HIGH-POWER PULSE-GENERATOR FOR CRYOGENIC DEVICES

A pulse shaper generating -20 to 20 V voltage pulses and -4 to 4 A cur rent pulses is described, which is intended for studies of the critica l current of superconductors and heat-transfer processes in helium II. The minimum pulse duration is 50 ns, and the output voltage settling time is within a 0.025% accuracy in response to a 1 V step in the inpu t voltage 0.9 mu s.