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  • Welcome to our site! Electro Tech is an online community (with over 170,000 members) who enjoy talking about and building electronic circuits, projects and gadgets. To participate you need to register. Registration is free. Click here to register now.

Need a circuit

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volvagia720

New Member
I need to build a circuit for a class. But I have no ideas on what circuit to make. It has to contain atleast 1 diode, one op-amp, and one transistor. Take an input of some type to get an output with some LED's. Do you have any ideas on what I could make?
 

chemelec

Well-Known Member
I need to build a circuit for a class. But I have no ideas on what circuit to make. It has to contain atleast 1 diode, one op-amp, and one transistor. Take an input of some type to get an output with some LED's. Do you have any ideas on what I could make?

How about this?
**broken link removed**

Just depends on What you call an Input?
 

volvagia720

New Member
Sorry, I should have specified, I am using either an AC function generator, or a dc signal, or both. And there should be different outputs based on how i start my inputs.
 
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