While this book excerpt from The RF in RFID:Passive UHF RFID in Practice, focuses on RFID applications, it is an excellent primer for RF basics. Part 1 covers electromagnetic waves, signal voltage, ...
(click thumbnail)Fig. 1: Milton Silam adjusts the Top Spin Fractal Coefficient prior to making field-strength measurements with a sheet-copper prototype of the TSP antenna. A special receive antenna ...
A horizontally-polarized low-power transmitting aerial designed for propagation measurements in Band V (610-960 Mc/s) is described. The aerial was originally designed for operation in a narrow ...
The following is excerpted from Chapter 3: Radio Basics for UHF RFID from the Book, The RF in RFID: Passive UHF RFID in Practice by Daniel M. Dobkin. Order a copy of The RF in RFID: Passive UHF RFID ...
Last month I described how certain weather conditions can lead to inversions that change the refractivity of the atmosphere, allowing the signals from TV stations to be seen well beyond the radio ...
Jerry Coleby-Williams explores different ways of propagating plants by cuttings and looks at three methods: tip cutting, layering and aerial layering. Growing from seed is useful if you’re trying to ...
A horizontally-polarized low-power transmitting aerial designed for propagation measurements in Band V (610-960 Mc/s) is described. The aerial was originally designed for operation in a narrow ...
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