Abstract
JSICsim, a new analog simulator for superconductor integrated circuits, is introduced in this brief. It works on SPICE (Simulation Program with Integrated Circuit Emphasis)-style netlists and employs the node voltage analysis method with the parallel computation algorithm. Additionally, the JSICsim simulator focuses on accelerating simulation by using an adjustable simulation accuracy method for large-scale circuit analysis, with a complete simulation platform and GUI integrated into the package. To compare JSICsim with other simulators like PSCAN2, WRspice, and JoSIM, several testbench circuits are simulated and analyzed. The result shows that JSICsim could accelerate the simulation up to 47,16,12 times compared with PSCAN2, WRspice, and JoSIM, respectively. Moreover, JSICsim supports a simulation scale of up to 1 million junctions. Other functionalities such as IV-curve sweeping and thermal noise simulation are also demonstrated.
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