今天小编要和大家分享的是耳机放大电路相关信息，接下来我将从便携式耳机放大电路，lm4921用于双声道耳机放大器的典型电路这几个方面来介绍。
耳机放大电路相关技术文章便携式耳机放大电路
便携式耳机放大电路:
R1 = 10K 1/4W Resistor
R2 = 100K 1/4W Resistor
R3 = 68K 1/4W Resistor (see notes)
R4 = 1K5 1/4W Resistor
R5 = 3K3 1/4W Resistor
R6 = 330R 1/4W Resistor
R7 = 4K7 1/4W Resistor
R8 = 2R2 1/4W Resistor
C1 = 1?F 63V Polyester Capacitor
C2 = 100?F 25V Electrolytic Capacitor
C3 = 470?F 25V Electrolytic Capacitor
Q1 = BC239C 25V 100mA NPN High-gain Low-noise Transistor
Q2 = BC337 45V 800mA NPN Transistor
Q3 = BC327 45V 800mA PNP Transistor
J1 = Stereo 3mm. Jack socket
SW1 = SPST Switch
B1 = 3V Battery (two 1.5V AA or C cells in series)
关于耳机放大电路就介绍完了，您有什么想法可以联系小编。