TetraFET D1207UK ROHS COMPLIANT METAL GATE RF SILICON FET MECHANICAL DATA GOLD METALLISED MULTI-PURPOSE SILICON DMOS RF FET 20W – 12.5V – 400MHz PUSH–PULL B H C G 2 3 1 A D E 5 4 F FEATURES I • SIMPLIFIED AMPLIFIER DESIGN N M J O K • SUITABLE FOR BROAD BAND APPLICATIONS DQ PIN 1 PIN 3 PIN 5 SOURCE (COMMON) PIN 2 DRAIN 2 PIN 4 GATE 1 DRAIN 1 GATE 2 • VERY LOW Crss • SIMPLE BIAS CIRCUITS • LOW NOISE DIM mm A 16.38 B 1.52 C 45° D 6.35 E 3.30 F 14.22 G 1.27 x 45° H 1.52 I 6.35 J 0.13 K 2.16 M 1.52 N 5.08 O 18.90 Tol. 0.26 0.13 5° 0.13 0.13 0.13 0.13 0.13 0.13 0.02 0.13 0.13 MAX 0.13 Inches 0.645 0.060 45° 0.250 0.130 0.560 0.05 x 45° 0.060 0.250 0.005 0.085 0.060 0.200 0.744 Tol. 0.010 0.005 5° 0.005 0.005 0.005 0.005 0.005 0.005 0.001 0.005 0.005 MAX 0.005 • HIGH GAIN – 10 dB MINIMUM APPLICATIONS • HF/VHF/UHF COMMUNICATIONS from 1 MHz to 500 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 100W 40V ±20V 10A –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 3171 Issue 3 D1207UK ELECTRICAL CHARACTERISTICS (Tcase = 25°C unless otherwise stated) Parameter Test Conditions Min. Typ. Max. Unit PER SIDE BVDSS IDSS Drain–Source Breakdown Voltage Zero Gate Voltage Drain Current V VGS = 0 ID = 10mA VDS = 12.5V VGS = 0 1 mA 1 μA 7 V IGSS Gate Leakage Current VGS = 20V VDS = 0 VGS(th) Gate Threshold Voltage* ID = 10mA VDS = VGS gfs Forward Transconductance* VDS = 10V ID = 1A GPS Common Source Power Gain PO = 20W η Drain Efficiency VDS = 12.5V VSWR Load Mismatch Tolerance f = 400MHz Ciss Input Capacitance VDS = 0 Coss Output Capacitance VDS = 12.5V VGS = 0 Crss Reverse Transfer Capacitance VDS = 12.5V VGS = 0 40 1 0.8 S 10 dB 50 % 20:1 — TOTAL DEVICE IDQ = 0.8A PER SIDE * Pulse Test: 60 pF f = 1MHz 40 pF f = 1MHz 4 pF VGS = –5V f = 1MHz 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. Website: http://www.semelab.co.uk E-mail: [email protected] Document Number 3171 Issue 3 D1207UK Pout 30 14 25 13 20 12 15 11 W f = 400MHz Idq = 0.8A Vds = 12.5V 10 5 0 0 0.5 1 1.5 2 Pin W 30 60 25 50 Pout 20 40 Drain Efficiency dB W 15 30 % f = 400MHz Idq = 0.8A Vds = 12.5V 10 5 9 3 70 Gain 10 2.5 35 0 8 0 0.5 1 1.5 Pin W Pout Gain 2 2.5 20 10 3 0 Pout Drain Efficiency Figure 2 - Efficiency vs Power Output Figure 1- Gain vs. Power Output -10 -20 -30 IMD dBc -40 f1 = 400MHz f2 = 400.1MHz Idq= 0.8A Vds = 12.5V -50 -60 -70 0 10 20 30 Pout W PEP 40 IMD3 IMD5 50 Figure 3 - IMD vs Power Output 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 3171 Issue 3 D1207UK 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: [email protected] Document Number 3171 Issue 3 D1207UK +12.5v 2.7K 10K Gate-Bias 10 8 x 3 mm contact pad 10K T2 8 x 3mm contact pad 1nF 100nF 100uF L1 100nF 560pF 47pF T4 D1207UK 2-18pF 1nF 100nF L2 T1 2-18pF 2-18pF 2-18pF T6 D1207UK 47pF T3 8 x 3mm contact pad T5 560pF 8 x 3 mm contact pad D1207UK TEST FIXTURE T1 50 Ohm semi-rigid coax 0.034" dia, 7cm long T2,3 25 Ohm semi-rigid coax 0.034" dia, 10cm long on Siemens B62152A1X1 ferrite core 25 Ohm semi-rigid coax 0.034" dia, 10cm long T4,5 T6 L1 L2 50 Ohm semi-rigid coax 0.034" dia, 7cm long 2.5 turns 1mm dia enamelled copper wire on Siemens B62152A1X1 ferrite core 6 turns 2 mm dia enamelled copper wire, 3.5mm internal diameter 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 3171 Issue 3