JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 75R-057 ROTARY ATTENUATOR Frequency Range DC-1000 MHz Impedance 75 Ohms nominal Attenuation Range 0-1 dB in 0.1 dB steps VSWR 1.3:1 maximum 1.4:1 maximum Insertion Loss 0.8 dB maximum Attenuation Accuracy ± 0.04 dB ± 0.08 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-057 BNC) 092-002-02 (75R-057 F) ECR/ECN # DATE REV APPR / DATE 05/22/1995 Page 1 of 1 610 10/03/1996 A 9999 05/19/2003 B BAC 02/05/2004 ECR/ECN # DC-500 MHz 500-1000 MHZ DC-500 MHz 500-1000 MHz DATE REV APPR / DATE 17378 07/02/2009 C TRS 07/02/2009 22212 12/04/2012 D TRS 12/04/2012 25779 09/29/2015 E TRS 09/29/2015 JFW FORM E-7-F REV F