1 : Khuyếch ñại công suất âm thanh 4W-8W dùng TDA2005 Power Supply 9–18V at 1–2 A Power output >8 W RMS/ch. at 2ohm 16V DC supply. >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 2 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 : MKð âm thanh 60W dùng TDA7294 Input sensitivity 1.3V (50W into 8W) Input impedance 10K Frequency response 15Hz - 100kHz Slew rate 10V/uS Output power 50W into 8W (0.1% THD) 82W into 4W (0.1% THD) S/N ratio 105dBa (1W / 8W) THD (40W into 8W) 0.002% (1kHz) < 0.04% (20Hz - 20kHz) Power Supply +/-30Vdc R1=180ohm C5-6=10uF 63V J2=3pin R2-3-5=10Kohm C7=22uF 63V J3=2pin 3 R4=22Kohm C8=33uF 25V R6=680ohm C9-10=1000uF 63V All Resistors is 1/4W 1% C1=1.5uF 63V MKT IC1=TDA7294 C2=2.7nF 63V MKT J1=2pin connector with 2.54mm step C3-4=100nF 100V MKT JP1-2=2pin Jumper with 2.54mm step Sơ ñồ nguồn cung cấp" Linh kiện : TR1=230Vac//2X22Vac 80VA for single Amplifier C1=22nF 630V Polyester MKT C8-9=10.000uF 63V For dual Amplifier* TR1=230Vac//2X22Vac 150VA for dual Amplifier C2 5=22nF 100V Polyester MKT C10-11=1uF 63V BR1=Diode cầu >15A C6-7=10.000uF 63V For single Amplifier F1=Fuse 0.5A slow : MKð âm thanh 50W 4 R1=4.7 ohm 1/4W R23-25=0.33 ohm / 4W Q8=BD240C R2-16=47 Kohm 1/4W TR1=5 Kohm T Q10=2N3906 R3=10 Kohm 1/4W C1=330pF NPO Capacitor Q11=BD249C R4-5=47 ohm 1/4W C2-3-6-7-12-13=100nF 100V MKT Q12=BD250C R6=3.3 Kohm 1/4W C4-5-8-14=100uF 63V D1-2=12V 0.5W ZENER R7-8=2.2 Kohm 0.5W C9=47pF NPO Capacitor D3-4-5=1N4002 R9-15=1 Kohm 1/4W C10-11=100uF 16V D6-7-8-9-10=1N4148 R10=6.8 Kohm 1/4W Q1-2-3=BC550C J1=3pin connector with 2.54mm step R11-17=1.1 Kohm 1/4W Q4=MPSA56 J2=5pin connector with screws R12-18-19-20-21- 22=220 ohm 1/4W Q5-9=2N3904 F1-2=Fuse2A Fast R13=330 ohm 1/4W Q6=MPSA06 R14=22 Kohm 1/4W Q7=BD239C Mạch nguồn : 5 linh kiện: TR1=220VAC/2X28V 6A C1=33nF 630V C9-10=15000uF 63V F1=Fuse 1A Slow C2-3=22nF 100V MKT C8-11=100nF 100V MKT S1=2X10A SW C4-5=22nF 100V MKT D1-4= rectifier bridge 400V 35A JF1=3P Connector 3.96mm step C6-7=15000uF 63V : AMP 30W 6 R1=1Kohm R16-17=270ohm D1=9.1V 0.4W zener R2=47Kohm R18=22ohm 1W D2-3=1N4148 R3=1.5Kohm R19=NC Q1-2=BC550C R4-5=10Kohm R20-21=0.39ohm 4W Q3=MPSA56 R6=5.6Kohm TR1=250ohm trimmer Q4=BC547B R7=10ohm C1=470nF 100V MKT Q5=BC212 R8=47Kohm C2=1nF 100V MKT Q6=BC183 R9=560ohm C3=68pF ceramic Q7-8=MPSAO6 R10-11=8.2Kohm C4-8=22nF 100V MKT Q9=TIP141 R12-15=120ohm C5-6-7=100nF 100V MKT Q10=TIP146 R13=680ohm C9=47uF 25V F1-2=1.6AT FUSE R14=330ohm C10-11=220uF 63V 7 : Khuyếch ñại công suất âm thanh 65W Tần số âm thanh là 1.5 ñến 125Khz R1-15-16-21-22-17-18=1Kohm R33=68ohm 5W Q1-2=BC550C R2=47Kohm R35-36=6.8ohm 1W Q3-4=BC560C R3-4=10Mohm TR1=1Kohm trimmer Q5=BC560C R5-6-13-14=1.2Kohm TR2=1Mohm trimmer Q6=BC550C