LM317 電阻值計算 - 喬治查爾斯電子電路網
Schematics & circuits for guitar effects with vacuum tubes and solid state electronics. FREE downloads of schematics such as TS-9, Fuzz Face and other classic rock devices. ... 這個計算器是用來找出LM317輸出您需要的電壓所需調整的電阻值,典型的R1值 是 ......