JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 75P-119 RELAY PROGRAMMABLE ATTENUATOR Frequency Range DC-1000 MHz Impedance 75 Ohms nominal Attenuation Range 0-63 dB in 1 dB steps Attenuation Steps 1, 2, 4, 8, 16 and 32 dB VSWR 1.4:1 maximum Attenuation Accuracy ± 0.3 dB ± 0.3 dB or 1.0% ± 0.5 dB or 1.5% Insertion Loss 2.5 dB maximum 0.8 dB typical @ 500 MHz 2.1 dB typical @ 1000 MHz RF Input Power 1 Watt average Switching Speed 10 milliseconds maximum DC Supply +12 Vdc @ 200 mA maximum Control Logic (6 Lines) TTL Low for Thru Path TTL High for Attenuation DC Connector 3M #3793-5303 RF Connector BNC or F female Operating Temperature Range -40ºC to +85ºC Storage Temperature Range -55ºC to +95ºC Physical Size See outline drawing 092-2050 ECR/ECN # DATE REV APPR / DATE 05/12/1995 Page 1 of 1 502 02/27/1996 A 9999 03/10/2003 B ECR/ECN # DATE DC-100 MHz 100-500 MHz 500-1000 MHz REV APPR / DATE 13765 01/15/2007 C TRS 01/15/2007 24118 05/13/2014 D TRS 05/13/2014 TRS 05/07/2003 JFW FORM E-7-F REV F