thick film attenuators, digital dadseries drop-in ?removable sma 0.8? ghz general information the dad ser ies of precision digital attenuators utilize thick film technology for all microwave and logic functions.all conductors, atten uator elements and bias resistors are screened on a single alumina substr ate to achieve increased reliability and enhanced performance.all additional circuit elements including pin diodes , integr ated circuits, capacitors, and coils are bonded directly to the thick film.customized driv er circuits are integrated on the rf substrate. features removable sma connectors ?internal t 2 l drivers ? thick film ?accur acy ?/2 lsb general specifications frequency range: 0.8-2 ghz rf impedance: 50 ohms dc power: 5v ?.5 at 40ma/bit logic: t 2 l driver: integ rated on rf substrate atten uation range: 0 to 63 db accuracy: ?.5 lsb rf power: +10 dbm operating +20 dbm survivability operating temperature: ?0? to +70? storage temperature: ?5? to +85? switching speed: 100 nsec typ;125 nsec maximum package: aluminum, silver plated part no. 1, 10 2 3 4 5 6 7 8 9 dad-125 -05 rf gnd 8 db 4 db2 db1 db .5 db n/c +5v - 1 rf gnd 16 db 8 db4 db2 db 1 db n/c +5v - 2 rf gnd 16 db 8 db4 db2 db n/c 32 db +5v logic & rf connections typical model no. dad - 125 - 05** basic freq. lsb series # bits removable sma connectors electrical performance msb ins power phase frequency lsb maximumloss db vswr supply ma degrees par t no. ghz # of bitsdb db maximummaximummaximum typical dad-125-** 0.8-2 5 0.5 32 4.0 1.5 200 15 atten. driver logic +5v typical attenuator cell 0.073[1,85] dia. thru (4pls) 0.10[2,5] min. .15 [3,8] 1.95[49,5] 2.09[53,09] .100[2,5] typ. (7) pl. 2.25[57,15] 1 10 0.59 [14,99] 0.75 [19,1] .38 [9,65] kdi dad-125-1 (pins ref. only) .25[6,4] .19[4,83] .38[9,65] max (2) pl mtg. surface 0.77 [19,56] mates with "sma" male conn. per mil-c-39012.2 pl field replaceable conn. shell internally mates with .017[0,43] .019[0,48] dia. x .100[2,5] max. lg. pin (2 pl) .095[2,41] 8-10-07 key: inches[millimeters] .xx ?03 .xxx ?010 [.x ?.8 .xx ?.25] 60 south jefferson road, whippany, nj 07981 tel: 973-887-8100 ?fax: 973-884-0445 email: sales@aeroflex-kdi.com see us on the web @ www.aeroflex-kdi.com
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