JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 75P-153 SOLID STATE PROGRAMMABLE ATTENUATOR Frequency Range 20-1000 MHz Impedance 75 Ohms nominal Attenuation Range 0-63.5 dB in 0.5 dB steps Attenuation Steps 0.5, 1, 2, 4, 8, 16 and 32 dB VSWR 1.35:1 maximum 1.5:1 maximum 20-250 MHz 250-1000 MHz Attenuation Accuracy ± 0.3 dB or 1% ± 0.3 dB or 2% 20-250 MHz 250-1000 MHz Insertion Loss 4.0 dB maximum 2.5 dB typical @ 20 MHz 3.6 dB typical @ 1000 MHz RF Input Power +15 dBm Switching Speed 10 microseconds DC Supply +5 Vdc @ 250 mA Control Logic (7 Lines) TTL Low for Thru Path TTL High for Attenuation DC Connector D Subminiature DE-9P RF Connector BNC or F female Operating Temperature Range 0ºC to +70ºC Physical Size See outline drawing 092-5638-04 ECR/ECN # Page 1 of 1 DATE 01/13/2004 REV APPR / DATE TRS 01/13/2004 10382 01/03/2005 A TRS 01/03/2005 14981 11/30/2007 B CLK 11/30/2007 ECR/ECN # DATE 20455 08/15/2011 JFW FORM E-7-F REV F REV C APPR / DATE TRS 08/15/2011