JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 75P-179 SOLID STATE PROGRAMMABLE ATTENUATOR Frequency Range 450-2150 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 1.5:1 maximum Attenuation Accuracy 0.5, 1, 2, 4, 8 dB 16, 32 dB ± 3% Insertion Loss 2.5 dB maximum to 450 MHz 4.0 dB maximum to 2150 MHz RF Input Power +20 dBm operating +30 dBm (no damage) Switching Speed 2 microseconds DC Supply +5 Vdc @ 300 mA nominal Control Logic (7 Lines) TTL Low for Thru Path TTL High for Attenuation DC Connector 3M #3793-5303 RF Connector F female Operating Temperature Range 0ºC to +70ºC Physical Size See outline drawing 092-6957 ECR/ECN # DATE 05/02/2011 Page 1 of 1 REV APPR / DATE ECR/ECN # CLK 05/02/2011 JFW FORM E-7-F REV F DATE REV ± .3 dB APPR / DATE