2)。 VCO电路被馈送由第一频率调谐电压由时间积分器产生的第一频率调谐电压(V1)和第二频率调谐电压(V2)。 时间积分器可以由与电容器(29)串联连接的跨导体(20)组成。