JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 75R-056 ROTARY ATTENUATOR Frequency Range DC-1000 MHz Impedance 75 Ohms nominal Attenuation Range 0-10 dB in 1 dB steps VSWR 1.3:1 maximum 1.5:1 maximum Insertion Loss 0.4 dB maximum Attenuation Accuracy ± 0.2 dB ± 0.3 dB RF Input Power 1 Watt average 1000 Watts peak Direction of Rotation Attenuation increases in a CounterClockwise direction Indexing 30 degrees with stops at minimum and maximum RF Connector BNC or F female Operating Temperature Range -20ºC to +85ºC Knob/Panel Mounting Drawing 092-8435-03 Outline Drawings 092-002-01 (75R-056 BNC) 092-002-02 (75R-056 F) 092-002-03 (75R-056 BNC/F) ECR/ECN # DATE REV APPR / DATE 02/01/1995 Page 1 of 1 9999 05/19/2003 A BAC 02/05/2004 17378 07/02/2009 B TRS 07/02/2009 DC-500 MHz 500-1000 MHZ DC-500 MHz 500-1000 MHz ECR/ECN # DATE REV APPR / DATE 23479 11/26/2013 C TRS 11/27/2013 25779 09/29/2015 D TRS 09/29/2015 JFW FORM E-7-F REV F