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由于在实际上都有用的第二级部分分母中的第一项系数很大于1,所以总是价定增益很大于1的器件必须被用于实现各个滤波器的一部分。这就导致了一个信念:用于实现高Q循环滤波器的电荷传输,至少要求放大器有一个反馈回路,而且只靠电荷束的产生和复合来实现是不可能的。这篇文章的目的是证实上述观点的不真实性,而且极点和零点都可以按下列方式实现,为有助于形成完整的滤波器,各单独部件串接。由于在滤波器中只发生电荷束的传输作用,同要求放大器稳定在时钟脉冲范围内的滤波器相比,这种滤波器可以承受更高的信号频率。此外,不论系数的精确性如何,绝对地保证滤波器稳定。
Since the first coefficient in the second stage partial denominator, which is actually useful, is much larger than 1, a device that always has a constant gain of much larger than 1 must be used to implement a part of each filter. This led to the conviction that the charge transfer used to implement high-Q loop filters requires at least one amplifier feedback loop, and that it is not possible to do so solely by the generation and recombination of charge beams. The purpose of this article is to confirm the above unrealistic point of view, and the poles and zeros can be implemented in the following way. In order to help form a complete filter, the individual components are connected in series. Since only the charge-beam transmission occurs in the filter, this filter can withstand higher signal frequencies than filters that require the amplifier to stabilize within the clock pulse. In addition, filter stability is absolutely guaranteed regardless of the accuracy of the coefficients.