Phone amplifier using lm380 IC
Amplifier Projects Electronics tutorial OP-AMP tutorial

LM380 Audio Power Amplifier Circuit And it’s Working

The LM380 is an audio power amplifier for consumer application. Its internal gain is fixed to 14dB in order to keep the system cost minimum. A unique input stage allows inputs to be referenced with the ground. The output gets automatically self-centered to one half the supply voltage. The output amplifier is short circuit proof […]

Automatic battery charger circuit 12V auto cut off
DC Power Supply Electronics tutorial OP-AMP tutorial Opamp based project

Automatic Battery Charger circuit using LM358 OP-AMP

This Automatic battery charger circuit cuts-off power supply when the battery gets fully charged. This circuit can charge any battery like Li-Po, Lead Acid, or Ni-Cd if you set it properly. Everyone needs a Battery Charger with a Battery. It charges the Lead Acid Battery up to 50Ah. You can set the battery cutoff threshold by setting […]