Jan 12, 2013 #1 M McDroo Newbie level 3 Joined Jan 8, 2013 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,305 I am trying to construct this amplifier circuit with an LM386 Chip. Can anyone tell me if they see any errors? I cannot get it to work.
I am trying to construct this amplifier circuit with an LM386 Chip. Can anyone tell me if they see any errors? I cannot get it to work.
Jan 12, 2013 #2 tpetar Advanced Member level 7 Joined Sep 27, 2010 Messages 6,417 Helped 1,713 Reputation 3,456 Reaction score 1,673 Trophy points 1,393 Location Pancevo-Belgrade, Serbia Activity points 37,363 What you amplify? Remove R1 and R2, check polarity orientation on C3 and C2. Try this circuit:
Jan 12, 2013 #3 M McDroo Newbie level 3 Joined Jan 8, 2013 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,305 I'm trying to amplify an mp3.
Jan 12, 2013 #4 tpetar Advanced Member level 7 Joined Sep 27, 2010 Messages 6,417 Helped 1,713 Reputation 3,456 Reaction score 1,673 Trophy points 1,393 Location Pancevo-Belgrade, Serbia Activity points 37,363 Then from post #2 circuit remove left part all up to C2 and VR1. Input will be on C2 positive. VR1 set on highest value of resistance, then when you turn on adjust VR1. Check batteries. Check common ground. Replace LM386.
Then from post #2 circuit remove left part all up to C2 and VR1. Input will be on C2 positive. VR1 set on highest value of resistance, then when you turn on adjust VR1. Check batteries. Check common ground. Replace LM386.