Tag Archives: CA3140

Battery Charger / Power Supply 14V / 4A with MOSFET VN64GA

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As the the title, this circuit can function as a power supply or a battery charger. This  Battery Charger / Power Supply circuit has a voltage output of 14 volts and can supply current up to 4 amperes. Operational amplifier A1 CA3140 directly drives the N-Channel MOSPOWER VN64GA with the… Read more »

Precision Peak voltage detector with a long memory time.

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If you want to check the peak voltage of the signal to change at any time. Measuring with a multimeter will not do it. We recommend this circuit. It may help you. We use this circuit The op-amp IC number CA3140 is the main equipment, acts as a voltage sensor… Read more »

Variable Regulator 0-30V 5A by LM723,CA3140,2N3055

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This is circuit Variable Regulator power supply,Output voltage 0-30V and Current 5A max. Use IC LM723 is a voltage regulator designed primarily for series regulator applications. By itself, it will supply output currents up to 150 mA I so use Transistor 2N3055 X 2 for Booster current to 5A. IC… Read more »

Precision Peak voltage detector with a long memory time.

Schematic Diagrams      Comments Off on Precision Peak voltage detector with a long memory time.

If you want to check the peak voltage of the signal to change at any time. Measuring with a multimeter will not do it. We recommend this circuit. It may help you. We use this circuit The op-amp IC number CA3140 is the main equipment, acts as a voltage sensor… Read more »

Precision Peak voltage detector with a long memory time.

Schematic Diagrams      Comments Off on Precision Peak voltage detector with a long memory time.

If you want to check the peak voltage of the signal to change at any time. Measuring with a multimeter will not do it. We recommend this circuit. It may help you. We use this circuit The op-amp IC number CA3140 is the main equipment, acts as a voltage sensor… Read more »