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Uneducated question

roughshawd

Jul 13, 2020
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On a schematic or block diagram, if there is a triangle device with lines to it, what in the description of its function does a circle attached to a wire connected to it idealize?
 

loadhead

Nov 27, 2023
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I need a picture, I dont know what u mean, op-amp schems I just looked at dont have circles around the op-amp.
 

roughshawd

Jul 13, 2020
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Water batons do not dip their op amps in blackwater ponds.... Not around the op amp, but on the line what is supposed to connect to the triangle thingy... (OP amp symbol has a line with a circle at the triangle where the line connects)

When these are on a network in regular schematic, they represent terminators of various types.. especially in differentials

But dearly exposed, and hand drawn circuits are already very confining, they would as it was, probably mark actual connection to the operational amplifier... That is on the places oneust connect to it. Maybe.

Then in a diodic circuit they could mark the polarity involved at any specific point in the operating system.
 

bertus

Moderator
Nov 8, 2019
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Hello,

Do you mean the logic inverter?
Logic_symbols.jpg
The small cirkel on the output inverts the signal.

Bertus
 

Minder

Apr 24, 2015
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Sounds like a protected earth GND symbol?

1701467645206.png
 

Delta Prime

Jul 29, 2020
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Hey Ratstar, you have returned:)
Danger! Here be dragons...

The only thing missing below is a triangle with a circle which is a (not gate)or inverter
1701473400695.png
Also negative edge trigger for clock.
1701474047620.png
 
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