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Passive Filters:  Crystal  Circuits
Passive Filters -- Main Page


 

Last Updated: December 31, 2017 06:43 AM


Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

Cheap Crystal filter-  Ladder filter using six 4.43MHz Crystals.  Building cheap side band filter for your home brew SSB Rig__

Variable Crystal Filter-  Crystal filters are often used for IF filters in receivers, where the bandwidth of this filter largely determines the selectivity of the receiver.  The unique feature of the filter described here is that the bandwidth has been made adjustable.  must register on this site __ Designed by Published in Elecktor July/Aug, 2010




Passive Filters:  Crystal Circuits


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