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RF – Radio Circuits

More circuits about oscillator, pulse, frequency , and others.

:: Home » RF - Radio Circuits
NE567 Datasheet Tone decoder_phase-locked loop and example circuits
Posted inRF - Radio Circuits

NE567 Datasheet Tone decoder/phase-locked loop and example circuits

Imagine we want to detect the frequency. But we will use what methods or equipment is appropriate. Choose NE567 is Better. Why? The NE/SE567 tone and frequency decoder is a…
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April 5, 2020Posted inRF - Radio Circuits4 Comments
transistors crystal Oscillator circuit
Posted inRF - Radio Circuits

Transistor Crystal Oscillator circuit ideas

If you are looking for a constant frequency generator that easy and inexpensive. Here are the transistor crystal oscillator circuit ideas. They may help you works finish. There are 4…
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February 16, 2020Posted inRF - Radio Circuits9 Comments
Handheld Electronic Pulse Massager circuit
Posted inRF - Radio Circuits

Simple Portable Electronic Pulse Massager circuit

This is simple handheld electronic pulse massager circuit. Which helps relax the muscles by electric pulse waves. Ideal for those muscles all the time. [...]
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February 16, 2020Posted inRF - Radio Circuits13 Comments
Hum filter using the electronic coil
Posted inRF - Radio Circuits

15 Filter circuits using electronic coil

I love to collect a lot of circuits.  A filter circuit is important in Electronics.  I will show you many ideas of noise hum, high-low frequency and more. Some you will…
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December 12, 2018Posted inRF - Radio Circuits5 Comments
Audio noise filter circuits using 2N3819 FET
Posted inRF - Radio Circuits

4 ideas of noise filter circuit

If you are looking for a noise filter circuit. I have 2 circuit ideas for you. They use a transistor and FET as main components. So, easy to make.
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December 11, 2018Posted inRF - Radio CircuitsNo Comments

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