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  1. Increazon

    Convert bipolar Op-amp schematic to single source Op-amp

    I want to build Colpitts Oscillator Op-amp Circuit from here https://www.electronics-tutorials.ws/oscillator/colpitts.html In the schematic it uses classic Op-amp 741 with 2 voltage sources. I have only Op-amp LM358 which using single voltage source. What changes i need to do to schematic to...
  2. sr13579

    How to make a 5 V 1A adapter with 741 op amp?

    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.

    Design specific trial on Hearing Aid

    Hello Sir, I have been posted this idea in another group,http://www.eevblog.com/forum/projects/a-hearing-aid-amplifier/ ;) Many of them suggested many idea, but let me start it again for particular design, It looks clear, I have been trying 1. Treble and Bass control by frequency...

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