JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 75P-135 RELAY PROGRAMMABLE ATTENUATOR Frequency Range DC-1000 MHz Impedance 75 Ohms nominal Attenuation Range 0-25.5 dB in 0.1 dB steps Attenuation Steps 0.1, 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, and 12.8 dB VSWR 1.4:1 maximum Attenuation Accuracy 0.1, 0.2, 0.4 dB ± 0.05 dB 0.8, 1.6, 3.2 dB ± 0.1 dB 6.4, 12.8 dB ± 0.15 dB Accumulated error ± 0.3 dB Insertion Loss 3.0 dB maximum RF Input Power 0.5 Watts average Switching Speed 10 milliseconds DC Supply +12 Vdc @ 30 mA per relay (8 relays total) Control (8 lines) TTL Low for Thru Path TTL High for Attenuation DC Connector 3M #3793-5303 RF Connector BNC, F, N, or TNC female Operating Temperature Range 0ºC to +70ºC Physical Size See outline drawing 092-2213 ECR/ECN # Page 1 of 1 DATE REV APPR / DATE 9999 12/08/1998 12/05/2002 A TRS 12/05/2002 4505 03/04/2004 B CLV 03/05/2004 ECR/ECN # JFW FORM E-7-F REV F DATE REV APPR / DATE