模拟电路 iCircuit v1.5 看起来不错 支持元件: * Signal generators, Voltage sources, Current sources, and Dependent sources * Resistors, Capacitors, and Inductors * Manual SPST/SPDT Switches, Push buttons, and Relays * Diodes, BJ Transistors, and MOSFETs * Speakers, Microphones, Buzzers, DC Motors, and LEDs * ADCs, and DACs * Logic gates: AND, OR, NAND, NOR, XOR * JK and D Flip-flops * 37 7400 series digital parts * 7-segment display and driver 下载地址: XXXXXXXXXXXXXXXXXXXXXXXXX/down/XXXXXXXXm
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