Phase locked oscillator for integer pulse rates专利检索-锁相放大器放大器电子零件及设备专利检索查询-专利查询网

Phase locked oscillator for integer pulse rates

阅读：471发布：2023-02-04

专利汇可以提供Phase locked oscillator for integer pulse rates专利检索，专利查询，专利分析的服务。并且A phase locked oscillator for locking to a train of pulse signals where the pulse repetition rates are integer multiples of each other. The input pulse signals are directed to a bandpass circuit, a tuned amplifier, the center frequency of which is selected to be the same as the reference frequency of a phase detector. The output signal of the bandpass circuit is a sinusoidal signal directed to the gated or multiplier phase detector. A square wave voltage controlled oscillator has a portion of its output signal fed back to the phase detector. The output of the phase detector controls the frequency of the voltage controlled oscillator. In the phase locked loop, the square wave voltage controlled oscillator is locked to a reference frequency from the bandpass circuit independent of an integer change in the pulse repetition rate of the input pulse train signals.，下面是Phase locked oscillator for integer pulse rates专利的具体信息内容。

权利要求

1. A phase locked oscillator system comprising: an oscillator including frequency controlling means for controlling the frequency of an output signal from said oscillator; a phase detector responsive to the output signal from said oscillator and to a sinusoidal reference signal for providing a control signal functionally related to the phase difference between the oscillator output signal and the sinusoidal reference signal; a bandpass circuit responsive to an input pulse signal repetition rate and integer multiples thereof for providing the sinusoidal reference signal equal in frequency to the highest integer multiple of the input pulse signal repetition rate to said phase detector, wherein said phase detector provides the control signal to said frequency controlling means to lock the frequency of the output signal generated by said oscillator to the sinusoidal refErence signal frequency.

2. A phase locked oscillator system according to claim 1 wherein said oscillator generates square wave output pulse signals.

3. The phase locked oscillator system according to claim 1 wherein said bandpass circuit further includes a pulse shaper to reshape the input pulse signals to a uniform pulse width.

4. The phase locked oscillator system according to claim 3 wherein said pulse shaper comprises a one-shot multivibrator.

5. The phase locked oscillator system according to claim 4 wherein said bandpass circuit comprises a resonant tuned circuit having a resonant frequency equal to the highest integer multiple of the repetition rate of the input pulse signals as shaped by the pulse shaper.

6. The phase locked oscillator system according to claim 4 wherein the bandpass circuit comprises a narrow-band tuned amplifier having a resonant frequency equal to the highest integer multiple of the repetition rate of the input pulse signals as shaped by the pulse shaper.

7. In a phase locked oscillator system including a variable frequency oscillator having frequency controlling means, and a phase detector responsive to an output signal from said variable frequency oscillator and to a sinusoidal reference signal for providing a control signal functionally related to the phase difference between the output signal and the sinusoidal reference signal, said control signal controlling said frequency controlling means, wherein the improvement comprises; a bandpass circuit responsive to an input pulse signal repetition rate and integer multiples thereof, for providing the sinusoidal reference signal equal in frequency to the highest integer multiple of the input pulse signal repetition rate to the phase detector, wherein said phase detector provides the control signal to said frequency controlling means to lock the frequency of the output signal generated by the oscillator to the sinusoidal reference signal frequency.

8. The phase locked oscillator system according to claim 7 wherein said bandpass circuit further includes a pulse shaper to reshape the input pulse signals to a uniform pulse width.

9. The phase locked oscillator system according to claim 8 wherein said pulse shaper comprises a one-shot multivibrator.

10. The phase locked oscillator system according to claim 9 wherein said bandpass circuit comprises a resonant tuned circuit having a resonant frequency equal to the highest integer multiple of the repetition rate of the input pulse signals as shaped by the pulse shaper.

11. The phase locked oscillator system according to claim 9 wherein the bandpass circuit comprises a narrow-band tuned amplifier having a resonant frequency equal to the highest integer multiple of the repetition rate of the input pulse signals as shaped by the pulse shaper.

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Phase locked oscillator for integer pulse rates

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