Maybe voltages V+ and V- get affected?
Announcement
Collapse
No announcement yet.
Serbian "Most Wanted"
Collapse
X
-
Originally posted by salih View Postin my SMW I have problem There is an inverse relationship between sensitivity and volume key . When the sound is low Detecting coin in the air 40cm . When the sound is high Detecting coin in the air 29cm. I use BC517 Instead of MPSA13. help.
Comment
-
Comment
-
Originally posted by salih View Postin my SMW I have problem There is an inverse relationship between sensitivity and volume key . When the sound is low Detecting coin in the air 40cm . When the sound is high Detecting coin in the air 29cm. I use BC517 Instead of MPSA13. help.
Comment
-
you r really helped me
Originally posted by eduardo1979 View PostYou must connect the negative speaker wire just where is connected the negative cable from the battery. The negative rail of the PCB, it is no able to supply the necessary energy. In the past I have had the same problem. Hope you helps.
Comment
-
Very true. It is also true for all other detectors. It also means that your detector is optimally set with gains and all. What you experienced is noise reduction of some 6-10 dB.
Now imagine using LF frequencies instead, where background noise is even less.
Comment
-
bc 160 transıstor -2v7 delete ....led dıode fine ....ferros nonferros led diode
Comment
-
-
Originally posted by mst View PostDo you wash dishes a lot?
Comment
Comment