Tagged Questions
4
votes
1answer
40 views
Why Johnson's noise is not uniform when plotted in log mode?
I have a 2 resistors of 1000 k each , I have connected them in series and biased one end with +9 V and other end with +9 V.
The output is taken from connection point of two resistors and I have given ...
4
votes
2answers
211 views
Low noise, high voltage resistors
What type of resistor technology would be best suited for a voltage divider that must be in the 10+ megaohm range that can work at a voltage of 800V+ across one resistor and have low as possible ...
6
votes
3answers
359 views
Johnson noise potential divider
A quick question: If I have a potential divider with two 10kΩ resistors, is the noise that you would measure between the two resistors simply the the Johnson noise of a 20kΩ resistor?
On a ...
4
votes
3answers
449 views
Resistor Noise - What it will have effect on, in a circuit?
Reading the article resistor noise and knowing that resistor noise is in the form of Voltage (is that thr right expression?!) leaves me wondering that this generated voltage will have only eefect ...
0
votes
1answer
1k views
EMF Detector Sensitivity
A fun little project I've been working on is an EMF detector using my recently acquired Arduino. It is based off of the guide at http://www.aaronalai.com/emf-detector, primary differences being my own ...
