JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 50R-397 ROTARY ATTENUATOR Frequency Range DC-3000 MHz Impedance 50 Ohms nominal Attenuation Range 0-70 dB in 10 dB steps VSWR 1.5:1 maximum Insertion Loss 0.80 dB maximum 0.44 dB typical @ 3000 MHz Attenuation Accuracy ± 0.5 dB or 4% of setting (whichever is greater) RF Input Power 2 Watts average Direction of Rotation Attenuation increases in a Clockwise direction Indexing 30 degrees with stops at minimum and maximum RF Connector N or SMA female Knob/Panel Mounting Drawing 092-8435-01 Outline Drawing Numbers 092-428-03 (50R-397 N) 092-428-07 (50R-397 SMA) ECR/ECN # DATE 03/25/2016 Page 1 of 1 REV APPR / DATE ECR/ECN # TRS 03/25/2016 JFW FORM E-7-F REV F DATE REV APPR / DATE