The IZ311A LISN High-Pass Filter is designed for TEMPEST measurements of conducted emissions on power lines, providing effective suppression of low frequencies below 5 kHz when used with PLISNs. Featuring very low insertion loss, high suppression of fundamental power line frequencies, and reliable high-voltage operation, this filter is ideal for EMC, TEMPEST, and conducted emissions testing applications.

General Specifications:

Device Type: LISN High-Pass Filter
Model Number: IZ311A
Frequency Range: 5 kHz – 1 GHz
Insertion Loss: < 0.75 dB
Suppression of Fundamental Frequency: 85 dB (50–60 Hz)
Maximum Operating Voltage: 700 V rms
Impedance: 50 Ohms
Application Areas: TEMPEST measurements, EMC testing, conducted emissions measurements, power line filtering, RF measurement systems