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LC振荡电路,怎么不起振,电源12V,三极管9018,想做30M的,LC参数计算是30M,用Multisim仿真频率正确-LC oscillator circuit, how not afford to vibration, power supply 12V, the transistor 9018, want to 30M of, LC parameter calculation is 30M, with Multisim simulation frequency correct