JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 75DR-021 DUAL ROTARY ATTENUATOR Frequency Range DC-2100 MHz Impedance 75 Ohms nominal Attenuation Range 0-30 dB in 1 dB steps VSWR 1.6:1 maximum Insertion Loss 1.00 dB maximum 0.55 dB typical @ 1000 MHz 0.75 dB typical @ 2100 MHz Attenuation Accuracy ± 0.5 dB ± 1.0 dB RF Input Power 1 Watt average Direction of Rotation Attenuation increases in a Clockwise direction Indexing 30 degrees with stops at minimum and maximum RF Connector F, BNC, or N female Operating Temperature Range -20º to +85º C Knob/Panel Mounting Drawing 092-8435-02 Outline Drawing 092-2135 (75DR-021 BNC) 092-3579 (75DR-021 N) ECR/ECN # Page 1 of 1 DATE REV APPR / DATE (1 dB steps) (10 dB steps) ECR/ECN # DATE REV APPR / DATE 17118 04/22/2009 E TRS 04/22/2009 20534 09/06/2011 H TRS 09/06/2011 18128 01/18/2010 F TRS 01/18/2010 23479 11/26/2013 I TRS 11/27/2013 20324 07/13/2011 G TRS 07/13/2011 25776 09/28/2015 J TRS 09/29/2015 JFW FORM E-7-F REV F