programmable attenuator assembly specification sheet jfw model 50PA-557 jfw industries, inc. phone: 317-887-1340 sales@jfwindustries.com www.jfwindustries.com frequency range 700-3000 mhz configuration eight individually controlled solid-state programmable attenuators impedance 50 ohms nominal attenuation range 0-127 db in 1 db steps vswr 1.6:1 maximum attenuation accuracy (guaranteed monotonic) 0.5 db or 2% (whichever is greater) insertion loss 6.0 db maximum rf input power +20 dbm average switching speed 5 microseconds typical (after command is received and processed) (3 milliseconds typical processing time) ac supply 100-240 vac @ 47-63 hz manual control 20-button keypad and lcd display remote control rs-232 (9600, 19200, or 38400 baud) ethernet (tcp, 10/100, up to 4 users) remote commands attenuator control commands: set attenuator, set attenuator with response, read attenuator, set all attenuators, read all attenuators, set multiple attenuator, fade attenuator, variable handover, store, recall system commands: identification, pause -rs-232 only: change baud -ethernet only: disconnect, close, message, clear rf connector sma or n female operating temperature range 0oc to +50oc jfw form e-7-f rev f page 1 of 2 --continued--
programmable attenuator assembly specification sheet jfw model 50PA-557 jfw industries, inc. phone: 317-887-1340 sales@jfwindustries.com www.jfwindustries.com physical size see outline drawing 092-6250 (sma) 092-6294 (n) 12/09/2009 clk 12/09/2009 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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