Tagged Questions
1
vote
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
votes
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 ...
0
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
votes
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?