JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 50R-137 ROTARY ATTENUATOR Frequency Range DC-2550 MHz Impedance 50 Ohms nominal Attenuation Range 0-80 dB in 10 dB steps VSWR 1.3:1 maximum 1.5:1 maximum Insertion Loss 1 dB maximum Attenuation Accuracy ± 0.3 dB or 1% DC-500 MHz ± 0.5 dB or 2% 500-1000 MHz ± 0.5 dB or 3% 1000-2550 MHz (whichever is greater) 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 N, SMA or TNC female Knob/Panel Mounting Drawing 092-8435-01 Outline Drawings 092-2674 092-6200-03 092-6200-05 092-6200-06 ECR/ECN # Page 1 of 1 DATE REV APPR / DATE ECR/ECN # DC-1000 MHz 1000-2550 MHz (50R-137 (50R-137 (50R-137 (50R-137 DATE REV SMA) N) TNC) TNC/SMA) APPR / DATE 947 01/16/1998 B 17378 07/02/2009 E TRS 07/02/2009 9999 04/28/2003 C 18362 03/05/2010 F TRS 03/05/2010 14032 04/06/2007 D 25776 09/28/2015 G TRS 09/29/2015 CLK 04/06/2007 JFW FORM E-7-F REV F