FCC current probes are manufactured by FCC in the United States and authorized to be sold by EUTTEST. We can provide the authorization certificate for bidding and other operations, contact us for more information.
This article focuses on two FCC current probe test usage instructions for current injection and current monitoring. Specific product models go to the link to check:
FCC Current Probes All Models List|Price
CS - Conducted Immunity Utilization
Current probes are categorized into injection probes and monitoring probes, and generally injection probes are used for CS conducted immunity testing;
Monitoring probe for cable bundle current method test, cable bundle in the standard test need to test all communication cables at the same time, as a rectification and troubleshooting can be used in the way of current probe + spectrometer/receiver to confirm the source of RF signal interference.
Figure 1: Current Probe BCI Test Methods
The BCI closed-loop method of testing requires that both the injection and monitoring probes operate simultaneously to confirm that the sample current actually injected into the EUT DUT meets the standard requirements.
FCC Current Probe Calibration Method
Current probe calibration requires a standard calibration fixture. The current probe couples high frequency current to the center conductor of the fixture, the left side of the conductor is terminated with a 50-ohm load (note the power), and the right side is connected to a spectrometer to read the standard signal injected into the 50-ohm cable by the current probe.
Figure 2: Current Probe BCI Injection Calibration Methods
CE-Conducted Emission Utilization
Conducted emission testing, especially the current probe test method required by the CISPR25 standard, requires the testing of interconnecting cable interference currents up to 108MHz, which requires the use of a current probe in conjunction with a receiver/spectrometer. The peak and AV values captured after testing need to be compared with the CISPR25 limit line.
Figure 3: Current Probe CE Conducted Emission Test Methods
The US FCC current probes can be made to the following standards:
CISPR32 Current Probe Method Test
IEC/EN 61000-4-6
Mil STD 461/462 E/F/G
GJB151B-2013
EN55022/CISPR 22
Pulsers for Mil Std 188-125
RTCA/DO-160 Section 20 and 22
Bellcore TR-NWT-001 089
SAE Jl5447
EN 55101-4
CSEFA-2
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