1/10 preliminary data june, 17 2002 STB7102, stb7103, stb7104 0.1/2.5 ghz si mmic buffer amplifiers sot323-6l (sc70) description the STB7102, stb7103 and stb7104 designed for mobile phone applications (0.1/2.5ghz), are an high isolation si mmic buffer amplifiers. manufactured in the third generation of st proprietary bipolar process, they offers an excellent isolation and a good linearity using a low current consumption. these low current amplifiers operate on 3.0 v. the stb710x family is housed in an ultra miniature package sot323-6l surface mount package. sot323-6l dimensions are 1.15mmx1.8mm with 0.8 mm thickness. application uhf buffer amplifier for mobile phone application (0.1/2.5ghz) absolute maximum ratings symbol parameter conditions value unit v cc supply voltage 3.3 v t stg storage temperature -40 to +100 o c t a operating ambient temperature -30 to +85 o c features stb710x family ? operating frequency 100-2500mhz ? excellent isolation ? low current consumption ? ultra miniature sot323-6l package (1.15 x 1.8 x 0.8 mm) STB7102 ? high isolation (45 db @ 950 mhz) stb7103 ? high linearity (p1 db output = +1.5 dbm) stb7104 ? low current consumption (2.8 ma) ordering information p/n order code marking STB7102 STB7102tr 102 stb7103 tbd 103 stb7104 tbd 104
STB7102, stb7103, stb7104 2/10 pin no. pin name 1 input 2gnd 3gnd 4 output 5gnd 6vcc 3 2 1 4 5 6 (bottom view) 4 5 6 3 2 1 (top view) pin connection product line-up part number icc (ma) 950 mhz output port matching frequency gp at 1db (db) isl (db) p 1dbout (dbm) STB7102 4.3 15.5 45 0 stb7103 4.1 17.5 45 1.5 stb7104 2.8 17 45 -0.25 iq demodulator rf mixer lna saw filter if filter x x rf pll rf pll lo buffer amplifier if amp agc duplexer adc if pll if pll if buffer i x x x x q adc receiver section these ics can be added to your system around parts, when you need more isolation or gain. the application showed above is only an example therefore it can depend on your kit evaluation. duplexer rf mixer x rf pll lo buffer amplifier rf filter if amp if filter dac i q dac iq modulator if pll if buffer x x agc pa duplexer rf mixer x rf pll lo buffer amplifier rf filter if amp if filter dac i q dac iq modulator if pll if buffer x x rf mixer x rf pll lo buffer amplifier rf filter rf mixer x x rf pll rf pll lo buffer amplifier rf filter rf filter rf filter if amp if filter dac i q dac iq modulator if pll if buffer x x if filter dac i q dac iq modulator if pll if buffer x x dac i q dac iq modulator if pll if buffer x x iq modulator if pll if buffer x x if pll if pll if buffer x x x x agc pa transmission section example of a digital cellular phone (receiver and transmission section)
3/10 STB7102, stb7103, stb7104 (t a = +25 o c, v cc = 3v, z s = z l = 50 w , unless otherwise specified) electrical characteristics symbol parameters test conditions STB7102 (1) stb7103 (2) stb7104 (2) unit min typ max min typ max min typ max i cc circuit current f = 950 mhz 3.3 4.3 5.3 3.3 4.1 4.9 2.2 2.8 3.4 ma p1db output power at 1db compression point f = 950 mhz 0 1.5 -0.25 dbm g p gain at 1db compression point f = 950 mhz 15.5 17.5 17 db nf noise figure f = 950 mhz 3 2.85 3.3 db isl isolation f = 950 mhz 45 45 45 db rl in input return loss f = 950 mhz 8 10 7 db rl out output return loss f = 950 mhz 20 7 7 db (2) stb7103 and stb7104 data are measured in test circuit showed in page 8 (1) STB7102 data are measured in test circuit showed in page 5
