More about filter (161)

| The aim of this series of articles is to show that the popular AVR microcontrollers are also suitable for digital signal processing. In this...

| DC/DC converters! They’re often quite useful, sometimes indispensable and most of the time very energy efficient. I am starting to apply the...

| The aim of the present design is to create a filter that has less distortion at 20 kHz and which can cope with higher voltages, so that it a...

| In radios designed for long distance communication, a notch filter is used to suppress or hopefully wipe out noise, whistles, buzzes, static...

| Crystal filters are often used for IF filters in receivers, where the bandwidth of this filter largely determines the selectivity of the rec...

| There’s no stopping technological progress, including Class D amplifier technology. New developments reduce the amount of electromagnetic in...

| The instrument described in this article combines the functions of a sweep frequency generator (‘wobbulator’) and a spectrum analyser. In th...

| When listening to your favourite CD, any audiophile will at some occasion realise that the CD concerned used to sound better during the prev...

| Filter designing is a competence and taken very seriously in audio and measurement and control technology. The associated theory is massive,...

| The circuit shown here combines the functions of a low-pass filter and an integrator, presenting a novel approach to creating a precision 50...