Isolate the power and data lines to your DUT (device under test) to eliminate outside and unknown electrical noises, providing a stable impedance during your testing. Line impedance stabilization networks (LISN's) are used for electromagnetic compliance testing as well as engineering labs for better performance and more accurate measurements.
3c-test 7637-4R500/120 Load Resistor Isolation Capacitor Shielded Enclosure
SKU: 21971
FCC-LISN-50-50-4-02 Line Impedance Stabilization Network
SKU: LISN-FCC-FCCLISN505-001
LISN-CISPR16-100A 3-Phase, 100 Amp Line Impedance Stabilization Network
SKU: 12114
EM Test AIF 503N32.1 3-Phase Flicker Impedance Network
SKU: HFPQ-EMT-AIF503N321-001
Teseq NNB 52 Line Impedance Stabilization Network Four-Line-V-LISN
SKU: 11155
Com-Power LI-550C 100 kHz to 108 MHz LISN
SKU: LISN-COMP-LI550C-002
Teseq ISN T800S Impedance Stabilization Network per CISPR 22/32 Figure D.3/G.3
SKU: 12861
Com-Power ISN-T8 Impedance Stabilization Network 150 kHz to 30 MHz
SKU: LISN-COMP-ISNT8-001
Fischer FCC-TLISN-T4-02 CISPR 22 Impedance Stabilization Network
SKU: LISN-FCC-FCCTLISNT4-001