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Archives for March, 2012

Images for transistor audio signal circuit diagram

Transistor audio signal circuit diagram Transistor audio signal circuit diagram using C945 Transistor audio preamplifier or transistor audio signal circuit diagram,  Cross Reference, … circuit Brain wave transistor audio signal circuit diagram

Making gameboy systems circuit

Making Gameboy systems circuit

4 channel Audio Mixer circuits using IC CA3048

4 channel Audio Mixer circuits using IC CA3048 R1 500 k Ω      C1 0.47 µF      U1 CA3048 R2 820 Ω         C2 50 µF         U2 CA3048 R3 100 Ω         C3 0.008 µF    U3 CA3048 R4 8.2 k Ω       C4 0.008 µF    U4 CA3048 R5 8.2 k Ω       […]

High voltage op amp

high voltage op amp using UA741 The op-amp UA741 is wired to operate in three frequency ranges- high, medium and low. The circuit is designed such that the circuit produces +/-20 dB boost or attenuation for 50Hz,1KHz and 10Khz by varying POT’s R2. The maximum amplification for any of these bands at maximum supply voltage […]

Guitar Amplifiers

100W Guitar Amplifiers using BD139, MJ11016, MJ11015 100W Guitar Amplifiers circuit using BD139, MJ11016, MJ11015 R1     6K8    1W Resistor R2,R4  470R   1/4W Resistors R3     2K   1/2W Trimmer Cermet R5,R6  4K7  1/2W Resistors R7     220R   1/2W Resistor R8     2K2  1/2W Resistor R9     50K   1/2W Trimmer Cermet R10    68K   1/4W Resistor R11,R12R47   4W Wirewound Resistors C1,C2,C4,C5 47µF   […]

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