RF Attenuator reduce RF power.
One purpose is to protect both the DUT and Measuring Device from exceeding input power max.
Exceeding input power can damage expensive DUT and Measuring Device (ex Spectrum Analyzer).
RF Attenuator come as Fixed,Manual (steps), Programmable,Variable.
Selection of RF attenuator
- Frequency Range
- Low VSWR
- Correct Power Rating
- Low Insertion loss
RF Attenuator Vendor /Manufacturers.
JWF Industries
Fixed Attenuator http://www.jfwindustries.com/fixed.html
Programmable Attenuator http://www.jfwindustries.com/programmable.html
MECA Electronics
Attenuators http://www.e-meca.com/rf-attenuator.php
Pasternack Enterprises
Test Engineers Resource 