sur f a ce mount?eramic a ttenu a tor, pin diod e series PI-800 0.8? ghz general inform a tion the PI-800 se r ies atte n uators are pa r t of the n e w surfpac product line f eatu r ing good inte r modulation per f o r mance compared to their gaas counte r pa r ts f or pcs/cellular base station use . in addition, the pin diodes of f er good p o w er-handling capabilities and are less sensitiv e to electrostatic discharge pro b lem s . these f eatures are impo r tant co n - side r ations in base station applications where the eff ects of antenna- related rf s witching and indirect lightning-induced v oltage spi k es are present. pin diode components h a v e inherent ad v antages o v er the gaas alte r - nati v es at pcs/cellular frequencie s . the PI-800 se r ies atte n uator ma k es use of these adv antages in a l o w cost sur f ace-mount pa c kage suita b le for pi c k-and-place application s . as a result, the attentuator satisfies both the technical specifications and the man u f actu r ing requirements of tod a y s demanding commercial ma r k etplac e . pin diodes are widely accepted as more rob ust alte r nati v es to gaas fets and of f er higher isolation with l o w er inse r tion loss than plastic pa c kaged gaas atte n uators at p ersonal com m unications se r vice (pcs) frequencie s . the PI-800 se r ies analog atte n uator inco r po r ates pi n diodes with highly relia b le thi c k-film technology and sur f ace mount components on a miniature l o w cost sealed sur f ace mount alumina heade r . this n e w atte n uator pr o vides a good match, flat atte n uation and o v e r all supe r ior perfo r mance o v er the 0.8? ghz frequency r ang e , and can be optimi z ed o v er l o w er frequency r ange s . general specific a tions frequency range: 10% b .w . t ypical, 0.8? ghz inse r tion loss: per cha r t atte n uation range: per cha r t cont r o l v oltage: 0- 5 vdc 1 db compression p oint: +27 dbm construction: thi c k film alumina with ep o xy sealed c o v er speed: 2 m sec t emperature: -10 to +80 c . see application note f or recommended maxi m um refl o w solde r ing tempe r ature s . .125 [3,18] .025 [6,4] .550 [13,97] .500 [12,7] f ar side g r ound plane sh o wn .750[19,1] .700[17,8] g n d g n d g n d gnd gnd .275 [6,99] .175 [44,4] .075 [19,1] rf in .275 [6,99] .375[9,53] .475[12,06] g n d b i a s g n d in out b i a s gnd gnd rf out insertion fr equency attenuation loss (db ) vswr t ypical model (ghz) range (db) maximum maximum current(ma) pi-820ns 1.84-1.94 0-6 0.7 1.50 30 pi-840 0.8-1.0 0-35 0.5 1.40 50 pi-850 0.8-1.0 0-30 1.0 1.50 50 pi-845 1.7-2.0 0-35 0.8 1.50 50 pi-855 1.7-2.0 0-25 1.0 1.50 50 pi-a05 2.4-2.46 0-20 1.3 1.50 50 pi-a04 3.55-3.65 0-25 1.5 1.50 50 pi-a06 3.5-4.0 0-20 1.5 1.50 50 fe a tures l o w loss l o w i.m . products pin diode per f o r mance l o w vswr 500 mw p o wer pi c k and place and refl o w ma n u f acture shunt diode design outline?i-800 series see application notes 11-5-02 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@mcekdi-integrated.com see us on the web @ www.mcekdi-integrated.com http://
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