STB7102, stb7103, stb7104 4/10 typical performance ( STB7102 ) output power @ 1db compression point 13 14 15 16 17 18 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 pout (dbm ) gp (db) p1dbcp -0.1 dbm power gain vs. frequency 6 8 10 12 14 16 18 800 850 900 950 1000 1050 1100 1150 1200 f (mhz ) gp (db) reverse isolation vs. frequency -60 -50 -40 -30 -20 -10 0 800 850 900 950 1000 1050 1100 1150 1200 f (mhz) isl (db) output return loss vs. frequency -60 -50 -40 -30 -20 -10 0 800 850 900 950 1000 1050 1100 1150 1200 f (mhz) orl (db) noise figure vs. frequency 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 800 850 900 950 1000 1050 1100 1150 1200 f (mhz) nf (db) input return loss vs. frequency -35 -30 -25 -20 -15 -10 -5 0 800 850 900 950 1000 1050 1100 1150 1200 f (mhz ) irl (db)
5/10 STB7102, stb7103, stb7104 STB7102 test circuit 1 2 34 4 3 2 1 title number revision size a4 date: 17-jun-2002 sheet of file: c:\progetti\lobuffer_uloba\uloba.ddb drawn by: c5 10nf c3 33pf c8 1.5pf l1 33nh c2 1uf 1 2 jp1 vcc c1 33pf l2 2n2 j1 rf in l3 10nh j2 rf out l4 5n6 gnd 3 gnd 2 input 1 vcc 6 gnd 5 out 4
STB7102, stb7103, stb7104 6/10 typical performance ( stb7103 ) output power @ 1db compression point 15 16 17 18 19 20 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 pout (dbm) gp (db) p1dbcp +1.54 dbm power gain vs. frequency 0 2 4 6 8 10 12 14 16 18 20 800 850 900 950 1000 1050 1100 1150 1200 f (mhz) gp (db) reverse isolation vs. frequency -80 -70 -60 -50 -40 -30 -20 -10 0 800 850 900 950 1000 1050 1100 1150 1200 f (mhz) isl (db) output return loss vs. frequency -30 -25 -20 -15 -10 -5 0 5 10 800 850 900 950 1000 1050 1100 1150 1200 f (mhz) orl (db) noise figure vs. frequency 1 1.5 2 2.5 3 3.5 4 800 850 900 950 1000 1050 1100 1150 1200 f (mhz) nf (db) input return loss vs. frequency -35 -30 -25 -20 -15 -10 -5 0 800 850 900 950 1000 1050 1100 1150 1200 f (mhz) irl (db)
7/10 STB7102, stb7103, stb7104 typical performance ( stb7104 ) output power @ 1db compression point 15 16 17 18 19 20 -11 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 pout (dbm) gp (db) p1dbcp -0.25 dbm power gain vs. frequency 0 2 4 6 8 10 12 14 16 18 20 800 850 900 950 1000 1050 1100 1150 1200 f (mhz) gp (db) reverse isolation vs. frequency -80 -70 -60 -50 -40 -30 -20 -10 0 800 850 900 950 1000 1050 1100 1150 1200 f (mhz) isl (db) output return loss vs. frequency -30 -25 -20 -15 -10 -5 0 5 10 800 850 900 950 1000 1050 1100 1150 1200 f (mhz) orl (db) noise figure vs. frequency 2 2.5 3 3.5 4 4.5 5 800 850 900 950 1000 1050 1100 1150 1200 f (mhz) nf (db) input return loss vs. frequency -35 -30 -25 -20 -15 -10 -5 0 800 850 900 950 1000 1050 1100 1150 1200 f (mhz) irl (db)
STB7102, stb7103, stb7104 8/10 stb7103 / stb7104 test circuit 4 3 2 1 d c b a title number revisi size a4 date: 17-jun-2002 sheet of gnd 3 gnd 2 input 1 vcc 6 gnd 5 out 4 c5 10nf c3 33pf c8 1pf l1 33nh c2 1uf 1 2 jp1 vcc c1 33pf j1 r f in l3 10nh j2 rf out 15nh l
9/10 STB7102, stb7103, stb7104 sot323-6l mechanical data mm inch min. typ. max min. typ. max a 0.8 1.1 0.031 0.043 a1 0 0.1 0 0.004 a2 0.8 1 0.0031 0.039 b 0.15 0.3 0.006 0.012 c 0.1 0.18 0.004 0.007 d 1.8 2.2 0.071 0.088 e 1.15 1.35 0.045 0.59 e 0.65 0.025 h 1.8 2.4 0.071 0.094 q 0.1 0.4 0.004 0.016 dim.
STB7102, stb7103, stb7104 10/10 information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the co nsequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specifications mentioned in this publicati on are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics prod ucts are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectro nics. the st logo is registered trademark of stmicroelectronics a 2002 stmicroelectronics - all rights reserved all other names are the property of their respective owners. stmicroelectronics group of companies australia - brazil - canada - china - finland - france - germany - hong kong - india - israel - italy - japan - malaysia - malta - morocco - singapore - spain - sweden - switzerland - united kingdom - u.s.a. http://www.st.com
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