Line Impedance Stabilisation Networks (LISN) and accessories
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Tekbox Line Impedance Stabilisation Networks
LISNs are key components in EMC testing. To monitor for unwanted emissions on the supply line, the LISN is inserted into the supply line of the DUT and used in conjunction with a test receiver or spectrum analyser. Typically, the receiver or spectrum analyser is controlled by software such as EMCview. The software ensures that the analyser settings comply with the CISPR 16 specifications and allows you to load and run preconfigured tests for all major EMC standards. Measurement data points are plotted against the limits of the selected standard and can be exported as a test report. One of the most important features of a LISN is that it provides a fixed source impedance for the DUT. This ensures that the measurement is repeatable regardless of the output impedance of the power source used. This feature is also used in many other EMC test setups where LISNs are used to establish a fixed supply impedance rather than to measure radiated emissions. As a result, LISNs can be found in test setups for radiated emissions, immunity testing and a variety of other applications.
Tekbox LISN, TBL5000 series
| Model | TBL5016-1 | TBL5016-2 | TBL5016-3 | TBL5032-3 |
|---|---|---|---|---|
| Frequenzy range | 9 kHz-30 MHz | 9 kHz-30 MHz | 9 kHz-30 MHz | 9 kHz-30 MHz |
| Impedance | 50 Ω (50 µH + 5 Ω) | 50 Ω (50 µH + 5 Ω) | 50 Ω (50 µH + 5 Ω) | 50 Ω (50 µH + 5 Ω) |
| Further specs | 6 A LISN 1 path CISPR16-1-2, MIL-STD461F LISN type: V-AMN, configurable as 50 Ω/50 µH + 5 Ω or 50 Ω/50 µH Maximum current: 16 A continuous Operating voltage range: 0-250 VDC; 0-250 VAC (50/60 Hz), 0-120 VAC (400 Hz) Fuse: 2x 16 A slow High current plug/screw terminals - male: Phoenix Contact 1998933, female: Phoenix Contact 1967375 Dimensions (mm): 250 x 225 x 140 (incl. ground brackets) 2.7 kg | 6 A LISN 2 paths CISPR16-1-2 Artificial hand: 220 pF + 511 Ω Switchable PE: 50 Ω||50 µH Limiter/attenuator: 150 kHz-30 MHz; 10 dB Air core inductors Line voltage: max. 240 V/50-60 Hz Max. current: 16 A at 23 °C DUT socket: Country specific Measurement connector: 50 Ω BNC Power connector: IEC 60320 C19 Operating temperature: +5-+40 °C; 5-80 % rel. humidity Safety: Safety Class I, IEC 1010-01 | 16 A LISN 3 paths CISPR16-1-2 Artificial hand: 220 pF + 511 Ω Switchable PE: 50 Ω||50 µH 250 µH pre-filter Separate RF outputs for each line and neutral Air core inductors Line voltage: max. 540 V/260 V/50-60 Hz, CAT II Max. current per line and neutral: 16 A at 23 °C each 3-phase DUT socket: CEE/IEC60309, 3L+N+PE, 16 A, female Single-phase DUT socket: Country specific Power connector: CEE/IEC60309, 3L+N+PE, 16 A, male Measurement connectors: 50 Ω BNC Operating temperature: +5-+40 °C; 5-80 % rel. humidity Safety: Safety Class I, IEC 1010-01 | 32 A LISN 3 paths CISPR16-1-2 Artificial hand: 220 pF + 511 Ω Switchable PE: 50 Ω||50 µH 250 µH pre-filter Separate RF outputs for each line and neutral Air core inductors Line voltage: max. 540 V/260 V; 50-60 Hz, CAT II Max. current per line and neutral: 32 A at 23 °C each 3-phase DUT socket: CEE/IEC60309, 3L+N+PE, 32A, female Single-phase DUT socket: country specific Power connector: CEE/IEC60309, 3L+N+PE, 32 A, male Measurement connectors: 50 Ω BNC External 9 kHz high pass filter, N-male/N-female Operating temperature: +5-+40 °C; 5-80 % rel. humidity |
Tekbox, other LISN models
| Model | TBOH01 | TBL0550-1 | TBL05100-1 | TBLC08 |
|---|---|---|---|---|
| Impedance | 50 Ω 5 µH | 50 Ω 5 µH | Configurable, 50 Ω 5 µH + 1 Ω, 50 Ω 5 µH | (50 µH+5 Ω)//50 Ω |
| Frequency range | 150 kHz-108 MHz | 150 kHz-108 MHz | 150 kHz-30 MHz | 9 kHz-30 MHz |
| Path | 1 | 1 | 1 | 2 |
| Max. current | 10 A | 50 A | 100 A | 8 A |
| Max. voltage | 60 V nominal | 60 V nominal | 250 V nominal | 240 V |
| EUT socket | 4 mm (banana) | Phoenix high current | Phoenix high current | Country specific mains socket |
| Additional features | | | | Filter/limiter/attenuator, switchable Artificial hand connection PE switchable: 50 Ω 50 µH |
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