The EMC Shop stocks and delivers a wide array MIL-STD-461 Radiated Emissions equipment. Applications include: Magnetic Field, Electric Field,Antenna Spurious and Harmonic Outputs.
Radiated Emissions, magnetic field
This requirement is applicable from 30 Hz to 100 kHz for radiated emissions from equipment and subsystem enclosures, including electrical cable interfaces. The requirement does not apply to radiation from antennas.
This test procedure is used to verify that the magnetic field emissions from the EUT and its associated electrical interfaces do not exceed specified requirements.
The test equipment shall be as follows:
a. Measurement receivers
b. Data recording device
c. Loop sensor having the following specifications:
(1) Diameter: 13.3 cm
(2) Number of turns: 36
(3) Wire: DC resistance between 5 and 10 ohms
(4) Shielding: Electrostatic
(5) Correction factor: See manufacturer’s data for factors to convert measurement receiver readings to decibels above one picotesla (dBpT).
d. LISNs e. Ohmmeter
f. Signal generator
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Antenna 30 MHz to 200 MHz, Biconical
Antenna 200 MHz to 1 GHz, Double ridge horn
Antenna 1 GHz to 18 GHz, Double ridge horn
Capacitor, 10 pF
Data recording device
Radiated emissions, electric field.
This requirement is applicable for radiated emissions from equipment and subsystem enclosures, and all interconnecting cables. For equipment with permanently mounted antennas this requirement does not apply at the transmitter fundamental frequencies and the necessary occupied bandwidth of the signal.
This test procedure is used to verify that electric field emissions from the EUT and its associated cabling do not exceed specified requirements.