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1 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com 25 26 27 28 29 30 31 32 33 34 35 2.22.32.42.52.62.72.82. 9 frequency (ghz) output power (dbm) key features ? 2.3-2.8 ghz bandwidth ? 2.5% evm @ 23 dbm pout (2.6ghz 802.11g ofdm waveform) ? 39 dbc imd3 @ 21 dbm pout/tone ? 28 db nominal gain ? 29.8 dbm nominal p1db ? 16 db step attenuator function ? power sample port ? bias: +6 v (single bias) ? package dimensions: 5.0 x 5.0 x 0.9 mm qfn primary applications ? fixed broadband wireless ? 2.5ghz wimax ? wibro preliminary measured data bias conditions: vd = +6 v self bias p2db p1db s21 s11 s22 general description TGA2702-SM is a linear amplifier operating for 802. 16 fixed broadband wireless applications across the 2.3 to 2.8 ghz frequency band. application include wimax, 802.11g and wibro. the pa delivers 28 db of small-signal gain and pout of 23dbm @ 2.5% evm (2.6ghz 802.11g ofdm waveform) from a single +6v power supply. the tga2702 incorporates an 16 db step attenuator function and a power sample port. the 50 ohm device requires minimum external components for operation, and is packaged in a low- cost, surface mount 5x5 qfn style package. lead-free & rohs compliant demo boards are available. 2.5ghz wimax driver / power amplifier datasheet subject to change without notice
2 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com table i maximum ratings 1 / symbol parameter value notes vd drain voltage 7 v 2/ vctrl gain control voltage 7 v id drain current 1.1 a 2 / 3 / ? ig ? gate current 6 ma 3 / p in input continuous wave power 25 dbm p d power dissipation 7.7 w 2 / 4 / t ch operating channel temperature 200 c 5 / mounting temperature (30 seconds) 260 c t stg storage temperature -65 to 150 c 1 / these ratings represent the maximum operable values for this device. 2 / combinations of supply voltage, supply current, input power, and output power shall not exceed p d . 3 / total current for the device. 4/ when operated at this bias condition with a base plate temperature of 85 c, the median life is 6.2e4. 5/ junction operating temperature will directly affect the device median time to failure (tm). for maximum life, it is recommended that junction temperatures be maintained at the lowest possible levels.
3 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com table ii electrical characteristics (ta = 25 0 c nominal) response units typical notes frequency band ghz 2.3 - 2.8 drain operating voltage v 6 small signal gain db 28 input return loss db 12 output return loss db 14 control gain step db 16 psat dbm 31.5 pin at 11 dbm p1db dbm 30 evm % 2.5 at 2.6ghz, 23 dbm pout gain variation over temperature db/ o c0.03 imd3 dbc 38 at 21 dbm pout/tone toi dbm 40 at 21 dbm pout/tone
4 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com table iii thermal information parameter test conditions t ch (c) jc (c/w) tm (hrs) jc thermal resistance (channel to backside of package) vd = 6v i d = 0.77 a pdiss = 4.62 w 145.5 13.1 3.8e+6 note: package backside soldered to carrier at 85 c baseplate temperature. median lifetime (tm) vs. channel temperature
5 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com -40 -30 -20 -10 0 10 20 30 40 1 1.5 2 2.5 3 3.5 4 frequency (ghz) s-parameter (db) preliminary measured data bias conditions: vd = 6 v, id =750 ma self bias s21 s11 s22 p2db p1db
6 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com preliminary measured data bias conditions: vd = 6 v, id =750 ma self bias -60 -50 -40 -30 -20 -10 0 15 17 19 21 23 25 27 output power per tone (dbm) imr3 (dbc) 2.4ghz 2.5ghz 2.6ghz 2.7ghz 2.8ghz
7 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com preliminary measured data bias conditions: vd = 6 v, id =750 ma self bias
8 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com preliminary measured data bias conditions: vd = 6 v, id =750 ma self bias
9 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com package layout top view bottom view
10 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com package pinout diagram top side dot indicates pin 1 bottom side pin description pin description 1,2,3 nc 14 power sample 4 rf input 18 rf output 5,6,7,8,9 nc 19,20,21 nc 10 gain control 22 vd2 11,13 nc 23,24,25 nc 12 gate acess 26 vd1 15,16,17 nc 27,28 nc 1 7 8 14 15 21 22 28 gnd
11 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com mechanical drawing (bottom side) units: mm [inch] package tolerance: +/- 0.05 5.00 [0.197] 3.50 [0.138] 5.00 [0.197] 3.50 [0.138] 0.50 [0.02]
12 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com recommended board layout assembly ? the evaluation board material is 20 mil thick ro4003 ? 100 pf and 0.01 uf are requi red de-coupling capacitor 0.01uf 100pf
13 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com tga2702 bias connection self-biased mode connect gain control and vg to ground. apply +6v to vd. current will be ~750ma 4 inch or longer jumper or 10nh inductor 6v gate control mode 6v vg connect gain control to ground. apply negative voltage vg. apply +6v to vd. current will be ~750ma
14 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com -40 -30 -20 -10 0 10 20 2 2.2 2.4 2.6 2.8 3 3.2 3.4 frequency (ghz) s parameter (db) 6v 6v for 16 db attenuation testing: connect gain control to +6v and vg to ground. apply +6v to vd. current will be ~750ma 4 inch or longer jumper or 10nh inductor tga2702 bias connection gain control mode s21 s11 s22
15 TGA2702-SM may 2009 ? rev - triquint semiconductor: www. tri quint.com (972)994- 8465 fax (972)994-8504 info-mmw@tqs.com recommended surface mount package assembly proper esd precautions must be followed while handling packages. clean the board with acetone. rinse with alc ohol. allow the circuit to fully dry. triquint recommends using a conductive solder paste for attachment. follow solder paste and reflow oven vendors? recommendations when developing a solder reflow profile. typical solder reflow profiles are listed in the table below. hand soldering is not recommended. solder paste c an be applied using a stencil printer or dot placement. the volume of solder paste depends on pcb and component layout and should be well controlled to ensure consistent mechanical and electrical performance. clean the assembly with alcohol. typical solder reflow profiles reflow profile snpb pb free ramp-up rate 3 c/sec 3 c/sec activation time and temperature 60 ? 120 sec @ 140 ? 160 c 60 ? 180 sec @ 150 ? 200 c time above melting point 60 ? 150 sec 60 ? 150 sec max peak temperature 240 c 260 c time within 5 c of peak temperature 10 ? 20 sec 10 ? 20 sec ramp-down rate 4 ? 6 c/sec 4 ? 6 c/sec

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