R7-12=47ohm C1=2.2uF 63-100V MKT Q7-11=BD140 R8-9-10-11=22ohm C2=1nF 100V MKT Q8-9-10=BD139 R19=82ohm C3-4=2.7nF 100V MKT Q12=IRF9540 R20=22Kohm C5=330pF ceramic or mylar Q13=IRF540 R23-26=56ohm C6-7=100uF 16V F1-2=Fuse 2.5A Fast R24=2.2Kohm C8=1uF 100V MKT L1=see text [2] R25=560ohm C9-11-12=100nF 100V MKT J1= 2pin connector 2.54mm step R27-30=150ohm C10-13=470uF 63V R28-29-31-34=15ohm C14=33nF 100V MKT Q8-10-11-12-13 on Heatsink R32=150ohm 5W D1-2=LED RED 3mm [see text] [1] All the resistors is 1/4W 1% except quote differently Mạch nguồn cung cấp 8 ðiện áp ra : +V1=+35V -V1=-35V +V2=+12V -V2=-12V +V3=+35V -V3=-35V Linh kiện : T1=2X25Vac 160VA //2X15Vac 20VA C5-8=1000uF 25V IC2=7912 T2=2X25Vac 160VA C6-9=100nF 100V MKT F1=FUSE 2A BR1-3=200V 35A Bridge Rectifier C7-10=10uF 25V S1=2X2 switch 10A BR2=4 X 1N4002 C15=33nF 630V Class X2 JF1=3 pole male plug C1 4-11 14=10000uF 63V IC1=7812 : Khuyếch ñại âm thanh 60W ở chế ñộ AB 9 Linh kiện : R1=1.5Kohm R21=10ohm 1W D1=5V6 0.4W zener R2-9=10Kohm R22-23-24-25=0.47ohm 5W Q1-2-3=BC557 R3=2.7Kohm TR1=100ohm trimmer Q4-8=BD140 R4=5.6Kohm TR2=470ohm trimmer Q5-7=BD139 R5=3.3Kohm C1=2.2uF 100V MKT Q6=BC549 R6-12=470ohm C2=330pF Q9-10=TIP2955 [MJE2955] R7-11=1.2Kohm C3=100uF 16V Q11-12=TIP3055 [MJ3055] R8=560ohm C4=100pF R10=220ohm C5=27pF F1-2= 3A slow Fuse 5X20mm R13-14=47ohm C6=3.3nF 100V MKT R15-16=33ohm 1W C7-8-9-10-13-14=100nF 100V MKT All resistors is 1/2W 1% metal film except for announce differently R17-18-19-20=220ohm 1W C11-12=220uF 63V : Mạch khuyếch ñại âm thanh 45W với HEXFET 10 Mạch này ñược cung cấp với 1 nguồn giống như mạch khuyếch ñại trên với ñâu ra : +V1=+32V -V1=-32V +V2=+12V -V2=-12V +V3=+32V Linh kiện : R1=47Kohm C1-2-6-7=100nF 100V MKT Q5-6=IRF9540 R2-12=1Kohm C3-4=22uF 25V Q7-8=IRF540 R3-4=3.3Kohm C5=220pF styroflex TR1=5Kohm trimmer multiturn R5=1.2Kohm C8-9=4700uF 63V TR2=1Kohm trimmer multiturn R6=[1.2Kohm] 820ohm *See text C10=1uF 100V MKT F1-2=fuse 3A R7=270ohm D1-2=15V 0.5W zener J1=2pin connector 2.54mm step R8=220ohm IC1=LF411orAD711or LF351 J2=5pin connector 5mm step R9=27Kohm Q1=BC550C R10-11=22Kohm Q2=BC560C All Resistors 1/4W 1% metal film R13-14-15-16=150ohm Q3-4=BC547B Công suất : 45W in 8 ohm - 75W in 4ohm [...]... ch ñ i âm thanh 2x18W dùng TDA1516Q 11 Linh ki n: C1-2=220nF 100V MKT C3-4=100nF 100V MKT C5-6=2200uF 25V D1-2=1N5408 F1=3A Fuse IC1-2=TDA1516Q S1=2X2 SW M1-2=Loundspeaker 30W/4ohm : Khuy ch ñ i âm thanh 2x5W dùng TDA1516Q 12 Linh ki n : C1-2=220nF 100V MKT C3=100uF 25V C4=100nF 100V MKT C5=2200uF 25V C6-7=1000uF 40V D1=1N5408 IC1=TDA1516Q F1=2A Fuse M1-2=Loudspeaker 10w/4ohm : Khuy ch ñ i âm thanh. .. R36-37=0.33ohm / 5W T14=BD592 R40-41=10ohm / 2W T12=2N5630 R42=180ohm/5W T15=2N6030 