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EURASIP Journal on Wireless Communications and Networking
Fig. 2 | EURASIP Journal on Wireless Communications and Networking

Fig. 2

From: A new portable ELF Schumann resonance receiver: design and detailed analysis of the antenna and the analog front-end

Fig. 2

Magnetic induction antenna. Our magnetic field antenna consists of two identical back-to-back induction coils with mumetal core material. Ιn order to achieve core alignment and excellent connection between the two induction coils, we used a clamp of mumetal sheet. Our antenna output terminals are connected to the preamplifier inputs. A Plexiglas box is also used to protect the antenna and preamplifier stage mainly from moisture and humidity, providing also portability and stability. Through three SMA connectors, the preamplifier output as well as its positive and negative power supply is accessible

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