AR RF/Microwave Instrumentation has unveiled a new magnetic immunity amplifier for susceptibility testing. Model 350AH1 (350 watts, 10 Hz – 1 MHz) is powered by a high efficiency switching supply with auto-ranging AC input circuitry that automatically accepts voltages from 90 to 260 VAC in the 47 – 63 Hz frequency range.

The new amplifier, which has a very low output impedance, will be used primarily for susceptibility testing for magnetic and audio frequency tests in MIL-STD-461D/E, D0160D/E, and a variety of automotive test standards. It can also be used as an AC voltage source, for watt-meter calibration, and as a driver for higher-power amplifiers.

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