TetraFET D1211UK ROHS COMPLIANT METAL GATE RF SILICON FET MECHANICAL DATA A D N 8 1 7 2 6 3 5 4 C B P H GOLD METALLISED MULTI-PURPOSE SILICON DMOS RF FET 10W - 12.5V - 500MHz SINGLE ENDED K M L J FEATURES E F G * SIMPLIFIED AMPLIFIER DESIGN SO8 PACKAGE PIN 1 - SOURCE PIN 2 - DRAIN PIN 3 - DRAIN PIN 4 - SOURCE Dim. A B C D E F G mm 4.06 5.08 1.27 0.51 3.56 4.06 1.65 H 0.76 J K L M N P 0.51 1.02 45 0 7 0.20 2.18 4.57 PIN 5 - SOURCE PIN 6 - GATE PIN 7 - GATE PIN 8 - SOURCE Tol. 0.08 0.08 0.08 0.08 0.08 0.08 0.08 +0.25 -0.00 Min. Max. Max. Min. Max. 0.08 Max. 0.08 Inches 0.160 0.200 0.050 0.020 0.140 0.160 0.065 0.030 0.020 0.040 45 0 7 0.008 0.086 0.180 Tol. 0.003 0.003 0.003 0.003 0.003 0.003 0.003 +0.010 -0.000 Min. Max. Max. Min. Max. 0.003 Max. 0.003 * SUITABLE FOR BROAD BAND APPLICATIONS * VERY LOW Crss * SIMPLE BIAS CIRCUITS * LOW NOISE * HIGH GAIN - 10 dB MINIMUM APPLICATIONS * HF/VHF/UHF COMMUNICATIONS from 1 MHz to 1 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 30W 40V 20V 10A -65 to 150C 200C 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: sales@semelab.co.uk Document Number 3172 Issue 2 D1211UK ELECTRICAL CHARACTERISTICS (Tcase = 25C unless otherwise stated) Parameter Test Conditions Min. Drain-Source Typ. Max. Unit VGS = 0 ID = 10mA VDS = 12.5V VGS = 0 1 mA VGS = 20V VDS = 0 1 A VGS(th) Gate Threshold Voltage* ID = 10mA VDS = VGS 7 V gfs Forward Transconductance* VDS = 10V ID = 1A GPS Common Source Power Gain PO = 10W Drain Efficiency VDS = 12.5V VSWR Load Mismatch Tolerance f = 500MHz BVDSS IDSS IGSS Breakdown Voltage Zero Gate Voltage Drain Current Gate Leakage Current IDQ = 0.4A Ciss Input Capacitance VDS = 0V Coss Output Capacitance VDS = 12.5V VGS = 0 Crss Reverse Transfer Capacitance VDS = 12.5V VGS = 0 * Pulse Test: VGS = -5V f = 1MHz 40 1 V 0.8 S 10 dB 50 % 20:1 -- 60 pF f = 1MHz 40 pF f = 1MHz 4 pF Pulse Duration = 300 s , Duty Cycle 2% THERMAL DATA RTHj-case Thermal Resistance Junction - Case Max. 6C / 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: sales@semelab.co.uk Document Number 3172 Issue 2 D1211UK 80 12 70 10 60 Efficiency % Gain dB 14 8 6 Vds = 12.5V Idq = 0.2A f =500MHz 4 40 Vds = 12.5V Idq = 0.2A f =500MHz 30 20 2 0 50 10 0 2 4 6 8 10 Pout W 12 14 0 0 2 Gain 4 6 8 Pout W Figure 1 - Gain vs. Power Output. 10 12 14 Efficiency Figure 2 - Efficiency vs. Power Output. 0 -10 IMD3 -20 dBc f1 = 500.0 MHz f2 = 499.9 MHz Vds = 12.5V Idq = 0.2A -30 -40 -50 0 2 4 6 8 10 Pout W PEP 12 14 16 IMD3 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: sales@semelab.co.uk Document Number 3172 Issue 2 D1211UK 12 11 10 9 Vg=20V Vg=18 V Vg=16 V Vg=14 V Vg=12 V Vg=10 V Vg=8V Vg=6 V IDS (A) 8 7 6 5 4 3 2 1 0 0.00 5.00 10.00 15.00 20.00 25.00 30.00 VDS (V) Figure 4 - Typical IV Characteristics. Capacitance pF 100 Coss, pF 10 Ciss, pF Crss, pF 1 0 3 6 Vds V 9 12 15 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: sales@semelab.co.uk Document Number 3172 Issue 2 D1211UK +12.5V Gate-Bias 22 10pF L2 47K L1 D1211UK 3.3K T4 30pF T1 1-3.5pF T2 100uF 1000pF 1000pF T3 T5 T6 L3 T7 30pF 2-18pF 2-18pF D1211UK 500MHz TEST FIXTURE Substrate 0.8mm PTFE/glass, Er=2.5 All microstrip lines W=1.5mm T1 6mm T2 35mm T3 16mm T4 11mm T5 7mm T6 7mm T7 23mm L1 6 turns 0.5mm dia enamelled copper wire, 4mm i.d. L2 1.5 turns 0.5mm enamelled copper wire on 2 hole ferrite core L3 1/16" dia wire hairpin loop 15mm long 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: sales@semelab.co.uk Document Number 3172 Issue 2