请问下面这个电路是怎么等效的?主要是这个三极管是怎么等效,LED灯怎么样才会发光,各个电阻值是怎么取RG是光敏电阻,R1,R2,R3各个电阻的阻值是怎么确定的?把它化成小信号模型怎么计算,(npn
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 20:06:14
![请问下面这个电路是怎么等效的?主要是这个三极管是怎么等效,LED灯怎么样才会发光,各个电阻值是怎么取RG是光敏电阻,R1,R2,R3各个电阻的阻值是怎么确定的?把它化成小信号模型怎么计算,(npn](/uploads/image/z/7938932-68-2.jpg?t=%E8%AF%B7%E9%97%AE%E4%B8%8B%E9%9D%A2%E8%BF%99%E4%B8%AA%E7%94%B5%E8%B7%AF%E6%98%AF%E6%80%8E%E4%B9%88%E7%AD%89%E6%95%88%E7%9A%84%3F%E4%B8%BB%E8%A6%81%E6%98%AF%E8%BF%99%E4%B8%AA%E4%B8%89%E6%9E%81%E7%AE%A1%E6%98%AF%E6%80%8E%E4%B9%88%E7%AD%89%E6%95%88%2CLED%E7%81%AF%E6%80%8E%E4%B9%88%E6%A0%B7%E6%89%8D%E4%BC%9A%E5%8F%91%E5%85%89%2C%E5%90%84%E4%B8%AA%E7%94%B5%E9%98%BB%E5%80%BC%E6%98%AF%E6%80%8E%E4%B9%88%E5%8F%96RG%E6%98%AF%E5%85%89%E6%95%8F%E7%94%B5%E9%98%BB%2CR1%2CR2%2CR3%E5%90%84%E4%B8%AA%E7%94%B5%E9%98%BB%E7%9A%84%E9%98%BB%E5%80%BC%E6%98%AF%E6%80%8E%E4%B9%88%E7%A1%AE%E5%AE%9A%E7%9A%84%3F%E6%8A%8A%E5%AE%83%E5%8C%96%E6%88%90%E5%B0%8F%E4%BF%A1%E5%8F%B7%E6%A8%A1%E5%9E%8B%E6%80%8E%E4%B9%88%E8%AE%A1%E7%AE%97%2C%EF%BC%88npn)
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