Ninja Baby 0 Report post Posted March 22, 2008 (edited) Hi People, Just join this forums not long.. very interested to build my own CMoy. Hope you guide can help me out. I recently brought LM741(Single) & TL072(Dual). I manage to get the 2 LM741 working(Inverting Amplifier). I do it on a breadboard. Next I try the TL072 it just wouldn't work. I have also try the following circuit(Without the Power Section). Still wouldn't work. http://tangentsoft.net/audio/cmoy-tutorial...tangent-sch.pdf Edited March 22, 2008 by Ninja Baby Share this post Link to post Share on other sites
alamakazam 0 Report post Posted March 22, 2008 (edited) pins are wrong? both ic pin layout different, check datasheet http://www.ee.nmt.edu/~thomas/data_sheets/LM741.pdf http://focus.ti.com/lit/ds/symlink/tl074.pdf Edited March 22, 2008 by alamakazam Share this post Link to post Share on other sites
Ninja Baby 0 Report post Posted March 22, 2008 I have move LM741 Pin 6 to TL072 Pin 1 and LM741 Pin 7 to TL072 Pin 8. This is the only different I see. I left the TL072 Pin 5, 6 and 7 no connection. Share this post Link to post Share on other sites
alamakazam 0 Report post Posted March 22, 2008 I have move LM741 Pin 6 to TL072 Pin 1 and LM741 Pin 7 to TL072 Pin 8. This is the only different I see. I left the TL072 Pin 5, 6 and 7 no connection. tried it ? Share this post Link to post Share on other sites
Ninja Baby 0 Report post Posted March 23, 2008 (edited) It work. Thanks. I have use all the pin plus I have include the following ground circuit(The Lower Circuit Only). Edited March 23, 2008 by Ninja Baby Share this post Link to post Share on other sites
