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Schwarzbeck LISN / AMN Solutions

Schwarzbeck family of LISN and AMN Solutions

Schwarzbeck LISN Overview Matrix

Model

Topology

Impedance

Current

max.

Paths

Options

CISPR 16-1-2 Socket (V-LISN CISPR 16-1-2)

NSLK 8117

V-LISN

(50 µH + 5 Ω) || 50 Ω

2 x 10 A

2

 

NSLK 8127

V-LISN

(50 µH + 5 Ω) || 50 Ω

2 x 16 A

2

RC, PLC

NSLK 8126

V-LISN

(50 µH + 5 Ω) || 50 Ω

2 x 16 A Schuko
4 x 16 A CEKON

4

RC

NSLK 8128

V-LISN

(50 µH + 5 Ω) || 50 Ω

2 x 16 A Schuko and
4 x 32 A CEKON

4

RC

NSLK 8163

V-LISN

(50 µH + 5 Ω) || 50 Ω

4 x 64 A CEKON

4

RC

 

CISPR 16-1-2 Wing Terminals (V-LISN CISPR 16-1-2)

Model

Topology

Impedance

Current

max.

Paths

Options

NNLK 8121

V-LISN

(50 µH + 5 Ω) || 50 Ω

4 x 50 (100) A

 4

RC, Hochstrom, 400/700V, Lüfter

NSLK 8122

V-LISN

(50 µH + 5 Ω) || 50 Ω

2 x 50 A

 2

 

NNLK 8129

V-LISN

50 µH || 50 Ω

4 x 200 (300) A

 4

RC, 400/700 V, Lüfter

NNLK 8129-2 HV

V-LISN

50 µH || 50 Ω

2 x 200 (300) A

2

RC,TC

NNLK 8130

V-LISN

50 µH || 50 Ω

4 x 400 (500) A

 4

RC

NNLK 8140

V-LISN

50 µH || 50 Ω

1 x 800 (1000) A

single

 

 

Automotive LISN

NNHV-8123 Series of HV-LISNs acc. to CISPR 25 Ed. 4 or BMW GS 95025-1

Model

Topology

Impedance

Current

max.

Paths

Options

NNHV 8123

V-LISN

5µH || 50 Ω

70 (100) A

single

 

NNHV 8123-200

V-LISN

5µH || 50 Ω

200 A

single

 

NNHV 8123-400

V-LISN

5µH || 50 Ω

400 A

single

 

NNBM 8124 Series of Single Path LISN (Automotive) CISPR 25 / ISO 7637

Model

Topology

Impedance

Current

max.

Paths

Options

NNBM 8124

V-LISN

(5µH + 1 Ω) || 50 Ω

70 (100) A

single

N-connector

NNBM 8124-200

V-LISN

(5µH + 1 Ω) || 50 Ω

200 A

single

N-connector

NNBM 8124-400

V-LISN

(5µH + 1 Ω) || 50 Ω

400 A

single

N-connector

NNBM 8124-800

V-LISN

(5µH + 1 Ω) || 50 Ω

800 A

single

N-connector

NNBM 8126 A 890

V-LISN

5 µH || 50 Ω

70 (100) A

single

DO-160

TSC 7042 Toyota standard TSC7042G
Single path low-impedance AMN Automotive LISN

Model

Topology

Impedance

Current

max.

Paths

Standard

TSC 7042

AMN

5 µH || 50 Ω

70 (100) A

Single

Toyota standard TSC7042G

BAN Broadband Artificial Networks
acc. ISO 11452-7 or DC-10614

Model

Topology

Current max.

Paths

 

BAN 8508

 BAN broadband artificial network

 

8 A (DC)

single

 

BAN 8530

 BAN broadband artificial network

 

30 A (DC)

single

 

DC-Block 500

 DC-blocking capacitor

 

30 A (DC)

single

 

HV-LISN acc. to CISPR 25 Ed. 4 or BMW GS 95025-1

Model

Topology

Impedance

Current

max.

Paths

Options

NNHV 8123

V-LISN

5µH || 50 Ω

70 (100) A

single

 

NNHV 8123-200

V-LISN

5µH || 50 Ω

200 A

single

 

NNHV 8123-400

V-LISN

5µH || 50 Ω

400 A

single

 

NNHV 8123-800

V-LISN

5µH || 50 Ω

800 A

single

 

Accessories for Automotive LISN

CAP 0.9 – 400

 0.9 μF capacitor for NNHV LISN’s

CAP 10 – 10

 10 µF Capacitor for NNBM 8124

CAP 10 8226-2

 10 μF capacitor for NNBL 8226-2 LISN and for military equipment

CAP 10-200

 

10 Microfarad Capacitor

 

 

HVSE 8600

 

Shielded Enclosure for Automotive LISN

 

 

KA 812x

Calibration adapters

 

 

 

Avionic DO-160 LISN’S

Model

Topology

Impedance

Current

max.

