Ngày 26/07/2010 05:35:58 / Lượt xem: 4321 / Người đăng: biendt
Khuyếch đại công suất âm thanh 4W-8W dùng TDA2005
Power Supply : 9–18V at 1–2 A
>8 W RMS/ch. at 2ohm 16V DC supply.
Power output : >6W RMS/ch.at 4ohm 16V DC supply
>4W RMS/ch.at 4ohm 12V DC supply
THD : <0.1% @ 1W, 4ohm
0.018% at 1W RMS @ 4 ohm and +15V supply
Tần số : ~15 Hz to 50 kHz, –3 dB[separator]
S/N ratio :>80 dBA.
Input level : ~160 mV for full output
Gain : ~31 dB maximum.
Linh kiện :
R1=120Kohm 1/2W 5% C1-9-13=100nF 100V MKT C7-11=2200uF 16V
R2-4=1.2Kohm 1/4W 5% C2=220uF 25V C8-12=220uF 25V
R3-5=33 ohm 1/4W 5% C3=10uF 25V IC1=TDA2005
R6-7=1 ohm 1/2W 5% C4-5=2.2uF 25V J1=2 Pole Terminal Block
RV1=2X10Kohm Log. Pot. C6-10=100uF 25V J2-3=3 Pole Terminal Block