TetraFET DMD5012 DMD5012-A ROHS COMPLIANT METAL GATE RF SILICON FET MECHANICAL DATA B C (2 pls) 2 G (typ) 3 1 H P (2 pls) A D 5 4 E (4 pls) IMPROVED PERFORMANCE GOLD METALLISED SILICON DMOS RF FET 100W – 50V – 500MHz PUSH–PULL F I FEATURES • SUITABLE FOR BROAD BAND APPLICATIONS N PIN 1 PIN 3 PIN 5 M O SOURCE (COMMON) DRAIN 2 GATE 1 DIM A B C D E F G H I J K M N O P J D1 Millimetres 15.24 10.80 45° 9.78 8.38 27.94 1.52R 10.16 21.84 0.10 1.96 1.02 4.45 34.04 1.63R PD BVDSS BVGSS ID(sat) Tstg Tj PIN 2 PIN 4 K DRAIN 1 GATE 2 • SIMPLE BIAS CIRCUITS • ULTRA-LOW THERMAL RESISTANCE • BeO FREE Tol. 0.50 0.13 5° 0.13 0.13 0.13 0.13 0.15 0.23 0.02 0.13 0.13 0.38 0.13 0.13 Inches 0.600 0.425 45° 0.385 0.330 1.100 0.060R 0.400 0.860 0.004 0.077 0.040 0.175 1.340 0.064R Tol. 0.020 0.005 5° 0.005 0.005 0.005 0.005 0.006 0.009 0.001 0.005 0.005 0.015 0.005 0.005 • LOW Crss • HIGH GAIN – 15 dB MINIMUM APPLICATIONS • HF/VHF/UHF COMMUNICATIONS from 1 MHz to 500 MHz Power Dissipation Drain – Source Breakdown Voltage * Gate – Source Breakdown Voltage * Drain Current * Storage Temperature Maximum Operating Junction Temperature 500W (290W -A Version) 125V ±20V 9A –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. Website: http://www.semelab.co.uk E-mail: [email protected] Document Number 6470 Issue 3 DMD5012 DMD5012-A ELECTRICAL CHARACTERISTICS (Tcase = 25°C unless otherwise stated) Parameter Test Conditions Min. Typ. Max. Unit PER SIDE BVDSS Drain–Source V VGS = 0 ID = 100mA VDS = 50V VGS = 0 3 mA VGS = 20V VDS = 0 1 μA VGS(th) Gate Threshold Voltage* ID = 10mA VDS = VGS 7 V gfs Forward Transconductance* VDS = 10V ID = 3A GPS Common Source Power Gain PO = 100W η Drain Efficiency VDS = 50V VSWR Load Mismatch Tolerance f = 500MHz IDSS IGSS Breakdown Voltage Zero Gate Voltage Drain Current Gate Leakage Current 125 1 2.4 S 15 dB 65 % 20:1 — TOTAL DEVICE IDQ = 1.2A PER SIDE Ciss Input Capacitance VDS = 50V VGS = –5V f = 1MHz 100 pF Coss Output Capacitance VDS = 50V VGS = 0 f = 1MHz 45 pF Crss Reverse Transfer Capacitance VDS = 50V VGS = 0 f = 1MHz 1.5 pF * Pulse Test: Pulse Duration = 300 μs , Duty Cycle ≤ 2% THERMAL DATA RTHj–case Thermal Resistance Junction – Case Max. 0.35°C / W 0.6°C / W -A Version 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 6470 Issue 3 DMD5012 DMD5012-A 19 120 18 100 90 80 17 60 Power Added Efficiency Pout Gain 60 16 dB 15 14 13 W Vds = 50V Idq = 1.2A f =500MHz 20 0 0 20 40 60 80 100 120 % Vds = 50V Idq = 1.2A f =500MHz 40 0 0.25 0.5 0.75 1 1.25 1.5 1.75 Pin W Pout W 30 2 0 2.25 Output Power Power Added Efficiency Figure 2 - Power Output & Efficiency vs. Power Input. Figure 1 - Gain vs. Power Output. 0 DMD5012 -10 OPTIMUM SOURCE AND LOAD IMPEDANCE -20 IMD3 dBc -30 f1 = 500.0 MHz f2 = 499.9 MHz Vds = 50V Idq = 1.2A -40 -50 -60 0 20 40 60 80 100 Frequency MHz ZS Ω ZL Ω 500 1.6 + j2.3 3.5 + j2.1 N.B. Impedances measured terminal to terminal 120 Pout W PEP Figure 3 - IMD vs. Output Power. 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 6470 Issue 3 DMD5012 DMD5012-A 9.00 8.00 7.00 Vg=12 V Vg=10 V Vg=8V Vg=6 V Vg=4V 6.00 5.00 IDS (A) 4.00 3.00 2.00 1.00 0.00 0.00 10.00 20.00 30.00 40.00 50.00 VDS (V) Figure 4 – Typical IV Characteristics. Capacitance pF 1000 100 Coss, pF Ciss, pF 10 Crss, pF 1 0 5 10 15 20 25 30 35 40 45 50 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 6470 Issue 3 DMD5012 DMD5012-A 15 +50V 1k Gate-Bias 100uF 100nF L2 1nF L1 1K T1 22K 620pF 100nF 8 x 3 mm contact pad 8 x 3mm contact pad DMD5012 2-18pF T4 T2 620pF 15pF 1-14pF 1-14pF 20pF T6 1-10pF 620pF T3 T5 620pF 8 x 3mm contact pad DMD5012 8 x 3 mm contact pad DMD5012 500MHz TEST FIXTURE T1,6 T2,3,4,5 L1 L2 65mm 75mm 6 turns 8.5 turns 50 15 21 19 Ohm UT85 semi-rigid coax Ohm UT85-15 semi-rigid coax swg enamelled copper wire, 3mm i.d. swg enamelled copper wire on Fair-Rite FT82-43 core 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 6470 Issue 3