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RF energy harvesting for low power electronic devices: student project

Mihaylov K

International Journal of Microelectronics and Computer Science

2014

Vol. 5, nr 1

41--45

Different methods for RF energy harvesting from radio transmitters with working frequency of up to 108 MHz are examined. Experiments are conducted especially with the LW transmitter near Vakarel village (261 kHz) (Soﬁa, Bulgaria) and the transmitter of the National Radio “HristoBotev” at radio- tower “Kopitoto” (92. 9 MHz) (Sofia, Bulgaria). Partial success is achieved with electrically small loop antenna resonated at 261 kHz.