Quote:
Originally Posted by FrancoItaly
Hi Bill512,
Good work, I want to add that in this LRL can be added also the measure of the signal amplitude as in the LRL with quartz at 8MHz, in fact the amplifier is the same in the two cases. I have done this in a particular LRL to see if there were differences between the various metals by comparing measurements of phase and amplitude, but it seems that there is no difference.
Regards
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Hi Franco,
while playing around with the FrancoPPL, I noticed that close to power sources or close to "potencial anomalies from buried metals", the Led goes off.
The same happens in the voltage at pin 1 of the LM358.
Is this normal? or maybe there is some mistake in my PCB?
regards