This circuit that imitates the sound of the cowboys' calls with their “louder” was found in a Hands On Electronics from the 80's. The integrated circuits used are from that time.
Based on the Philips TDA3810N, this circuit was found in an 90s Electronics Now. The circuit has two...
This simple circuit does not use active components and uses a small speaker as a microphone. The...
This power amplifier configuration can be used in a public address system (ads) in the car. The...