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.
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.
I am stuck with this project here. I was trying to make a voltage controlled current source which can generate 1A with 5V. I used a digaram of 741. But it didn't work. Is there anyone who can help me with showing me a circuit that can work? Thanks.
I need some help with a simple circuit - I want to convert the difference between 2 resistors (actually 10K thermistors) into a linear 2-10 vdc voltage output. If the resistances are the same, the output voltage is low, the greater the difference the higher the output voltage up to 10vdc. I am...
This circuit is a basic current source, with the current through RL = Vs/Rsense. With a circuit like this, for purposes of choosing the op-amp properly, what would the gain be? Some opamps are optimized for unity gain, some for gains > 5 or > 10. With a voltage-in, voltage-out circuit it's easy...
Around six months ago I managed to burn my middle finger big time, by touching a TO220 transistor in a constant current source out of control. Yesterday I repeated the burning experience and dare to say the effect was even worst when testing the circuit here below.
Both channels were...
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