START450

www.DataSheet4U.com START450 NPN Silicon RF Transistor COMPRESSION POINT P1dB=19dBm @ 1.8GHz TRANSITION FREQUENCY 42GHz HIGH LINEARITY ULTRA MINIATURE SOT343(SC70) PACKAGE SOT343 (SC70) ORDER CODE START450TR BRANDING 450 DESCRIPTION The START450 is a member of the START family that provide the state of the art of RF silicon process to the market. Manufacturated in the third generation of ST proprietary bipolar process, it offers the best mix of gain and NF for given breakdown voltage(BVceo). It offers performance level only archived with GaAs products before. APPLICATIONS LNA FOR GSM/DCS, DECT, PCS, PCN, CDMA, W-CDMA PREDRIVER FOR DECT 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 = TBD Storage temperature Max. operating junction temperature Parameter Value 4.5 15 1.5 100 10 450 -65 to 150 150 Unit V V V mA mA mW oC oC ABSOLUTE MAXIMUM RATINGS Rthjs Thermal Resistance Junction soldering point MAX ≤ 120 o C/W November, 20 2002 1/7 START450 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 ...