The KT11835T SMT receiving transponder coils for low frequency antennas feature tolerances of ±2%, 3% or 5%, inductance at 125 kHz of between 1 and 12 mH, and an operating temperature range of -40° to ...
An RF signal can be radiated effectively if the linear dimension of the antenna is comparable with the wavelength of the operating frequency. In an RFID application utilizing the VLF (100 kHz – 500 ...
A newly licensed amateur radio operator’s first foray into radios is likely to be a VHF or UHF radio with a manageable antenna designed for the high frequencies in these radio bands. But these radios ...
The KT11835 and KTZ1030, part of KOA Speer’s new KT series of receiving transponder coils for low frequency antennas, feature precision tolerances of ±2%, 3% or 5%, inductance at 125 kHz between 1 ...
An international research team including scientists from the Moscow Institute of Physics and Technology and ITMO University has proposed a way to increase the efficiency of wireless power transfer ...
Marked: "De Forest Coil / Antenna / Pat. 2-17-03 / 10-11-04 / 12-15-05 / 4-22-06 / Other Patents Pending". This antenna is a plug-in unit for use with De Forest D-17 and D-12 Radiophone receivers. A ...
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