Schwarzbeck NNBL 8226 Overview
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This Line–Impedance Stabilization Network (LISN) is designed according to MIL461E or MIL-461F respectively (Measurement of Electromagnetic Interference Characteristics). This corresponds to older versions of CISPR 16–1-2 Chapter 4.2 for a single path with 50 µH + 5 Ohm || 50 Ohm. In opposite to newer CISPR versions MIL has no requirements regarding the phase of the impedance or the decoupling between mains and DuT side of the LISN.
Typical attenuation EuT-terminals to BNC. Individual data is attached to every LISN. The calibration includes a normalisation of the voltage at the EuT terminals of the LISN with terminated LISN output. Then the measurement of the insertion loss from the EuT terminals to the BNC terminals of the LISN is made.
Typical Impedance at EuT terminals, BNC terminated. Individual data is attached to every LISN.
The Impedance at the EuT terminals is determined with the BNC-connector terminated with 50 Ohm. The use of an appropriate calibration adapter is mandatory to get accurate results.
Circuit Diagram (schematic)
| Schwarzbeck NNBL 8226 Specifications | ||
| Frequency Range | (9) 150 kHz - 100 MHz | |
| Max. cont. current | 70 A | |
| Max. current (limited time) | 100 A | |
| Max Voltage (DC) | 250 V | |
| Max. Voltage (AC 50/60 Hz) | 250 V | |
| Max. Voltage (AC 400 Hz) | 140 V | |
| Impedance | (50µH+5Ohm)||50Ohm (+/- 20 %) | |
| DC-Resitance mains-EuT | ca. 10 mOhm | |
| Weight | 4.5 kg | |
| Dimensions (housing WxHxD) | 0.22x0.22x0.26 m | |
| EuT Connectors | Wing terminals | |
| Supply Connectors | Wing terminals | |
| Connector for receive | BNC female 50 Ohm | |
