JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 75R-055 ROTARY ATTENUATOR Frequency Range DC-1000 MHz Impedance 75 Ohms nominal Attenuation Range 0-70 dB in 10 dB steps VSWR 1.3:1 maximum 1.5:1 maximum Insertion Loss 0.4 dB maximum Attenuation Accuracy ± 0.75 dB ± 1.00 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, N or F female Operating Temperature Range -20ºC to +85ºC Knob/Panel Mounting Drawing 092-8435-03 Outline Drawings 092-003-01 092-003-02 092-003-03 092-003-04 ECR/ECN # DATE REV APPR / DATE 02/01/1995 Page 1 of 1 ECR/ECN # DC-500 MHz 500-1000 MHz DC-500 MHz 500-1000 MHz (75R-055 (75R-055 (75R-055 (75R-055 DATE REV BNC) F) BNC/F) N) APPR / DATE 18656 05/14/2010 C TRS 05/14/2010 9999 05/19/2003 A BAC 02/05/2004 19437 12/01/2010 D TRS 12/01/2010 17378 07/02/2009 B TRS 07/02/2009 25779 09/29/2015 E TRS 09/29/2015 JFW FORM E-7-F REV F