umts digital gain control amplifier, 1.94 - 2.34 ghz am55 - 0027 4mm fqfp - n package style v 1e.00 advanced features n digitally controlled gain block n parallel control interface n 4mm fqfp - n package n single positive supply voltage n 0.25 db st eps of attenuation n 10 db atttenuation range description m/a - com?s am55 - 0027 is a digitally controlled variable gain amplifier. attenuation range is 10 db with attenuation steps of 0.25 db. attenuation is controlled digitally through a parallel interfac e. electrical specifications : t a = 25 c, z 0 = 50 w , v s = 5v parameter conditions frequency units min. typ. max. gain no attenuation 1.94 - 2.34 ghz db 24 26 ? attenuation range ? 1.94 - 2.34 ghz db 10 10 ? attenuation step size ? 1.94 - 2.34 ghz db 0.2 0.25 0.3 amplitude flatness ? all attenuation states 1.94 - 2.34 ghz 2.09 - 2.19 ghz db db ? ? ? ? 0.3 0.1 input return loss ? 1.94 - 2.34 ghz db 13 18 ? output return loss ? 1.94 - 2.34 ghz db 10 14 ? output p1 db 0 db attenuation 1.94 - 2.34 ghz dbm 15 19 ? output ip3 0 db attenuation 1.94 - 2.34 ghz dbm 30 31 ? noise figure 0 db attenuation 1.94 - 2.34 ghz db ? 4.7 ? noise figure 10 db attenuation 1.94 - 2.34 ghz db ? 9.0 ? supply current ? ? ma ? 110 120 block diagram 8 db gain in 10 db range in 0.25 db steps 8 db gain 9 db gain out parallel control interface
umts digital gain control amplifier, 1.94 - 2.34 g hz am55 - 0027 specifications subject to change without notice. n north america: tel. (800) 366 - 2266 n asia/pacific: tel.+ 81 - 44 - 844 - 8296 , fax + 81 - 44 - 844 - 8298 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 visit www.macom.com for additional data sheets and product information. v 1e.00 2 ordering information part number package a m55 - 0027 bulk packaging a m55 - 0027 tr tape and ree l (1k reel) a m55 - 0027 - tb units mounted on test board typical performance curves input return loss vs. frequency gain vs. frequency output return loss vs. frequency 15 17 19 21 23 25 27 1.94 2.04 2.14 2.24 2.34 frequency (ghz) s21 (db) -35 -30 -25 -20 -15 -10 1.94 2.04 2.14 2.24 2.34 frequency (ghz) s11 (db) -24 -22 -20 -18 -16 -14 -12 -10 1.94 2.04 2.14 2.24 2.34 frequency (ghz) s22 (db) pin out table control pin 5v 0v vcc6 0.25 db vcc1 0.5 db vcc2 1 db vcc3 vcc3n 2 db vcc4 vcc4n 4 db vcc5 vcc5n 8 db attenuation state *all vdd pins = 5v example: to get 7.5 db attenuation vcc4 = 5v, vcc4n = 0v, vcc3 = 5v, vcc3n = 0v, vcc2 = 5v and vcc1 = 5v not e: in this case vcc5 = 0v therefore vcc5n is 5v, and vcc6 = 0 pin out figure vcc6 n/c vdd1 rf in n/c n/c rf out vdd3 vdd2 n/c vcc1 vcc3n vdd vcc5n vcc4n vcc4 vcc2 vcc5 vcc3 n/c pin #1 pin #20
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