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| TetraFET D2012UK METAL GATE RF SILICON FET MECHANICAL DATA C N (typ) B 3 D (2 pls) 2 1 A F (2 pls) H J GOLD METALLISED MULTI-PURPOSE SILICON DMOS RF FET 10W - 28V - 1GHz SINGLE ENDED FEATURES * SIMPLIFIED AMPLIFIER DESIGN M I E K G * SUITABLE FOR BROAD BAND APPLICATIONS * LOW Crss * SIMPLE BIAS CIRCUITS DP PIN 1 PIN 3 SOURCE GATE PIN 2 DRAIN DIM mm A 16.51 B 6.35 C 45 D 3.30 E 18.92 F 1.52 G 2.16 H 14.22 I 1.52 J 6.35 K 0.13 M 5.08 N 1.27 x 45 Tol. 0.25 0.13 5 0.13 0.08 0.13 0.13 0.08 0.13 0.13 0.03 0.51 0.13 Inches 0.650 0.250 45 0.130 0.745 0.060 0.085 0.560 0.060 0.250 0.005 0.200 0.050 x 45 Tol. 0.010 0.005 5 0.005 0.003 0.005 0.005 0.003 0.005 0.005 0.001 0.020 0.005 * LOW NOISE * HIGH GAIN - 10 dB MINIMUM APPLICATIONS * VHF/UHF COMMUNICATIONS from 50 MHz to 2 GHz ABSOLUTE MAXIMUM RATINGS (Tcase = 25C unless otherwise stated) PD BVDSS BVGSS ID(sat) Tstg Tj Power Dissipation Drain - Source Breakdown Voltage Gate - Source Breakdown Voltage Drain Current Storage Temperature Maximum Operating Junction Temperature 42W 65V 20V 4A -65 to 150C 200C Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Prelim. 12/00 D2012UK ELECTRICAL CHARACTERISTICS (Tcase = 25C unless otherwise stated) Parameter Test Conditions Min. BVDSS IDSS IGSS gfs GPS Ciss Coss Crss Drain-Source Breakdown Voltage Zero Gate Voltage Drain Current Gate Leakage Current Forward Transconductance* Common Source Power Gain Drain Efficiency Input Capacitance Output Capacitance Reverse Transfer Capacitance VGS = 0 VDS = 28V VGS = 20V ID = 10mA VDS = 10V PO = 10W VDS = 28V f = 1GHz VDS = 0 VDS = 28V VDS = 28V VGS = -5V f = 1MHz VGS = 0 f = 1MHz VGS = 0f = 1MHz IDQ = 0.4A ID = 10mA VGS = 0 VDS = 0 VDS = VGS ID = 0.8A 1 0.72 10 40 20:1 65 Typ. Max. Unit V 0.8 1 7 mA A V S dB % -- 48 24 2 pF pF pF VGS(th) Gate Threshold Voltage* VSWR Load Mismatch Tolerance * Pulse Test: Pulse Duration = 300 s , Duty Cycle 2% HAZARDOUS MATERIAL WARNING The ceramic portion of the device between leads and metal flange is beryllium oxide. Beryllium oxide dust is highly toxic and care must be taken during handling and mounting to avoid damage to this area. THESE DEVICES MUST NEVER BE THROWN AWAY WITH GENERAL INDUSTRIAL OR DOMESTIC WASTE. THERMAL DATA RTHj-case Thermal Resistance Junction - Case Max. 4.2C / W Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Prelim. 12/00 D2012UK 3RXW JDLQ 3RXW (IILFLHQF\ 3RXW : I 0+] ,GT $ 9GV 9 *DLQ G% 3RXW : I 0+] ,GT $ 9GV 9 (IILFLHQF\ 3LQ: 3LQ: Figure 1 Output Power and Gain vs. Input Power ,0' G%F Figure 2 Output Power and Efficiency vs. Input Power OPTIMUM SOURCE AND LOAD IMPEDANCE I 0+] I 0+] 9GV 9 ,GT $ ,0' Frequency MHz 1000 ZS 5.0 - j7.2 ZL 2.4 - j7.1 3RXW:3(3 Figure 3 Output Power and Efficiency vs. Input Power Typical S Parameters ! # !Freq !MHz 100 200 300 400 500 600 700 800 900 1000 Vds=28V, Idq=0.8A MHz S MA R 50 S11 mag 0.841 0.871 0.891 0.902 0.923 0.933 0.955 0.955 0.966 0.955 ang -122 -146 -156 -163 -170 -174 -175 -177 179 177 S21 mag 24.547 11.482 6.683 4.365 3.055 2.113 1.758 1.413 1.161 0.944 ang 98 69 52 40 27 22 19 12 5 3 S12 mag ang 0.01318 13 0.01 0 0.00653 10 0.00596 49 0.00891 71 0.01349 79 0.01862 85 0.02344 82 0.02851 80 0.03236 80 S22 mag 0.49 0.61 0.708 0.767 0.813 0.851 0.881 0.902 0.902 0.902 ang -94 -125 -137 -146 -155 -165 -166 -170 -177 -179 Prelim. 12/00 Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk D2012UK 10 +28V 100uF G a te -B ia s 10K 1nF 1nF L2 6 .8 n F 6 x 3m m c o n ta c t pad D 2012U K 6x3mm c o n ta c t p a d T3 10pF 8 .2 p F L1 30pF T1 1 -1 0 p F 3 .3 K 10nF T2 T4 1 -1 0 p F T5 30pF 1 -1 0 p F 1GHz Test Fixture Substrate 0.8mm PTFE/glass, Er = 2.5 All microstrip lines W = 2.2mm T1 35mm T2 15mm T3 4mm T4 14mm T5 32mm L1 7.5 turns 24swg enamelled copper wire, 3mm i.d. L2 1.5 turns 24swg enamelled copper wire on ferrite core Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Prelim. 12/00 |
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