EM clamp for immunity testing of...
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|Frequency Range||10 kHz to 1000 MHz|
|Standards Met||IEC/EN 61000-4-6; CISPR 24; EN 61000-6-1; EN 61000-6-2; IEC 60533; IEC 60601-1-2; IEC 61326|
|Application/Test Type||Injects the disturbance signal through a combination of inductive and capacitive coupling|
|Maximum Continuous Power||0.15 to 100 MHz: 100 W for 15 min; 100 to 230 MHz: 100 W for 5 min; 230 to 1000 MHz: 50 W for 3 min|
|Clamp factor (CF)||-.6 dB at 100 kHz to -2.2 dB at 1 GHz (Min -4 dB at 700 MHz|
|Max. Cable Diameter||35 mm|
|Dimensions||666 mm x 135 mm x 120 mm|
|Weight||approx. 14 kg|
The preferred coupling and decoupling devices for IEC/EN 61000-4-6 RF conducted immunity testing are the CDNs, for reasons of test reproducibility and protection of the AE. However, if they are not suitable or available, clamp injection should be used.
Often, clamp injection needs to be applied to multi-pair balanced cables because suitable CDNs might not be available. The Schloder CDN-EMCL-35 current injection clamp establishes both capacitive and inductive coupling to the cable connected to the EUT.
The EM current clamp (in contrast to the conventional current injection clamp) has a directivity ≥ 10 dB, above 10 MHz, so that defined impedance between the common-mode point of the AE and the ground reference plane is no longer required. Above 10 MHz, the behaviour of the EM clamp is similar to that of a CDN.