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bga428 gain and pcs low noise amplifier data sheet, rev. 2.3, sept. 2011 rf & protection devices
edition 2011-09-02 published by infineon technologies ag, 81726 mnchen, germany ? infineon technologies ag 2011. all rights reserved. attention please! the information herein is given to describe certain co mponents and shall not be considered as a guarantee of characteristics. terms of delivery and rights to technical change reserved. we hereby disclaim any and all warranties, including but not limited to warranties of non-infringement, regarding circuits, descriptions and charts stated herein. information for further information on technology , delivery terms and conditions and prices please contact your nearest infineon technologies office ( www.infineon.com ). warnings due to technical requirements components may contain da ngerous substances. for information on the types in question please contact your nearest infineon technologies office. infineon technologies components may only be used in life-support devices or systems with the express written approval of infineon technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system, or to affect the safe ty or effectiveness of that device or system. life support devices or systems are intended to be implanted in the hu man body, or to support an d/or maintain and sustain and/or protect human life. if they fail, it is reasonable to assume that the health of the user or other persons may be endangered.
bga428 data sheet 3 rev. 2.3, 2011-09-02 trademarks sieget ? is a registered trademark of infineon technologies ag. bga428, gain and pcs low noise amplifier revision history: 2011-09-02, rev. 2.3 previous version: 2007-11-06, rev. 2.3 page subjects (major cha nges since last revision) 6 correction of typing error in table 3 , ( iip 3 is -9 dbm)
data sheet 4 rev. 2.3, 2011-09-02 bga428 silicon germanium broadband mmic amplifier 1 silicon germanium broa dband mmic amplifier figure 1 pin connection description bga428 is a high gain , low noise amplifier. note: esd: electrostatic discharge sensitive device, observe handling precaution feature ? high gain, g ma = 20 db at 1.8 ghz ? low noise figure, nf = 1.4 db at 1.8 ghz ? prematched ? ideal for gsm, dcs1800, pcs1900 ? open collector output ? typical supply voltage: 2.4 - 3 v ? sieget ? -45 technology ? pb-free (rohs compliant) package sot363 type package marking bga428 sot363 pgs 1 6 2 3 5 4 bga428_pin_connection.vsd vcc,1 gnd, 2;5 out, 3 gs, 4 in, 6
bga428 silicon germanium broadband mmic amplifier data sheet 5 rev. 2.3, 2011-09-02 maximum ratings note: all voltages refer to gnd-node thermal resistance table 1 maximum ratings parameter symbol limit value unit device voltage v cc 4v voltage at pin out v out 4v voltage at pin gs v gs 3.5 v current into pin in i in 0.5 ma total device current 1) 1) i tot = current into out + current into v cc i tot 12 ma input power 2) 2) valid for: a) z l = 50 , z s = 50 , v cc = 2.7 v, v out = 2.7 v, v gs = 0.0 v, gnd = 0.0 v b) z l = 50 , z s = 50 , v cc =0.0v, v out = 0.0 v, v gs = 2.7 v, gnd = 0.0 v p in 8dbm total power dissipation, t s < 125 c 3) 3) t s is measured on the ground lead at the soldering point p tot 50 mw junction temperature t j 150 c operating temperature range t op -40... 85 c storage temperature range t stg -65... 150 c table 2 thermal resistance parameter symbol value unit junction - soldering point 1) 1) for calculation of r thja please refer to application note thermal resistance r thjs 220 k/w
data sheet 6 rev. 2.3, 2011-09-02 bga428 electrical characteristics 2 electrical characteristics 2.1 electrical characteristics at t a = 25 c (measured in test circuit specified in figure 2 ), v cc = 2.7 v, frequency = 1.8 g hz, unless otherwise specified figure 2 test circuit for electrical characteristics and s-parameter table 3 electrical characteristics parameter symbol va lues unit note / test condition min. typ. max. maximum available power gain g ma 20 db noise figure ( z s = 50 ) nf 1.4 db input power at 1 db gain compression p -1db -19 dbm input third order intercept point iip 3 -9 dbm total device current i tot 8.2 ma insertion loss in gain-step-mode l gs 13.5 db v cc =0.0v, v ctrl =2.7v, r crrl =3k bga428_test_circuit.vsd top view bias-t bias-t 47pf 180pf 100nf 2.7v out in reference plane r eference plane v ct rl gs gnd in v cc out r ct rl =3k
