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I was so into finding the perfect H,F valuses that i totally forgot about my op amp: it indeed makes sense that a those frequencies the Operational becomes the bottleneck of the system. Ill try out your configuration and let you know if i have other questions.
Thank you guys for your answers. I will try the circuit FvM posted, but i already used BradtheRad's suggestion on my current op amp oscillator and it did work! but im still having issues finding the right capacitance value to make the circuit oscillate with lower inductances( 1uH to 100nH) as it...
Hi,
while working on another project i came into the need of calculating the inductance of a custom made inductor so, for didactical purposes, i started this new project of creating an LC meter using arduino.
The software side is not hard, but problem is that im not able to create a sufficient...
The odd thing is that building it on breadboard sometimes doesnt work so, after verifying that there arent misplaced components, i re-assemble the circuit and somehow it starts working properly again with no distortion and no overheating.
So id say that the problem cant be in the supply but...
So i tried to mount it again on breadboard and after working for a couple of minutes i touched the heatsink to feel if it was heating up and then it stopped working and again hummed and heated up. i tried to put some caps here and there but at least for now i didnt solve anything. I used an...
Done, but unfortunately thats not the problem here.
Its not the power supply cause i checked it again and there's no ground to vcc short. I tried also to mount the circuit on another stripboard cause i thought the maybe having the supply on the same board could somehow affect it but nothing...
Hello,
as mentioned in the title, i bought a LM1875 as i wanted to build an audio Amplifier. I first built the "standart" circuit ive read on the datasheet, on the breadboard. As everything worked fine, i welded it on stripboard but it didnt work anymore: the speaker begun the hum, the ic...
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