Audio Equalizer / Tone Control Circuit with Bass, Treble and MID Frequency Control using Op-Amp
Tone control or Active equalizer circuit especially bass, treble, and MID control based Equalizer is an important circuit in...
filters
Impedance Matching Filter Circuit Design – LC, L and PI Filters
In the previous article, we discussed the basics of impedance matching and how to use an impedance matching transformer. Apart...
Design Techniques for Reducing EMI in SMPS Circuits
In my previous article on EMI, we examined how the intentional/unintentional nature of EMI sources and how they affect the...
Simple 2x32 Watt Audio Amplifier with TDA2050
If you are thinking about building a simple, cheap, and moderately high power amplifier circuit that can deliver up to 50-watt...
Butterworth Filter: First Order and Second Order Low Pass Butterworth Filter
Electric filters have many applications and are extensively used in many signal processing circuits. It is used for choosing or...
Pi Filter - Overview, Working, Construction, Application and Design Tips
Filters are commonly used in power and audio electronics to reject unwanted frequencies. There are many different types of...
Band Pass Filter Circuit
Every analog designer’s nightmare would be to deal with noise in his circuit. When it comes to switching circuits or Audio...
Harmonic Filter Circuit: How to remove Harmonics using Active and Passive Harmonic Filters
What is Harmonics in Electrical System?
In power systems, harmonics are defined as positive integer multiples of the...
What is VFD Drive Circuit: Its Operation, Types and Applications
There are lots of factories and plants in the world which use a different type of high power motors. Due to the high power...
Sample and Hold Circuit
Sample and Hold Circuit takes samples from the analog input signal and hold them for particular period of time and then outputs...
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