1
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1answer
103 views

Is Rg, calculated in the linked PDF calculating the pulldowm/pullup resistor for a MOSFET gate?

I stumbled upon the following paper while looking for ways to calculate a specific value for the pullup/pulldown resistor for the gate of a MOSFET. I see several calculations for Rg. Is that the ...
0
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0answers
20 views

Framing error on Rx line in rs485 to ethernet converter [duplicate]

Possible Duplicate: Framing error on Rx line in rs485 to ethernet converter I have a device connected to MOXA nPort 5150 via 4-wire rs-485 cable. Termination resistor inside the converter ...
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votes
3answers
842 views

Pull-up resistor over a microphone

What is the reason of that 1 kilo ohm connected to the microphone? Why always too high resistors are used? I couldn't find any explanation. How do we calculate these values?
5
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3answers
7k views

What is the purpose of a bias resistor?

Could someone explain what "bias" is. And why do some devices need an external bias resistor?