FESP 5132 SCHWARZBECK Radiating Ring Antenna

Introduction：

The FESP 5132 Radiating Loop Antenna, manufactured by Schwarzbeck, Germany and distributed by EUTTEST, generates a magnetic field of up to 1500 A/m in a short period of time. It is also a magnetic coil that can be hand-held to emit magnetic fields and is designed to generate defined magnetic field strengths in the audio frequency range up to 100 kHz. The main application is immunity testing of magnetic fields according to EN 55103 and MIL-STD-461 E / F, GJB151B-2013.

This ring antenna can also be used to measure magnetic fields in the field. The open-circuit output voltage is proportional to the magnetic field strength (at a fixed frequency) or proportional to the frequency (at a constant magnetic field strength). To do this, you need to connect the radiating loop antenna to a frequency-selective 50-ohm measurement instrument, such as a spectrum analyzer or an EMI test receiver.

Magnetic field strength versus coil current:

The radial loop antenna produces a magnetic field strength proportional to the coil current. With the Distance Positioning Accessory, the coil can be spaced precisely 50 mm from the coil to the surface of the EUT, and other distance positioning accessories can be used to scale the current-to-field strength ratio. The highest field strength levels can be achieved using the shortest loop. Other distance positioning accessories can be requested by contacting EUTTEST to provide a ratio between coil current and field strength (e.g. 1 amp coil current = 100 amps/meter field strength).

Magnetic field strength at 50mm

Technical parameters：