JFW Industries, Inc. Phone: 317-887-1340 [email protected] www.jfwindustries.com SPECIFICATION SHEET JFW MODEL 75PA-080 PROGRAMMABLE ATTENUATOR ASSEMBLY Frequency Range 5-1000 MHz Configuration Two individually controlled solid-state programmable attenuators Enclosure Type 19 inch rack mount @ 1RU high Impedance 75 Ohms nominal Attenuation Range 0-63 dB in 1 dB steps Startup/Default States (configurable) Maximum attenuation (see ATTEN STARTUP command) DHCP enabled (see NET command) 4 Ethernet users (see NET USERS command Prompts off (see PROMPT command) VSWR 1.7:1 maximum Attenuation Accuracy (guaranteed monotonic) ± 0.5 dB or 2% of programmed (whichever is greater) Insertion Loss 4.5 dB maximum RF Input Power +10 dBm average Switching Speed 20 microseconds typical (after command is received and processed) (3 milliseconds typical processing time) AC Supply 100-240 VAC @ 47-63 Hz 2 Amp 5x20mm "Slo-Blo" AC fuse Littelfuse#215-002, JFW#025-021 Remote Control Ethernet (DHCP, TCP/IP, 10/100, up to 12 users) RS-232 (up to 115200 Baud) Remote Commands Attenuator Control Commands: Atten, Set Attenuator, Read Attenuator, Set All Attenuators, Read All Attenuators, Read All Extended, Fade Attenuator, Variable Attenuator Handover, Block, Set Block, Read Block, Read All Blocks, Fade Block, Variable Block Handover System Commands: Help, Identification, Store, Recall, Pause, Net, Serial, Close, Disconnect, MOTD, Date, Message, Restrict, IDENT, Name, Show Users, Reboot, Uptime, Prompt RF Connector F female Operating Temperature Range 0ºC to +50ºC Physical Size See outline drawing 092-8003 ECR/ECN # DATE REV 03/06/2014 Page 1 of 1 APPR / DATE ECR/ECN # TRS 03/06/2014 24174 05/29/2014 A TRS 05/29/2014 24239 07/03/2014 B TRS 07/03/2014 JFW FORM E-7-F REV F DATE REV APPR / DATE