Active Feedback With Leakage Current Compensation for Charge Sensitive Amplifier Used in Hybrid Pixel Detector
2019
We report on the design of an active feedback circuit for charge sensitive amplifiers used for reading out hybrid pixel detectors. The predominant advantages of the proposed feedback over the existing solutions are its low noise, stability, and tunability. In addition, the circuit occupies small silicon area, which is crucial for hybrid pixel detectors. This paper presents both the mathematical analysis of the proposed circuit and measurement results obtained with the test structure.
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