This approach uses a charge comparison principle for the tuning of the pole frequency ( omega /sub 0/) and the pulse response of a biquadratic filter for tuning the filter quality factor (Q). Both frequency and Q tuning are performed at lower frequency than the pole frequencies. Thus, these techniques reduce the tuning signal feedthrough in bandpass filters. The Q tuning includes the filter high-frequency effects. Simulated results and breadboard experimental results are presented and discussed.
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机译:这种方法使用电荷比较原理来调谐极频(OMEGA / SUB 0 /)和双层滤波器的脉冲响应,用于调谐滤波器质量因子(Q)。 频率和Q调谐均以较低的频率执行而不是极频频率。 因此,这些技术减少了带通滤波器中的调谐信号馈通。 Q调谐包括过滤器高频效果。 展示和讨论了模拟结果和面包板实验结果。
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