1981
DOI: 10.1109/isscc.1981.1156192
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Abstract: TRANSFORMING A doubly-terminated Chebyshev LC ladder filter, a CCD wave filter has been implemented by using CCD resonators and charge amplifiers as basic building blocks. The bandpass filter which was realized on an experimental test chip has a center frequency of 50kHz, together with a relative Chebyshev bandwidth of 3%, 5dB insertion loss and 60dB stopband attenuation. Compared to known SC or CCD bandpass filters the advantages of the approach are low sensitivity of the center frequency, which is controlle…

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