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Download elector (?) docs - Audio equipment,digital audio, home audio, professional audio systems service manuals and repair information

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File name:signal reconstruction below noiselevel.pdf
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Size:502 kB
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elector (?)


Original Chassis:
Descr:Signal reconstruction below noise level schema (orig: Elektuur 02-1989)
Group:Electronics > Consumer electronics > Audio >
Uploaded:2013-01-20 22:49:19
Multipart:No multipart

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signal reconstruction below noiselevel.pdfThe circuit is simple and contains only four opamps, two switches and a few resistors and capacitors. The filter can be used between 100 and 2500 Hz. The externally generated clock frequency may be between 5 and 60 kHz. On the photograph of figure 4 can be clearly seen that the filter is good results: the noise signal is out of the upper in the filtered signal is no longer present. De schakeling is eenvo u d ig van o p zet en bevat slechts vier opamps, twee schakelaars en een paar weerstanden en kondensatoren. Het filter is bruikbaar tussen 100 en 2500 Hz. De extern opgewekte klokfrekwentie mag liggen tussen 5 en 60 kHz. Op de fo t o uit figuur 4 is duidelijk te zien dat het filter goede resultaten oplevert: de ruis uit het bovenste signaal is in het gefilterde signaal niet meer aanwezig. (Elektuur 02/1989)

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