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CISPR 25/ISO 7637 Automotive LISNs

CISPR 25 covers a frequency range of 150 kHz to 2.5 GHz and determines the necessary space needed for testing. This standard was developed in response to the variety of radio receivers that can be installed or used in motor vehicles and deals with "radio disturbance characteristics for the protection of receivers used on-board vehicles, boats, and on devices". CISPR 25 is mostly used by vehicle manufacturers to ensure top performance of receivers mounted on-board the vehicle. There are two parts to CISPR 25, one deals with the full vehicle or system test where the mounted antennas are used to sense noise generated by different electronic systems on the same vehicle, and the other deals with the conducted and radiated measurements of the vehicle's components and modules.

LISN (line impedance stabilization network) is used to provide an impedance to the power input of the EUT(equipment under test).

Avalon carries a variety of LISNs from Com-Power to Teseq to meet CISPR 25/ISO 7637 Automotive testing requirements. Rent or purchase from Avalon Test Equipment and Test With Confidence®.

CISPR

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Com-Power LI-550A LISN

100 kHz–108 MHz, 5 microhenry / 50 Amps

Com-Power LI-125A LISN

150 kHz to 30 MHz, 50 microhenry / 25 Amps

Com-Power LI-550C LISN

100 kHz–08 MHz

Teseq HV-AN 150 Artificial Network

Teseq’s artificial network HV-AN 150 is the first universal solution which covers several applications and standards in the Automotive, Airborne and MIL range.

EM Test AN 200N100 Single Line Artificial Network

Artificial Network as per ISO 7637-2, CISPR25, ISO 11452 and CISPR16, switchable, 100A