Pseudo-stereo adapter

TDA3810 is an old spatial, stereo and pseudo-stereo sound circuit who is hard to found, so I search replacement solution.

In an old romanian book named “Electronica peste tot’ (Electronics everywhere) writted by mr. I.C.Boghitoiu,  I found exactly what I want

I design a version for board in Autodesk Eagle PCB software !

Phase shift depends by frequency theu C3 (variable reactance X3 with frequency) and P1 variable resitor value:

This circuit can be adapt to use with operational like TL074:

HERE is board in pdf format !

You may also like...

9 Responses

  1. Thanks in support of sharing such a nice thought, paragraph is pleasant, thats why i have read it entirely

  2. Hi, I do think this is an excellent blog. I stumbledupon it 😉 I will come back yet again since i have saved as a favorite it. Money and freedom is the best way to change, may you be rich and continue to guide others.

  3. My relatives always say that I am wasting my time here at net, except I know I am getting knowledge daily by reading thes fastidious articles.

  4. gold tip says:

    Keep this going please, great job!

  5. you’re truly a excellent webmaster. The site loading pace is amazing. It seems that you’re doing any distinctive trick. In addition, The contents are masterpiece. you’ve performed a wonderful activity in this subject!

  6. Hey There. I discovered your weblog the use of msn. That is a really neatly written article. I’ll make sure to bookmark it and return to learn more of your helpful info. Thanks for the post. I will certainly return.

  7. example says:

    It’s going to be ending of mine day, but before end I am reading this fantastic piece of writing to increase my knowledge.

  8. Coconu Cristian says:

    Cu Boghitoiu am crescut ,ca sa zic asa. Felicitari domnule Nicu Florica ! Mi-a placut foarte tare faptul ca folositi imaginea originala.

Leave a Reply

Your email address will not be published. Required fields are marked *