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Posts tagged Amplifier

Stereo Power Amplifier

68W Power Amplifier schematic   68W Stereo Power Amplifier using TR A673, C828, C1213, D438, B560, TIP31 and TIP32

300W HiFi Amplifier circuit

300W HiFi Amplifier circuit using BD140, 2SK1050, BC556, BD139, 2SJ16 300W HiFi Amplifier circuit Here is the circuit of a 2X150 watt HiFi amplifier circuit using BD140, 2SK1050, BC556, BD139, 2SJ16 from Phillips. A quiet simple and robust circuit using very less components.This makes the circuit ideal for a portable power amplifier. The circuit delivers […]

Making Electronic Circuits Alarm for anti-fire

Making Electronic Circuits Alarm for anti-fire This circuit warns the user against fire accidents. It relies on the smoke that is produced in the event of a fire. When this smoke passes between a bulb and an LDR, the amount of light falling on the LDR decreases. This causes the resistance of LDR to increase […]

What we aim to make a series fm radio transmitter? IC MAX2606.

What we aim to make a series fm radio transmitter? because we want to know the results of the schema obtained from books or the Internet or also because the task of teachers in the school, is fm radio transmitter circuit. This is a FM transmitter circuit using semiconductor Maxim MAX2606 IC. In a series […]

Preamp mic schematic and Audio Megaphone

Preamp mic schematic and Audio Megaphone using BC547, TDA7052 P1_____________22K R1_____________22K R2,R3_________ 100K R4_____________47K R5______________2K2 R6______________6K8 R7_____________22K R8______________2K7 C1,C6_________ 100nF  63V C2,C3__________10µF  63V C4_____________22µF  25V C5_____________22nF  63V C7____________ 470µF  25V Q1_ BC547 IC1 TDA7052 SW1____________SPST MIC____________electret microphone SPKR___________8 Ohm Loudspeaker

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