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.
Is it possible to make an audio amplifier transmit radio signals when connected to its output with a ferrite coil or any other loop antenna and make the signal receive with another audio amplifier?
I have this question in my mind because of these reasons:
1. An audio amplifier can respond to...
Hello everyone
Link
I'm working this circuit for a weeks.
But i can't seem to understand full details and it's working since i'm almost newbie to Radio Communications.
So i have few questions on this circuit.
1.Can anyone explain me deeply about this circuit?
2.Is it possible to change antenna...
Hi, I don't have much knowledge about electronics but I have bought a remote switch using which one can remotely (100 meter distance) turn on/off a light or any other appliance. There is a two buttons "bpt" intercom in my unit. I want to use this remote switch with that intercom such that...
Hello everyone.
Hopefully this is the right place to post this, I've been asking all over the internet for help identifying this object I have pictures of and this place seems like an active place to ask. I'm not the first person to try identifying this, but I do believe I've been the most...
I was looking for an 1MHz oscillator for AM radio transmitter circuit. But I couldn't find one with the 4 pin crystal quartz oscillator. How to make an oscillator by myself with basic electronics materials? Any Circuit or ideas?
hello guys
i found in my electronics salvage an old ic its a TDA3845 when i searched for it and looked at the datasheet i saw that its
a Quasi split-sound circuit and AM demodulator .
so my question is :
1- what is Quasi split mean ??
2- i was wondering can i use it to make an AM or FM radio...
It it possible to use some ancient vintage NPN germanium transistors' base/emitter as a 2-lead germanium diode?
What about the higher-frequency BFY90?
I have been given a "scrap" box full of old OC76 and (OC90?).
Simply for experimentation in RF filters & tanks.
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