- Topology: V-LISN
- Frequency Range: 9 kHz – 30 MHz
- Pre-filter choke: 250 µH
- Impedance simulation: 50 Ω || (50 µH + 5 Ω)
- Max. Voltage: 1000 VCD, 750 VAC 50/60 Hz
- Max. Current: 50 A
- Length: 550 mm
- Width: 450 mm
- Height: 290 mm
- Weight: 22.2 kg
- Standard: CISPR 16-1-2
Line Impedance Stabilization Networks (LISN)
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Schwarzbeck NSLK 8122 Line Impedance Stabilisation Network
The purpose of a LISN is to provide the device under test with energy, to carry the interference voltage to the EMI measurement receiver and to load the RF emitted by the device under test with standardized impedance.
The NSLK 8122 Line Impedance Stabilisation Network is equipped with a multilayer 250 µH choke as well as with a 50 µH choke which is connected in series for each path. The multilayer choke provides an excellent decoupling between the power supply and the device under test starting at 9 kHz.
The NSLK 8122 may only be used by qualified personnel! The device under test may only be connected to or disconnected from the LISN when no voltage is applied to the LISN at all.
Apply voltages to the LISN only after providing reliable connection to earth. Due to high capacities very high leakage currents can occur (i.e. 1.5 A at 630 VAC/50 Hz). Thus it is not possible to use a residual current operated circuit breaker. It is recommended to use an isolating transformer.
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