v 4 .00 v o l t a ge v a r i a b le absorptive atten u a t o r dc - 3 ghz AT-252 cr-3 functional schematic (top view) guaranteed specifications 1 (from -55? to +85?) frequency range dc ?3.0 ghz insertion loss dc ?3.0 ghz 3.8 db max dc ?2.0 ghz 3.5 db max vswr dc ?3.0 ghz 2.1:1 max attenuatio n 2 dc ?3.0 ghz 8 . 5 db min dc ?2.0 ghz 1 0 . 5 db min f l a t n e s s ( t o 1 2 d b a t t e n u a t i o n ) dc ?3.0 ghz ?. 7 db max (peak to peak) dc ?2.0 ghz ?.8 db max dc ?1.0 ghz ?.3 db max attenuation vs temperature 0 to 10 db att. ?.8 db max operating characteristics impedance 50 ohms nominal switching characteristics trise, tfall (10% to 90%) 3 ns typ ton, t off (50% ctl to 90%/10% rf) 5 ns typ transients (in-band) 10 mv typ power handling linear operation +13 dbm max absolute max input power +21 dbm max intermodulation intercept point (for two-tone input power up to +5 dbm) intercept points ip2 ip3 3 0.05 ghz 34 +31 dbm typ 0.5 ghz to 2.0 ghz 47 +36 dbm typ control voltages (a input) -4v to 0v @ 100 ? max 1. all specifications apply with 50 ohm connected to all rf ports . 2. above reference insertion loss. 3. for levels above 6 db attenuation. for levels below 6 db, ip 3 = 18 dbm mini- mum. 4. contact the factory for standard or custom screening requirements . features l low intermodulation products l ultra low dc power consumption l single voltage control 0 to -4 volts l small package size, 0.180" (4.6 mm) sq. ordering information part number package AT-252 pin ceramic
v 2.00 v olta ge v ariable absorptive attenuator at -252 typical p e r fo r m a n c e 1.operation of this device abo v e any one of these parameters ma y cause permanent damage . p arameter absolute maximum max. input p ow er +21 dbm control v oltage +5 v , ?.5 v operating t emperature ?5?c to +25?c storage t emperature ?5?c to +150?c absolute maximum ratings 1
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