55 5305 spectrum drive, frederick, md 21703-7362 tel: 301-846-9222, 800-638-2048 fax: 301-846-9116 web: www.aeroflex.com/weinschel email: weinschel-sales@aeroflex.com revision date: 1/28/09 fixed coaxial attenuators note: 1. all dimensions are given in mm (inches) and are maximum, unless otherwise specified. 2. unit available with rohs compliant materials, specify when ordering. model number description: example: 49 - xx -xx - lim basic model number attenuation value (db) connector options 1st digit is input side 2nd digit is output side im option* test data: insertion loss test data supplied at 0.05, 4.0, and 8.5 ghz. other test data can be provided at additional cost. connectors: type n connectors per mil-std-348 interface dimensions - mate nondestructively with mil-c- 39012 connectors. connector options type/description 3 type n, female 4 type n, male construction: aluminum alloy body, stainless steel connectors; gold plated beryllium copper female contacts or stainless steel male contacts. (-lim option uses different connector and contact materials) weight: 1,450 g (3 lbs, 3 oz.) maximum physical dimensions: features o quality connectors with special high temperature support beads. o designed to meet environmental requirements of mil-dtl-3933. o flexible mounting position - the units may be mounted in horizontal (fins up) or vertical position. specifications nominal impedance: 50 frequency range: dc to 8.5 ghz model 49 dc to 8.5 ghz high power fixed coaxial attenuator 150 watts conduction/convection cooled frequency (ghz) swr dc - 4 1.25 4 - 8.5 1.35 maximum swr: connector dim a n male 22.9 (0.90) n female 15.0 (0.59) *add -lim for low intermodulation option. option only available in 10, 20, 30, and 40 db and is not available through express. 3rd order intermodulation (49-xx-xx-lim only): reflected levels (im3), -95 & through levels (im3), -110 dbc with two input signals @ 869 mhz and 891 mhz with average carrier power levels of +43 dbm each. power rating (mounted horizontally or vertically): 150 watts average (unidirectional) to 35c ambient temperature, derated linearly to 15 watts @ 125c. 5 kilowatt peak (5 sec pulse width; 1.5% duty cycle). maximum power rating into output port is 25 watts average. power coefficient: <0.0001 db/db/watt temperature coefficient: <0.0004 db/db/c temperature range: -55c to 125c nominal dc-4 ghz 4 - 8.5 ghz attn (db) 49 49-lim 49 49-lim 3, 6 + 0.40 - - - + 0.75 - - - 10, 20 + 0.40 + 0.70 + 0.75 + 1.25 30 + 0.40 + 0.70 + 0.75 + 1.75 40 + 0.50 + 0.70 + 1.00 + 1.75 maximum deviation over frequency (db): rohs www.argosysales.com 800-542-4457 express
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