Noise and Cryogenic Problems upto liquid helium temperature
Deep Talukdar's Problem Solving Experience:
-I have made a low noise Transistor coupled low noise preamplifier for low frequency noise measurements.
-I have made a new ultra low noise constant current source using a new circuit topology.
-I have designed and done electrical wiring for a helium cryostat for working at low temperature and made a helium level indicator using a very simple circuit.