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A novel class of filters (called pipe filters) that features in-band noise reduction is presented and a current mode biquad cell based on cross-connected cascoded devices is introduced. The presented solution gives in-band high-pass noise shaping and passive pre-filtering of out-of-band blockers. This results in both low in-band noise and high out-of-band IIP3. A 4th-order lowpass prototype in 90...
A versatile high-speed Charge Sensitive Preamplifier (CSP) to be used in silicon calorimeters is presented. The main features of this circuit are low noise, high slew-rate (larger than 500V/??s), high dynamic range (of the order of 90dB), and 100?? output drive capability. The bias current of the CSP can be adjusted, in order to optimise the trade-off between power and noise for different operation...
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