Tone control circuits are basically a network filter circuits which are used to filter audio frequency signals so that only the desired range of frequencies are allowed to pass to […]
Two Tone Door bell Circuit
The electronic 2 tone door bell circuit is designed around the popular IC 555. The IC 555 is extensively applied in numerous varieties of timers and also as a basic […]
Tuned Radio Frequency (TRF) Receiver Circuits
A tuned radio frequency receiver (or TRF receiver) is a form of radio receiver which is made using a number of tuned radio frequency (RF) amplifier stages accompanied by a […]
Audio Dithering Circuit for Enhanced Crisper Music
In this post we will discuss a simple circuit concept which can be used to transform an ordinary analogue audio signal into a much vibrant and crisper digital music, by […]
Extended High Bass Effect from Small Speaker Box [Cross-Over-Filter]
Bigger speaker boxes produce proportionately higher bass effect, this fact is know to all of us. However, bigger boxes are not only expensive, they can be cumbersome and bulky. How […]
Electronic Drum Sound Simulator Circuits
In this post we talk about a couple electronic drum sound simulator circuits which can be used for replicating actual drum beat sound electronically, using a few op amps and […]