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| START620 NPN SiGe RF Transistor PRELIMINARY DATA * LOW NOISE FIGURE: NFmin = 0.8dB @ 1.8GHz, 5mA, 2V * COMPRESSION P1dB = 13dBm @ 1.8GHz, 20mA, 2V * ULTRA MINIATURE SOT343 PACKAGE SOT343 (SC70) ORDER CODE START620TR BRANDING 620 DESCRIPTION The START620 is a member of the START family that provide market with the state of the art of RF silicon process. It uses ST's Silicon Germanium technology. This technology offers ft's of up to 45GHz and Fmax's of over 60GHz. The START620 offers the best mix of gain and NF for given breakdown voltage(BVceo = 3.3V). It reaches performance level only achieved with GaAs products before. APPLICATIONS * LNA FOR GSM/DCS, CDMA, WCDMA, BLUETOOTH * GENERAL PURPOSE 500MHz-5GHz ABSOLUTE MAXIMUM RATINGS Symbol Vceo Vcbo Vebo Ic Ib Ptot Tstg Tj Collector emitter voltage Collector base voltage Emitter base voltage Collector current Base current Total dissipation, Ts = 101 Storage temperature Max. operating junction temperature Parameter Value 3.3 10 1.5 40 4 135 -65 to 150 150 Unit V V V mA mA mW oC oC ABSOLUTE MAXIMUM RATINGS Rthjs Thermal Resistance Junction soldering point 270 oC/W May, 3 2002 1/5 START620 ELECTRICAL CHARACTERISTICS (Tj=25 oC,unless otherwise specified) Symbol Icbo Iebo Hfe NFmin Ga |S21|2 Gms (1) Parameter Collector cutoff current Emitter-base cutoff current DC current gain Minimim noise figure NFmin associated gain Insertion power gain Maximum stable gain 1dB compression point Ouput third order intercept point Test Conditions Vcb = 8V, Ie = 0A Veb = 1.5V, Ic = 0A Ic = 20mA, Vce = 2V Ic = 5mA, Vce = 2V, f = 1.8GHz, Zs = Zsopt Ic = 5mA, Vce = 2V, f = 1.8GHz Ic = 20mA, Vce = 2V, f = 1.8GHz Ic = 20mA, Vce = 2V, f = 1.8GHz Ic = 20mA,Vce = 2V, f = 1.8GHz Ic = 20mA,Vce = 2V, f = 1.8GHz Min. Typ. Max. 150 15 Unit nA A 100 0.8 14.5 16.2 18.6 13 23 dB dB dB dB dBm dBm P-1dB OIP3 Note(1): Gms = | S 21 / S12 | PINOUT 4 3 PIN CONNECTION Top view 1 2 Pin No. 1 3 2,4 Description BASE COLLECTOR EMITTER SOT343 2/5 START620 COMMON EMITTER S-PARAMETERS ( VCE = 2V, IC = 20mA ) FREQ (MHz) 0.1 0.5 0.9 1 1.5 1.8 2 2.5 3 3.5 4 IS11I 0.505 0.322 0.245 0.237 0.193 0.188 0.190 0.218 0.219 0.209 0.195 S11 -21 -69 -88 -92 -97 -95 -89 -76 -86 -80 -89 IS21I 35.490 19.713 12.607 11.751 7.564 6.534 5.834 4.639 3.688 3.537 3.006 S21 163 134 130 130 133 139 144 154 165 172 180 IS12I 0.009 0.030 0.048 0.052 0.071 0.088 0.093 0.109 0.160 0.181 0.200 S12 80 84 100 102 118 127 133 148 170 174 173 IS22I 0.940 0.611 0.484 0.470 0.430 0.443 0.449 0.497 0.455 0.412 0.355 S22 -14 -38 -43 -44 -46 -48 -49 -55 -66 -73 -80 3/5 START620 PACKAGE DIMENSIONS SOT343 (SC-70 4 leads) 1.30 1.15-1.35 2.00-2.20 1.15 0.55-0.65 1.90-2.10 1.15-1.35 0.80-1.00 0.45 0.10-0.20 0.25-0.35 0.00-0.10 4/5 START620 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences 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 publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is registered trademark of STMicroelectronics (R) 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 5/5 |
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