bga428 electrical characteristics data sheet 7 rev. 2.3, 2011-09-02 table 4 s-parameter at 2.7 v (see electrical characteristics for conditions) frequency [ghz] s11 mag s11 ang s21 mag s21 ang s12 mag s12 ang s22 mag s22 ang 0.100 0.6756 -31.7 58.775 -19.6 0.0005 153.5 0.9491 -3.9 0.200 0.5936 -53.6 47.806 -43.1 0.0014 138.4 0.9327 -6.3 0.300 0.5150 -71.4 39.232 -59.5 0.0021 119.0 0.9174 -8.3 0.400 0.4587 -86.6 31.740 -71. 8 0.0028 104.9 0.9035 -10.3 0.600 0.4004 -110.7 23.868 -89. 6 0.0042 105.9 0.8807 -14.0 0.800 0.3743 -129.1 18.509 -103 .2 0.0063 94.3 0.8593 -17.7 1.000 0.3743 -143.0 14.825 -114 .5 0.0082 92.4 0.8352 -21.4 1.200 0.3816 -154.5 12.288 -124 .7 0.0093 87.2 0.8116 -25.1 1.400 0.3922 -164.4 10.353 -134 .2 0.0110 85.3 0.7865 -28.7 1.600 0.4086 -1.72.4 8.879 -143.2 0.0132 79.4 0.7597 -32.2 1.800 0.4265 -178.9 7.732 -151.4 0.0141 79.4 0.7309 -36.0 1.900 0.4314 -178.8 7.214 -155.2 0.0146 76.1 0.7199 -37.5 2.000 0.4371 176.1 6.771 -159.1 0.0150 77.0 0.7097 -39.1 2.200 0.4505 171.2 5.976 -166.6 0.0169 75.2 0.6791 -42.3 2.400 0.4640 167.2 5.298 -173.5 0.0181 73.2 0.6593 -45.6 3.000 0.4935 155.9 3.935 167. 0 0.0217 68.3 0.5925 -53.3 4.000 0.5181 141.2 2.605 139. 2 0.0282 65.1 0.5284 -64.9 5.000 0.5202 126.9 1.911 113. 6 0.0319 62.2 0.4829 -75.1 6.000 0.5128 110.0 1.479 89.9 0.0489 56.0 0.4323 -81.7
data sheet 8 rev. 2.3, 2011-09-02 bga428 electrical characteristics 2.2 application circuit char acteristics (measured in test circuit specified in figure 3 ), t a = 25 c, v cc = 2.7 v, frequency = 1.85 ghz, unless otherwise specified figure 3 application circuit for 1850 mhz table 5 application circuit characteristics parameter symbol va lues unit note / test condition min. typ. max. insertion power gain |s 21 | 2 19 db noise figure ( z s = 50 ) nf 1.4 db input power at 1 db gain compression p -1db -19 dbm input third order intercept point iip 3 -9 dbm total device current i tot 8.2 ma insertion loss in gain-step-mode l gs 13.5 db v cc =0.0v, v ctrl =2.7v, r crrl =3k bga428_application_circuit.vsd gs in gnd out vcc supply 47pf 180pf rfout 3.9nh 0.9pf 150pf 3k rfin bga428 v ct rl
bga428 measured parameters data sheet 9 rev. 2.3, 2011-09-02 3 measured parameters refer to the application circuit given in figure 3 power gain |s21| 2 =f(f) v cc = 2.7v, v out =2.7v 0 1 2 3 4 5 6 ?25 ?20 ?15 ?10 ?5 0 5 10 15 20 frequency [ghz] insertion gain [db] power gain |s21| 2 =f(f) v cc = 2.7v, v out =2.7v 1.7 1.8 1.9 2 2.1 15 16 17 18 19 20 21 22 23 frequency [ghz] insertion gain [db] off?gain |s 21 | 2 =f(v ctrl ) v cc = 0.0v, v out =0.0v,r ctrl =2.7k 2 2.2 2.4 2.6 2.8 3 3.2 ?20 ?19 ?18 ?17 ?16 ?15 ?14 ?13 ?12 ?11 ?10 v ctrl [v] insertion gain [db] 1800mhz 1990mhz matching |s 11 |,|s 22 |=f(f) v cc = 2.7v, v out =2.7v 1 1.5 2 2.5 3 ?30 ?25 ?20 ?15 ?10 ?5 0 frequency [ghz] |s 11 |, |s 22 | [db] s 11 s 22
data sheet 10 rev. 2.3, 2011-09-02 bga428 measured parameters input compression point p ?1db =f(f) 1800 1850 1900 1950 2000 ?20 ?19.5 ?19 ?18.5 ?18 ?17.5 ?17 ?16.5 frequency [mhz] input compression point [dbm] v cc =2.4v v cc =2.7v v cc =2.85v device current i=f( ? ) v cc =2.7v, v out =2.7v ?20 0 20 40 60 80 7 7.2 7.4 7.6 7.8 8 8.2 8.4 8.6 8.8 9 temperature [c] device current [ma] insertion gain |s 21 | 2 =f( ? ) v cc =2.7v, v out =2.7v ?20 0 20 40 60 80 15 16 17 18 19 20 21 22 23 24 25 temperature [c] |s 21 | 2 [db] f=1800mhz f=1990mhz
bga428 package information data sheet 11 rev. 2.3, 2011-09-02 4 package information figure 4 package outline sot363 figure 5 tape for sot363 +0.1 0.2 1 6 23 5 4 0.2 2 +0.1 -0.05 gps05604 0.15 0.1 1.25 0.1 max. 0.9 0.1 a -0.05 6x 0.1 m 0.65 0.65 2.1 0.1 0.1 0.1 min. m 0.2 a pin 1 marking 0.2 4 2.15 1.1 8 2.3 pin 1 marking csog5902

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