programmable attenuator assembly specification sheet jfw model 75PA-050 jfw industries, inc. phone: 317-887-1340 sales@jfwindustries.com www.jfwindustries.com frequency range 600-2000 mhz configuration five solid-state programmable attenuat ors and six electromechanical 1p2t failsafe self terminating switches impedance 75 ohms nominal attenuation range 0-127 db in 1 db steps attenuation steps 1, 2, 4, 8, 16, 32, and 64 db vswr attenuators and switches: 1.8:1 maximum attenuation accuracy (guaranteed monotonic) 0.5 db or 3% of programmed (whichever is greater) insertion loss attenuators (1-6): 5 db maximum 4 db typical switches (1-4): 1.25 db maximum 1 db typical switch isolation 50 db minimum 60 db typical to 2000 mhz 70 db typical to 1500 mhz rf input power +20 dbm average +30 dbm (no damage) switching speed (attenuators) 5 microseconds typical (after command is received and processed) (3 milliseconds typical processing time) switching speed (switches) 10 milliseconds typical (after command is received and processed) (3 milliseconds typical processing time) baud rates (rs-232 mode) 9600, 19200, 38400 baud ac supply 100-240 vac @ 47-63 hz jfw form e-7-f rev f page 1 of 2 --continued--
programmable attenuator assembly specification sheet jfw model 75PA-050 jfw industries, inc. phone: 317-887-1340 sales@jfwindustries.com www.jfwindustries.com manual control keypad and lcd display control ethernet (10/100) and rs-232 remote commands variable handover(vhnd av aw vx vy t z) fade attenuator (fax y z t) set attenuator (sax y) read attenuator (rax) set switch (ssx y) read switch (rsx) change baud rate (cbx) identification (idn) disconnect (dis) - ethernet only pause (pausex) rf connector f female operating temperature range 0oc to +50oc physical size see outline drawing 092-6050 01/16/2009 clk 01/16/2009 ecr/ecn # date rev appr / date ecr/ecn # dat e rev appr / date jfw form e-7-f rev f page 2 of 2
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