Low Noise Differentiator Circuit

Published:2011/7/22 6:52:00 Author:Sue | Keyword: Low Noise, Differentiator | From:SeekIC

The picture shows the low noise differentiator circuit. The circuit is made by adding some components to the basic differentiator so it has overload protection capability with good stability and low noise. R's access can make the circuit stable and can reduce the noise, increase the input impedance. When working frequency of the differentiator is not high, in order to restain high frequency noise, capacitor Cp is added. Voltage-regulator tube is set on consideration that there may be large single-stage noise. Cp can help to maintain the stability of the circuit.



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