TR1=4.7Kohm Trimmer C13-15=47uF/63V C16-17=100nF/100V C18-19=100nF/100V : Khuy ch ñ i công su t âm thanh 300W 21 20HZ-20KHZ +/-0.5dB 1V for 200W/300W THD H s t t Công su t 200W rms/8 ohm 310W rms/4 ohm 800W rms/8 ohm T ns ð u vào nh y c m 20W Loudspeaker : Khuy ch ñ i công su t âm thanh 170W cho Loa 14 R1=68Kohm C1=2.2uF 100V MKT Q2=MJE340 R2=2.2Kohm C2=1nF 100V MKT Q3=BD139 R3-6=22Kohm C3-8-9-10-11-14-15=100NF Q4=BC546B R4-22-23=1Kohm C4=33pF 160V polystyrene Q5=BC556B R5-8-10-14=560... AC/ 2X47V 350VA BR1-3=4x1N5404 or 35A Bridge RX= 47R 15W C1-4= 4700 uF 100V CX= 33nF 630Vac C6-9= 100nF 100V C7-10= 47uF 25V C11 14= 4700uF 100V F1= Fuse 2A Slow IC1= 7815T IC2= 7915T Khuy ch ñ i công su t âm thanh HAFLER DH-200 24 POWER 100W-8 ohm Less than 0.005% from 1 to 100 W into 8 ohm 1 KHZ- 0.0015% 10 KHZ- 0.005% 20 KHZ- 0.012% ±0.5 dB 10 HZ to 40 KHZ at 100W 60 dB Better than 100dB at 100W into... Zener D2 5=8.2V 1W Zener L1=20 turns 0.6mm on R25 Q1-2=BC 547 Q3=2N5460 fet Q4-5=MPSA93 Q6-8-11=BC182 Q7-10=MPSA43 Q9=BC212 Q12=2SK134 or 2SK135 Q13=2SJ49 or 2SJ50 *polyester or mylar : Khuy ch ñ i công su t âm thanh 2 kênh 27 OUTPUT POWER h s t t Tr kháng input Nhip ñ T ns THD TIM S/N 25W/8 ohm - 40W/4 ohm 160 [8 ohm] 1Kohm 125V/µs 1W/8 ohm DC-1MHZ 0.01% 12.5W 0.03% 12.5W 100dB Linh ki n : R1-3-19= 1.8Kohms... @[2X15V 1A*] T2=110-240V@ 2X42.5V 650VAC1-2-3-4=10000 uF 100V F1=3.15 AT FUSE C11-12-13-14=10000 uF 100V RX-CX-RL1 S1= SWITCH 2X2 10A C6-9=100nF 100V C7-10=47uF 25V C15=33nF 630V : M ch khuy ch công su t ñ i âm thanh 60W 16 ch A m ch 2 : 17 Linh ki n: R1=47Kohm R31-32-35-36-39-40=0.22ohm 5W R2-9-27-28=1Kohm R41=10ohm 3W R3-18=10Kohm R42=10ohm 1W R4=18Kohm R43=5.6Kohm R5-13=3.9Kohm R44=330Kohm R6-12=560ohm... 10Kohm R9-10= 0.47ohm 2W C1= 1nF 63V C2-5= 47uF 40V C3-4= 100nF 63V C6= 4.7pF ceramic C7-8= 100uF 40V D1-2= 18V 0.5W zener D3-4= 1N4148 IC1= NE5534 Q1= 2SK135 Q2= 2SJ50 : T p h p m ch khuy ch ñ i công su t âm thanh c u M ch 1 : 30 R1-5=2.7ohms R2=100ohms R3-4=2.2ohms R6=220ohms R7=1Mohms C1-9=10uF 16V C2-8=220uF 16V C3-4-5-7=100nF 63V C6=470uF 25V IC1-2=TDA2002 TR1=100Kohms trimmer Lsp=4 8ohms/40W Loundspeaker . R13=680ohm C9=47uF 25V F1-2=1.6AT FUSE R14=330ohm C10-11=220uF 63V 7 : Khuyếch ñại công suất âm thanh 65W Tần số âm thanh là 1.5 ñến 125Khz R1-15-16-21-22-17-18=1Kohm R33=68ohm 5W Q1-2=BC550C. differently R17-18-19-20=220ohm 1W C11-12=220uF 63V : Mạch khuyếch ñại âm thanh 45W với HEXFET 10 Mạch này ñược cung cấp với 1 nguồn giống như mạch khuyếch ñại trên với ñâu ra : +V1=+32V -V1=-32V. C11-12-13-14=10000 uF 100V C15=33nF 630V RX-CX-RL1 S1= SWITCH 2X2 10A : Mạch khuyếch công suất ñại âm thanh 60W ở chế A 17 mạch 2 : 18 Linh kiện: R1=47Kohm R31-32-35-36-39-40=0.22ohm