Power AIM 120

[g4zow]

I cannot find a comparison table for this commercial / broadcast analyzer with the 4170.

Does anyone know if the output level and been increased at all (to overcome nearby broadcast signals) and/or if the out of band rejection figures have been improved?

At 5X the cost of the 4170 I'd imagine a higher spec on one or more areas.

Thanks.

Phil G4ZOW

[Bob]

Hi Phil,

The PowerAIM is able to make antenna measurements in the presence of strong external signals such as found on a commercial broadcast antenna.
Stray signals up to 25Volts peak at the input can be tolerated while measurements are in progress. More information and the specs can be found here:
arraysolutions.com/Products/poweraim_120.htm#top%20of%20page

By comparison, the AIM4170 can make accurate measurements with up to 100mv of stray signal on the input. When a broadcast station is operating nearby, the 4170 may not be able to measure a 160 meter antenna without using a high pass filter. The PowerAIM can make measurements within 50 KHz of strong interference without a filter.

73/Bob