JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 50DR-121 DUAL ROTARY ATTENUATOR Frequency Range DC-15 MHz Impedance 50 Ohms nominal Attenuation Range 0-110 dB in 1 dB steps VSWR 1.10:1 maximum 1.03:1 typical @ 15 MHz Insertion Loss 0.20 dB maximum 0.02 dB typical @ 15 MHz Attenuation Accuracy ± 0.3 dB RF Input Power 2 Watts average 1000 Watts peak Direction of Rotation Attenuation increases in a Clockwise direction Indexing 30 degrees with stops at Minimum and maximum RF Connector BNC, SMA, or N female Operating Temperature Range -20ºC to +85ºC Knob/Panel Mounting Drawing 092-8435-02 Outline Drawings 092-1513-01 (50DR-121 BNC) 092-327-01 (50DR-121 N) 092-440-01 (50DR-121 SMA) ECR/ECN # DATE REV 10/05/2009 25776 Page 1 of 1 09/28/2015 APPR / DATE ECR/ECN # TRS 10/05/2009 A TRS 09/29/2015 JFW FORM E-7-F REV F DATE REV APPR / DATE