Re: does this circuit use conventional current?

KodKodKod Learning Consulting wrote:
http://www.kodkodkod.com/database.htm

Hi,

This is a Schmitt Trigger NAND gate (4093). The top and bottom
terminals are Vdd and Vss respectively. Left is the input and the
output is connected to the +ve terminal of LED. I don't see that the
current is flowing into the output as LED is a diode. Btw, I think the
current is flowing from top to bottom through the LED.


I thought the LED was forward biased when current flows from ground, to the cathode, and then into the output (in the case of electron flow). This is why I thought the circuit was represented using conventional flow, where electrons flow from positive to negative.

What do you mean by "conventional current"?

I think I botched this term a bit -- sorry. I think it's proper to say conventional flow.

http://www.kodkodkod.com/database.htm

KodKodKod Learning Consulting - Here you get the answers


Thanks for your help.

--
Mike
.

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