Tiny UHF Tracker Transmitter

Tiny UHF Tracker Transmitter

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@ instructables.com writes:

This is a little circuit that could be used to track an object up to 400m.

It is essentially an SAW stabilized OOK modulated RF transmitter. The modulation is done with two low frequency ultra low power oscillators that activate the transmitter every two seconds for a short period.

With the setup shown here I got up to 400m range. Current consumption is about 180uA average so it’ll work for a couple of days with the little button cell. Frequency 915MHz.

Tiny UHF Tracker Transmitter – [Link]

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Mike is the founder and editor of Electronics-Lab.com, an electronics engineering community/news and project sharing platform. He studied Electronics and Physics and enjoys everything that has moving electrons and fun. His interests lying on solar cells, microcontrollers and switchmode power supplies. Feel free to reach him for feedback, random tips or just to say hello :-)

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