TetraFET D1024UK METAL GATE RF SILICON FET MECHANICAL DATA B A E (2 pls) C 1 K 2 3 4 G F 8 7 6 5 J Typ. GOLD METALLISED MULTI-PURPOSE SILICON DMOS RF FET 40W – 28V – 500MHz PUSH–PULL D M Q FEATURES P N I O H DD PIN 1 PIN 3 PIN 5 PIN 7 SOURCE (COMMON) DRAIN 2 SOURCE (COMMON) GATE 1 DIM A B C D E F G H I J K M N O P Q mm 9.14 12.70 45° 6.86 0.76 9.78 19.05 4.19 3.17 1.52R 1.65R 16.51 22.86 0.13 6.35 10.77 • SUITABLE FOR BROAD BAND PIN 2 PIN 4 PIN 6 PIN 8 Tol. 0.13 0.13 5° 0.13 0.13 0.13 0.25 0.13 0.13 0.13 0.13 0.13 0.13 0.02 0.64 0.13 • SIMPLIFIED AMPLIFIER DESIGN DRAIN 1 SOURCE (COMMON) GATE 2 SOURCE (COMMON) Inches 0.360 0.500 45° 0.270 0.030 0.385 0.750 0.165 0.125 0.060R 0.065R 0.650 0.900 0.005 0.250 0.424 Tol. 0.005 0.005 5° 0.005 0.005 0.005 0.010 0.005 0.005 0.005 0.005 0.005 0.005 0.001 0.025 0.005 APPLICATIONS • LOW Crss • USEFUL PO at 1 GHz • LOW NOISE • HIGH GAIN – 13 dB MINIMUM APPLICATIONS • HF/VHF/UHF COMMUNICATIONS from 1 MHz to 1 GHz ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C 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 100W 70V ±20V 5A –65 to 150°C 200°C * Per Side Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: [email protected] Website: http://www.semelab.co.uk Document Number 3037 Issue 1 D1024UK ELECTRICAL CHARACTERISTICS (Tcase = 25°C unless otherwise stated) Parameter Test Conditions Min. Typ. Max. Unit PER SIDE BVDSS Drain–Source VGS = 0 ID = 100mA VDS = 28V VGS = 0 1 mA VGS = 20V VDS = 0 1 µA VGS(th) Gate Threshold Voltage * ID = 10mA VDS = VGS 7 V gfs Forward Transconductance * VDS = 10V ID = 1A GPS Common Source Power Gain PO = 40W η Drain Efficiency VDS = 28V VSWR Load Mismatch Tolerance f = 400MHz IDSS IGSS Breakdown Voltage Zero Gate Voltage Drain Current Gate Leakage Current 70 1 V 0.8 S 13 dB 50 % 20:1 — TOTAL DEVICE IDQ = 0.4A PER SIDE Ciss Input Capacitance VDS = 28V VGS = –5V f = 1MHz 60 pF Coss Output Capacitance VDS = 28V VGS = 0 f = 1MHz 30 pF Crss Reverse Transfer Capacitance VDS = 28V VGS = 0 f = 1MHz 2.5 pF * Pulse Test: Pulse Duration = 300 µs , 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. 1.75°C / W Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: [email protected] Website: http://www.semelab.co.uk Document Number 3037 Issue 1 D1024UK P o u t 6 0 8 0 6 0 1 8 5 0 7 0 5 0 1 6 4 0 6 0 4 0 1 4 3 0 W 5 0 2 0 f = 4 0 0 M H z Id q = 0 .4 A V d s = 2 8 V 1 0 0 0 2 4 6 P in 8 1 0 1 2 D r a in E ffic ie n c y P o u t % W 3 0 4 0 2 0 3 0 1 0 2 0 1 2 f = 4 0 0 M H z Id q = 0 .4 A V d s = 2 8 V 0 0 2 4 6 P in 1 0 8 W 1 0 1 2 6 P o u t G a in Figure 1 Figure 2 Power Output and efficiency vs. Power Input. Power Output and Gain vs. Power Input. 0 d B 8 P o u t D r a in E ffic ie n c y W G a in OPTIMUM SOURCE AND LOAD IMPEDANCE -1 0 -2 0 IM D 3 -3 0 d B c -4 0 f1 = f2 = Id q = V d s = -5 0 -6 0 0 1 0 2 0 3 0 P o u t W ZS Ω ZL Ω 400MHZ 10.7 - j35.4 13.8 - j22.2 4 0 0 M H z 4 0 0 .1 M H z 0 .4 A 2 8 V 4 0 P E P Frequency MHz 5 0 6 0 IM D 3 Figure 3 IMD Vs. Output Power. Typical S Parameters ! # !Freq !MHz 100 200 300 400 500 600 700 800 900 1000 VDS = 28V, IDQ = 1A MHZ S MA R 50 S11 mag 0.767 0.813 0.841 0.861 0.882 0.902 0.923 0.912 0.923 0.923 ang -135 -153 -161 -169 -175 180 174 170 164 161 S21 mag 22.646 10.116 5.623 3.548 2.820 2.093 1.365 1.096 0.902 0.724 ang 88 57 39 25 20 14 9 2 -3 -4 S12 mag 0.0155 0.0099 0.0076 0.0130 0.0210 0.0285 0.0376 0.0457 0.0484 0.0596 ang 9 4 49 79 78 78 77 66 66 64 S22 mag 0.531 0.692 0.794 0.841 0.875 0.910 0.944 0.944 0.933 0.944 ang -103 -131 -143 -151 -156 -161 -166 -170 -176 -177 Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: [email protected] Website: http://www.semelab.co.uk Document Number 3037 Issue 1 D1024UK L2 +28V 39 L1 BIAS 100nF 30pF 10K T6 10K 620pF 30pF 100nF 10uF T2 T8 T4 620pF T10 T1 D1024UK INPUT 1-3.5pF OUTPUT 2-18pF 2-18pF T3 T9 D1024UK 620pF 620pF T5 T7 D1024UK TEST FIXTURE Substrate 1.6mm FR4 All microstrip lines W = 2.5mm T1 T2, T3 T4, T5 T6, T7 T8, T9 T10 L1 L2 45mm 50 OHM UT34 semi-rigid coax 55mm 50 OHM UT 34 semi-rigid coax 25mm microstrip line 10mm microstrip line 45mm 25 OHM UT 34-25 semi-rigid coax 60mm 50OHM UT34 semi-rigid coax 4 turns 19swg enamelled copper wire, 7mm i.d. 2.5 turns of 19swg enamelled copper wire on T50-6 ferrite toroid Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: [email protected] Website: http://www.semelab.co.uk Document Number 3037 Issue 1