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(a) Sallenkey Low (b) Sallenkey High Pass Filter Pass Filter

(a) Sallenkey Low (b) Sallenkey High Pass Filter Pass Filter

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Conference Paper
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Linear Semi-Gaussian Pulse Shaper with low baseline drift is designed using 0.35 μm CMOS technology. It finds application in Pulse processing readout ASIC for radiation monitoring processes. Front-end electronics of radiation monitoring and energy measuring instruments is required to extract information from the pulse produced by radiation detector...

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... advantage of this configuration is that the ratio of the largest resistor value to the smallest resistor value and the ratio of the largest capacitor value to the smallest capacitor value (component spread) are low, which is good for manufacturability. In Figure 4 (a) at low frequencies, where C1 and C2 appear as open circuits, the signal is simply buffered to the output. At high frequencies, where C1 and C2 appear as short circuits, the signal is shunted to ground at the amplifier's input, the amplifier amplifies this input to its output, and the signal does not appear at Vo .Near the cut-off frequency, where the impedance of C1 and C2 is on the same order as R1 and R2, positive feedback through C2 provides Q enhancement of the signal. ...

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