Paths

Options

NNBM 8124

V-LISN

(5µH + 1 Ω) || 50 Ω

70 (100) A

single

N-connector

NNBM 8124-200

V-LISN

(5µH + 1 Ω) || 50 Ω

200 A

single

N-connector

NNBM 8126 A 890

V-LISN

5 µH || 50 Ω

70 (100) A

single

 

NNBM DO160-1500

V-LISN

5 μH || 50 Ω ±20 %

280 A

single

N-connector

 

MIL LISNS for MIL-461 and MIL-462L

Type

Topology

Impedance

Current

max.

Paths

Options

NNBL 8225

V-LISN

(50 µH + 5 Ω) || 50 Ω

20 A

single

 

NNBL 8226

V-LISN

(50 µH + 5 Ω) || 50 Ω

70 (100) A

single

 

NNBL 8226-HV

V-LISN

(50 µH + 5 Ω) || 50 Ω

70 (100) A

single

 

NNBL 8226-2

V-LISN

(50 µH + 5 Ω) || 50 Ω

70 (100) A

2

 

NNBL 8229-HV

V-LISN

(50 µH + 5 Ω) || 50 Ω

200 A

single

 

NNBL 8230

V-LISN

(50 µH + 5 Ω) || 50 Ω

300 A

single

 

NNBL 8240

V-LISN

(50 µH + 5 Ω) || 50 Ω

800 (1000) A

single

 

 

T-ISN (ISN / T-Networks)

Type

Topology

Impedance

Current

max.

Paths

Options

CAT3 8158

T-ISN

150 Ω ± 20 Ω

600 mA DC (pair)

 2

 

CAT5 8158

T-ISN

150 Ω ± 20 Ω

600 mA DC (pair)

 2

 

ISN 50561-3

ISN for PLC
150 Ω ± 20 Ω

This ISN is built according to the standard EN 50561-3, Annex B, Figure B.1.

ISN S1

T-ISN

150 Ω ±20 Ω
150 Ω + 60 Ω /-45 Ω

1 A (DC)

single

 

ISN S8

T-ISN

150 Ω ±20 Ω
150 Ω + 60 Ω /-45 Ω

1 A (DC)

 8

 

Mag Base 8158

 

 

 

 

 

NTFM 8131

T-ISN

150 Ω ± 10%

3 A (AC)

 2

 

NTFM 8158

T-ISN

150 Ω ± 20 Ω

600 mA DC (pair)

 2

 

Special – LISN

Type

Topology

Impedance

Current

max.

Paths

Options

ECSS LISN 1

 

(1.5 µH) || 50 Ω

10 A

2

 

ECSS LISN 2

 

(2 µH) || 50 Ω

10 A

2

 

ECSS LISN 2 – 75A

 

(0.7 µH) || 50 Ω

10 A

2

 

ECSS LISN 3

 

(0.7 µH) || 50 Ω

10 A

2

 

NPLC 8500

V-LISN

1 Ω

16 A

single

 

Pilot ISN

 

150 Ω ±20 Ω

1.4 A DC

2

 

PVDC 8300

PV-LISN
Universal

150 Ω common 
100 Ω differental

50 A (100 A with opt. fans)

 2

Fans

PVDC 8301

PV-LISN
Universal

150 Ω common 
100 Ω differental

200 A

 2

 

TEMP 8400

Tempest-

V-LISN

1.4 kΩ

16 A

 2

TEMP 8401

TEMP 8401

Tempest-

V-LISN

1.4 kΩ

16 A

 2

Wing Terminals installed on the front of a LISN

 

LISN OVERVIEW

Features of LISN (Line Impedance Stabilization Networks) and AMN (Artificial Mains Network):
• Supplies the neccessary mains voltage (AC or DC) and current for the Equipment under Test (EUT).
• Couples interference voltage generated by the EUT and supplies it to the receiver.
• Provides well defined RF-impedance to the Equipment under Test (EUT)
• Keeps away unwanted disturbance coming from mains (filter)
• Protects the mains from unwanted disturbance voltage generated by the EUT

 Schwarzbeck LISN Figure 1: Measurement setup conducted disturbances

Figure 1: Measurement setup conducted disturbances

 

We can distinguish three types of LISN:

 V-LISN

 T-LISN

 Delta-LISN

 

Figure 2 shows the voltage relationship of a two-line-system with separate ground.

 

The V-LISN measures the unsymmetric disturbance voltage between the two lines L1 and ground or L2 and ground respectively. V-LISN are also called V-ANM (Artificial Mains Network). The V-LISN is by far the most commonly used LISN.

 

There are two types of V-LISN with different impedances.

The V-LISN with a 5μH inductance (CISPR 16-1-2, CISPR 25, ISO 7637, DO160) are normally used to measure equipment for vehicles, boats and aircrafts connected to onboards mains with DC or 400 Hz.
The other Type of V-LISN with 50 µH according to CISPR 16-1-2, MIL STD 461 and ANSI C63.4 is intended to operate at mains frequencies of 50 Hz or 60 Hz.

 

The T-ISN (Figure 2 right) measures the asymmetric disturbance voltage (common mode voltage) and provides it to an EMI Receiver.
T-ISN is normally used for measuring telecommunication and data transmission equipment connected to symmetrical lines as e.g. twisted pairs.

 

 Schwarzbeck LISN-Topology Figure 2: LISN / AN Topology