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.
Hi, my friend and I had tried combining lavalier mic and funnel as DIY stethoscope connecting to phone for telemedicine. During a video call, the heartbeat can be clearly heard from the headset but not the lung sound. I think if the signal from lavalier mic can be amplified it would lead to...
I'm trying to sim the input circuit of an audio EQ, but I'm getting only DC at the output.
This is what I'm trying to simulate:
It's the input section of this schematic:
Here's what I've created, the .ASC is attached:
I'm using an LT1057 model as it is described as a drop-in...
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