chongmagic Well-known member Dec 17, 2019 #1 I built the Dung Beetle and it is picking up radio signals, cool right? If I turn down the bias knob it goes away. Has any one else had this issue?
I built the Dung Beetle and it is picking up radio signals, cool right? If I turn down the bias knob it goes away. Has any one else had this issue?
Nostradoomus Well-known member Dec 17, 2019 #2 My real basic audio version didn’t do that! Upvote 0 Downvote
chongmagic Well-known member Dec 17, 2019 #3 Hmm I thought maybe the painted enclosure was messing with the grounding but I drilled the holes a tad larger to remove any paint around the jacks. Upvote 0 Downvote
Hmm I thought maybe the painted enclosure was messing with the grounding but I drilled the holes a tad larger to remove any paint around the jacks.
Nostradoomus Well-known member Dec 17, 2019 #4 Shielded wire on your in/out may be beneficial. Upvote 0 Downvote
chongmagic Well-known member Dec 17, 2019 #5 Weird thing is if I touch C1 with my finger on top of the cap it goes berserk. I may try to reflow it. Could be a cold solder joint. Upvote 0 Downvote
Weird thing is if I touch C1 with my finger on top of the cap it goes berserk. I may try to reflow it. Could be a cold solder joint.
chongmagic Well-known member Dec 17, 2019 #6 Fixed it, LED was touching the board, put some electrical tape on it and fuzz gods are happy. Upvote 0 Downvote