"Bradley1234" writes:

"klasspappa[remove]" wrote in message
...
A diod is a diod, not a resistor.
See it as a current source, and put it into a opamp to form a current to
voltage converter...


A diode is a variable resistor.

the circuit reacts around the depletion region to increase or decrease it.
When the p type and n type silicon meet, the charges mix to form a neutral
region which is resistive. if the applied electricity is on one side it
makes that neutral region expand out, if its the other way the neutral
region is compressed

Not really.

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