More about filter (188)

1-09-2014 | The manual operation of the tap for a water filter is something that seems a suitable candidate for automation. This can avoid the unnecessa...

29-08-2013 | A real new Part on Bob Moog´s classical Ladder Filter Concept !!(04. Nov. 2015 - The project is completely updated)

1-09-2012 | The aim of this series of articles is to show that the popular AVR microcontrollers are also suitable for digital signal processing. In this...

1-03-2012 | DC/DC converters! They’re often quite useful, sometimes indispensable and most of the time very energy efficient. I am starting to apply the...

1-07-2011 | 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...

1-01-2011 | In radios designed for long distance communication, a notch filter is used to suppress or hopefully wipe out noise, whistles, buzzes, static...

1-07-2010 | Crystal filters are often used for IF filters in receivers, where the bandwidth of this filter largely determines the selectivity of the rec...

1-11-2009 | There’s no stopping technological progress, including Class D amplifier technology. New developments reduce the amount of electromagnetic in...

1-10-2008 | The instrument described in this article combines the functions of a sweep frequency generator (‘wobbulator’) and a spectrum analyser. In th...

1-10-2007 | When listening to your favourite CD, any audiophile will at some occasion realise that the CD concerned used to sound better during the prev...