JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 50DR-077 DUAL ROTARY ATTENUATOR Frequency Range DC-2000 MHz Impedance 50 Ohms nominal Attenuation Range 0-90 dB in 1 dB steps VSWR 1.2:1 maximum 1.4:1 maximum 1.5:1 maximum Insertion Loss 0.5 dB maximum DC-1000 MHz 1.0 dB maximum 1000-2000 MHz Attenuation Accuracy ± 0.5 dB or 1% DC-500 MHz ± 0.5 dB or 2% 500-2000 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 TNC, N, SMA or BNC Operating Temperature Range -20ºC to +85ºC Knob/Panel Mounting Drawing 092-8435-02 Outline Drawings 092-327-02 092-440-02 092-1513-02 092-327-07 ECR/ECN # DATE REV APPR / DATE 08/23/1996 Page 1 of 1 616 10/08/1996 A 9999 05/12/2003 B ECR/ECN # DC-500 MHz 500-1000 MHz 1000-2000 MHz (50DR-077 (50DR-077 (50DR-077 (50DR-077 DATE REV N) SMA) BNC) N M/F) APPR / DATE 17251 05/26/2009 C TRS 05/26/2009 25776 09/28/2015 D TRS 09/29/2015 BAC 11/11/2003 JFW FORM E-7-F REV F