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  • Users: mattisback
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  1. mattisback

    Small Antenna Close to Ground

    Hi All, I have a system which is essentially just a one-way 2.4GHz digitally encoded radio. The transmitter is quite small (PCB 1x2cm) and the receiver is a lot larger. On the receiver is an ordinary +5dBi rubber ducky antenna. The transmitter uses an antenova Impexa (A6150) chipscale...
  2. mattisback

    GPS antenna in small device.. A few questions.

    Hey Everyone, I am designing a small GPS tracking device and I had a couple of questions regarding selection of a GPS antenna. I've done a fair bit of research into this but I really don't know all that much about RF which is why I'm here asking for assistance. First things first, the device...
  3. mattisback

    Running 3.3V MCU from 12V battery efficiently

    Hey, I have been trying to get my head around how to tackle the problem of powering a microcontroller that runs on 3.3V from a 12V supply. The power supply is a simple battery and will be deployed 'in the field' for long periods of time (1 or 2 years) so it is essential that the 12V to 3.3V...

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