TetraFET D1023UK ROHS COMPLIANT METAL GATE RF SILICON FET MECHANICAL DATA GOLD METALLISED MULTI-PURPOSE SILICON DMOS RF FET 60W – 28V – 175MHz SINGLE ENDED C D (2 pls) E 1 B 2 3 A G 5 4 H I FEATURES • SIMPLIFIED AMPLIFIER DESIGN F M J K N DT PIN 1 SOURCE (COMMON) PIN 2 GATE PIN 3 SOURCE (COMMON) PIN 4 SOURCE (COMMON) PIN 5 DRAIN DIM A B C D E F G H I J K M N • SUITABLE FOR BROAD BAND APPLICATIONS • LOW Crss • SIMPLE BIAS CIRCUITS • LOW NOISE mm 6.35 DIA 3.17 DIA 18.41 5.46 5.21 7.62 21.59 3.94 12.70 0.13 24.76 2.59 4.06 Tol. 0.13 0.13 0.25 0.13 0.13 MAX 0.38 0.13 0.13 0.03 0.13 0.13 0.25 Inches 0.250 DIA 0.125 DIA 0.725 0.215 0.205 0.300 0.850 0.155 0.500 0.005 0.975 0.102 0.160 Tol. 0.005 0.005 0.010 0.005 0.005 MAX 0.015 0.005 0.005 0.001 0.005 0.005 0.010 • HIGH GAIN – 16 dB MINIMUM APPLICATIONS • HF/VHF COMMUNICATIONS from 1 MHz to 175 MHz 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 117W 70V ±20V 15A –65 to 150°C 200°C 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. Website: http://www.semelab.co.uk E-mail: [email protected] Document Number 6934 Issue 1 D1023UK ELECTRICAL CHARACTERISTICS (Tcase = 25°C unless otherwise stated) Parameter Test Conditions Min. BVDSS IDSS IGSS Drain–Source Breakdown Voltage Zero Gate Voltage Drain Current Gate Leakage Current VGS(th) Gate Threshold Voltage * Typ. Max. Unit V VGS = 0 ID = 100mA VDS = 28V VGS = 0 1 mA VGS = 20V VDS = 0 1 μA ID = 10mA VDS = VGS 7 V ID = 3A gfs Forward Transconductance * VDS = 10V GPS Common Source Power Gain PO = 60W η Drain Efficiency VDS = 28V VSWR Load Mismatch Tolerance f = 175MHz IDQ = 0.3A 70 1 2.4 S 16 dB 50 % 20:1 — Ciss Input Capacitance VDS = 0 VGS = –5V f = 1MHz 180 pF Coss Output Capacitance VDS = 28V VGS = 0 f = 1MHz 90 pF Crss Reverse Transfer Capacitance VDS = 28V VGS = 0 f = 1MHz 7.5 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. 1.5°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. Website: http://www.semelab.co.uk E-mail: [email protected] Document Number 6934 Issue 1 D1023UK 140 80 140 17 120 70 120 16 100 60 100 15 Pout 80 50 Drain Efficiency P out 80 14 Gain W 60 40 % W 60 13 dB VDS = 28V 40 30 IDQ = 0.3A 20 f = 175MHz 1 2 3 4 5 6 7 20 20 10 0 12 IDQ = 0.3A 11 f = 175MHz 0 0 VDS = 28V 40 8 0 1 2 3 4 P in W 5 6 7 8 10 P in W Pout Drain Efficiency Pout Gain Figure 1 – Power Output and Efficiency vs. Power Input. Figure 2 – Power Output & Gain vs. Power Input. -10 -15 IMD3 dBc -20 D1023UK -25 OPTIMUM SOURCE AND LOAD IMPEDANCE -30 -35 f1 = 175.0MHz -45 f2 = 175.1MHz -50 Frequency MHz 175MHz VDS = 28V -40 0 20 40 60 80 P out W PEP 100 ZS ZL Ω Ω 2.0 – j4.3 3.7 – j4.5 120 Idq = 0.3A Idq = 2A Figure 3 – IMD vs. Output Power. Typical S Parameters ! # !Freq MHz 70 100 150 200 250 300 350 400 450 500 VDS = 28V, IDQ = 0.3A MHZ S MA R 50 S11 mag 0.83 0.87 0.91 0.93 0.95 0.97 0.96 0.98 0.98 0.97 ang -156.8 -163.3 -171.0 -177.6 177.6 173.6 168.6 165.0 161.9 159.3 S21 mag 6.9 4.3 2.3 1.4 0.9 0.7 0.5 0.4 0.3 0.3 ang 59.9 46.9 31.5 22.6 14.3 10.5 4.0 3.9 2.9 2.1 S12 mag 0.018 0.012 0.007 0.013 0.022 0.032 0.039 0.048 0.053 0.064 ang -16.7 -15.5 37.1 81.0 86.6 86.9 80.0 80.0 77.5 74.8 S22 mag 0.65 0.75 0.84 0.90 0.93 0.95 0.96 0.98 0.98 0.97 ang -137.0 -147.2 -159.7 -168.8 -175.0 179.5 175.3 172.0 169.8 166.5 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. Website: http://www.semelab.co.uk E-mail: [email protected] Document Number 6934 Issue 1 D1023UK 20 18 16 Vg=13 V Vg=12 V Vg=11 V Vg=10 V Vg=9V Vg=8 V Vg=7 V Vg=6 V Vg=5 V 14 12 IDS (A) 10 8 6 4 2 0 0.00 5.00 10.00 15.00 20.00 25.00 30.00 35.00 VDS (V) Figure 4 – Typical IV Characteristics. Capacitance pF 1000 100 Output capacitance Input Capacitance 10 Reverse transfer capacitance 1 0 5 10 15 20 25 30 Vds V Figure 5 – Typical CV Characteristics. 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. Website: http://www.semelab.co.uk E-mail: [email protected] Document Number 6934 Issue 1 D1023UK Gate-Bias +28V 10K 1nF 10nF 10K 5-57pF D1023UK 7 x 7 mm contact pad 5-57pF 22uF 1uF L3 5-57pF L2 T L1 T 10nF T T 5-57pF 7 x 7mm contact pad D1023UK 175MHz TEST FIXTURE Substrate 1.6mm PTFE/ glass, Er= 2.5 All microstrip lines W= 4.4mm T1 T2 T3 T4 8mm 22mm 18mm 4.5mm L1 L2 L3 Hairpin loop 16swg 15.5mm dia. Hairpin loop 16swg 10mm dia. 11 turns 18swg enamelled copper wire, 10mm i. d. 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. Website: http://www.semelab.co.uk E-mail: [email protected] Document Number 6934 Issue 1