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Audio Delay Line

TDA1022-based DIY Audio Delay Line

Courtesy/Thanks to: Radio & Electronics Constructor/I. M. Attrill

Description: This is an audio delay circuit which is based around the TDA1022 BBD chip.

The circuit was originally published in the February 1980 issue of the (now defunct) magazine, "Radio and Electronics Constructor".

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Added 2012-08-18 13:47:30 by Quornhog

I made a few mistakes when adding the files. Unfortunately I can't work out how to correct them, so please note that page 6 includes the components list, not the tracks on the circuit board. Furthermore, I can't work out how to add a "Parts List" (which other projects have) so here is a list of the semiconductors: TDA1022; NE555; CD4025; BC109 (2 off). Apologies for any inconvenience.

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Files
page_1.png
   
page_1.gif
   
page_2.gif
   
page_3.gif
   Circuit diagram
page_4.gif
   Stripboard, component side.
page_6.gif
   Stripboard, track side.
page_7.gif
   
page_5.gif
   Stripboard, track side.
TDA1022-b.pdf
   Datasheet for the TDA1022 (in english)
Parts used
555
   134
TDA1022
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