30 Watts Audio amplifier Circuit
A 30 watt audio amplifier circuit using TDA2040 is shown here. TDA2040 is a Class AB monolithic integrated audio amplifier available in Pentawatt package. The IC has low harmonic distortion, low cross over distortion and has a built in circuitry for short circuit protection.more >>
20 Watt Audio Amplifier Class A
The amplifier circuit uses the basic circuitry of the 70W power amplifier, but modified for true Class-A operation - it should be pretty nice! This amp has been built by several readers, and the reports I have received have been very positive. more >>
Mini Amplifier IC LM380
Based amplifier IC's offer many advantages including high efficiency, high gain, low standby current, low component count, small size and, of course, low cost. It is little wonder that audio amp IC's have replaced most discrete transistors in consumer electronic devices. more >>
20 Watt Audio Amplifier Class A
The amplifier circuit uses the basic circuitry of the 70W power amplifier, but modified for true Class-A operation - it should be pretty nice! This amp has been built by several readers, and the reports I have received have been very positive. more >>
Mini Amplifier IC LM380
Based amplifier IC's offer many advantages including high efficiency, high gain, low standby current, low component count, small size and, of course, low cost. It is little wonder that audio amp IC's have replaced most discrete transistors in consumer electronic devices. more >>
The integrated output amplifier described in this article consists of little more than one integrated circuit. It is intended especially for use in motor vehicles and other battery-operated applications.
25Watt Audio Amplifier Mosfet IRF530-IRF9530
The following is a circuit of 25Watt High Quality power amplifier Mosfet IRF530-IRF9530 from Motorola's transistors are employed in the preceding stages. The supply rails prudentially voltage was kept at the rather low value of + and - 32V.more >>
The following is a circuit of 25Watt High Quality power amplifier Mosfet IRF530-IRF9530 from Motorola's transistors are employed in the preceding stages. The supply rails prudentially voltage was kept at the rather low value of + and - 32V.more >>
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