A.H. Systems, Inc.

A.H. Systems has been established since 1974 and manufactures a complete line of affordable, reliable, EMI test equipment. Our individually calibrated EMI Test Antennas, Preamplifiers, Current Probes and Low-Loss Cables satisfy many test standards including CISPR, MIL-STD, FCC, EN, VDE, IEC and SAE.

https://www.ahsystems.com

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Calculators

Antenna Factor and Gain Calculations

Antenna Factor and Gain metrics provide crucial insights into antenna performance, allowing engineers to calculate signal strength relationships and directional effectiveness. These measurements help optimize RF systems by comparing actual antenna behavior to theoretical isotropic radiators using standardized 50-ohm configurations.

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What's New

Near and Far Field Measurements with a Vector Network Analyzer

Was it the Radar? Respectfully Revisiting the 1967 US Navy USS Forrestal Carrier Disaster: Part 1

Tailoring MIL-STD-461 RE102

A Circuit Model for the Charged Device Model Spark

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