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What is this symbol

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gophert

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Hi All

Can I know the name of the symbol below? Is it op amp?

View attachment 116268
The triangle simply means it's an amplifier. I am guessing it is a modulating amplifier (for a transmitter) where the modulated frequency is introduced to the carrier frequency.
 

kubeek

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or an error amplifier inside a switch mode psu controller. Can you post the whole thing? Even in electronics without the context you can just keep guessing until the cows come home.
 

gophert

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Most Helpful Member
Also, check the whole drawing to look for "mod" as a footnote or other text explanation.
 
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