programmable attenuator assembly specification sheet jfw model 50PA-179 jfw industries, inc. phone: 317-887-1340 sales@jfwindustries.com www.jfwindustries.com frequency range dc-3000 mhz configuration single relay programmable attenuator impedance 50 ohms nominal attenuation range 0-85 db in 1 db steps attenuation steps 1, 2, 4, 8, 10, 20, and 40 db vswr 1.6:1 maximum attenuation accuracy 0.3 db or 0.5% dc-500 mhz 0.4 db or 1.0% 500-1000 mhz 0.5 db or 1.0% 1000-2000 mhz 0.6 db or 1.5% 2000-3000 mhz insertion loss 2.75 db nominal dc-1000 mhz 3.75 db nominal 1000-2000 mhz 4.75 db nominal 2000-3000 mhz rf input power 1 watt average switching speed 6 milliseconds (after command is received and processed) (5 milliseconds typical processing time) ac supply 85-264 vac @ 47-63 hz remote control gpib manual control toggle switches rf connector bnc, n, or sma female operating temperature range 0oc to +50oc physical size see outline drawing 092-2441 01/16/2004 trs 01/16/2004 ecr/ecn # date rev appr / date ecr/ecn # dat e rev appr / date 4472 02/13/2004 a clv 02/16/2004 15743 04/23/2008 b trs 04/23/2008 15916 05/28/2008 c trs 05/28/2008 jfw form e-7-f rev f page 1 of 1
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