OK,
Get a cup of coffee folks......
Lets just forget the amplitude being 10mV, that was an extreme example. I will most likely be measuring induced voltages anywhere from 100mVpp to 5 Vpp.
I'm more concerned about the amplitude being measured across the terminals actually matching the amplitude on the screen of the oscilloscope. If that makes sense. Just accurate readings.
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It may be better to give an example of the problem I'm having.
Right, I have a signal generator outputting a 1 V peak to peak sine wave at 13.56MHz. When I connect the oscilloscope probe directly to the BNC output connector on the signal generator itself the measured voltage on the oscilloscope is around 560mV (this is the maximum voltage attained after tuning with the compensation capacitor). As I decrease the frequency of the signal the voltage on the oscilloscope increases and eventually reaches the correct 1 Vpp reading. This is when the probe and oscilloscope are set to 1X.
When the probe and oscilloscope are set to 10X then I can tune the voltage to 1V at 13.56MHz with the probe's compensation with a screwdriver.... However.....when I change the pk-pk voltage on the generator to say.....10 Vpp, the reading on the oscilloscope reads as 10.6 Vpp........
Where has the extra 0.6 Vpp come from?
How can I trust these measurements at all?
I know i'm probably missing something so tedious here but this is driving me nuts, hehe. All I want are accurate voltage readings
Please, can someone shed some light on this
Regards