Passive and semipassive RFID tags do not use a radio transmitter; instead, they use modulation of the reflected power from the tag antenna. Reflection of radio waves from an object has been a subject ...

Trolling eBay for parts can be bad for your wallet and your parts bin. Yes, it’s nice to be well stocked, but eventually you get to critical mass and things start to take on a life of their own. This ...

NCPR broadcasts throughout the North Country on FM. FM is a truly wonderful thing … if handled correctly. To receive and enjoy our quality programs to the fullest, you'll need the three A's of radio: ...

To get the average power for a periodic signal, we add up the total power over a cycle and divide by the cycle time. This gives us a factor of (1/2), the average value of cos 2: Sometimes people ...