便携式耳机放大电路:
C1 = 1?F 63V Polyester Capacitor
Q1 = BC239C 25V 100mA NPN High-gain Low-noise Transistor J1 = Stereo 3mm. Jack socket
SW1 = SPST Switch |
|
来自: ldjsld > 《电脑手机及电子技术》