This anti acoustic feedback circuit can be used to prevent the howling effect that is normally seen when an amplifier and a loudspeaker system are operated inside a hall within […]

This variable notch filter circuit for enabling an adjustable audio frequency cancellation as desired by a specific application. A Notch Filter can also be named as Band Stop filter or […]

The circuit discussed is created to work like an universal preamplifier, by adjusting the value of one element, R1, you are able to look after the entire range of inputs […]

When generating tape recordings, particularly of “live” shows, it may be quite tough to set the right recording level. This could effortlessly result in an extreme recording level and major […]

Scratch and rumble filtering circuit is a important element in a hi fi amplifier, however is definitely one which can be lacking through several layouts, or if this filtering exists […]

This unit is actually a two tone door buzzer of the form that generates a basic tone for around one second, accompanied by a tone of lower pitch. The result […]