BTL STEREO TO MONO circuit, DRIVER bridge a stereo power amp to mono USING C828 the BTL power amplifier system is: “Two power amplifier units connected by bridge joints can form a larger power amplifier. The amplifier system is in English called Budge Transformer Less BTL. This amplifier system can amplify the amplifier noise by […]
Posts tagged power
Comparator OP Amp
Comparator OP Amp using IC AD820, AD539, AD827, AD538 The AD820 is a low power FET op amps can operate from supplies of 5.0 V to 36 V, or dual supplies of 2.5 V to 18 V. AD820 to accommodate input signals below ground in single supply mode. Output voltage swing extends to within 10 […]
Amplifier Circuit Board Using LA4508
Amplifier Circuit Board Using LA4508 For compo TOSHIBA, SHARP, LG, SAMSUNG, PIONEER, PANASONIC, POLYTRON, PHILIPS, SONY 40W Sound Amplifier Circuit Board LA4508 Vcc 12v and 3A
Make Wireless portable with CA3140,4069,4098
Parts: R1,R2,R19_______1K 1/4W R3-R6,R13,R17_100K 1/4W R7,R15__________1M 1/4W R8_____________50K 1/2W R9____________470R 1/4W R10___________470K 1/4W R11___________100K 1/2W R12___________220K 1/4W R14,R16________68K 1/4W R18____________22K 1/4W R20___________150R 1/4W C1,C7_________100µF 25V C2,C3_________330nF 63V C4-C6___________4µ7 25V D1,D5______Red LEDs D2,D3________1N4148 75V D4________BZX79C7V5 7.5V 500mW IC1__________CA3140 or TL061 IC2____________4069 IC3____________4098 or 4528 Q1,Q2_________BC238 25V 100mA NPN L1_____________10mH miniature Inductor BZ1___________sounder (incorporating 3KHz oscillator)
20 w Amplifier stereo circuit
20 w Amplifier stereo circuit using TDA 2004 Amplifier stereo circuit using TDA 2004 R1 120K Ohms R2, R4 1K Ohms R3, R5 3.3 Ohms R6, R7 1 Ohms C1, C2 2.2µF C3 10µF C4, C6 100µF C5, C7 100µF C8, C9 0.1µF C10, C11 1000µF TO 2200µF CI TDA2004A it is a circuit integrated […]
10W Audio Amplifier Circuit using TDA1010A
10W Audio Amplifier Circuit using TDA1010A
Phono preamp circuit
Good Phono preamp circuit using BD437, BD438
