JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 75P-163 RELAY PROGRAMMABLE ATTENUATOR Frequency Range DC-1000 MHz Impedance 75 Ohms nominal Attenuation Range 0-63.75 dB in 0.25 dB steps Attenuation Steps 0.25, 0.5, 1, 2, 4, 8, 16, and 32 dB VSWR 1.4:1 maximum Attenuation Accuracy 0.25 dB ± 0.05 dB 0.5, 1, and 2 dB ± 0.1 dB 4 and 8 dB ± 0.2 dB 16 dB ± 0.3 dB 32 dB ± 0.4 dB Accumulated Error ± 0.5 dB or 1.5% (whichever is greater) Insertion Loss 2.2 dB maximum 0.75 dB typical at 500 MHz 1.50 dB typical at 1000 MHz RF Input Power 0.5 Watts average Switching Speed 6 milliseconds Control (8 lines) +12 Vdc @ 15 mA per relay (8 relays total) DC Connector Solder Terminals RF Connector BNC, F, N, or TNC female Operating Temperature Range -20ºC to +85ºC Physical Size See outline drawing 092-5413 ECR/ECN # 14398 Page 1 of 1 DATE 05/08/2007 06/11/2007 REV A APPR / DATE ECR/ECN # TRS 05/08/2007 TRS 07/12/2007 JFW FORM E-7-F REV F DATE REV APPR / DATE