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| TetraFET D1012UK METAL GATE RF SILICON FET MECHANICAL DATA B (4 pls) C G (typ) 2 1 A D 3 E 5 I F 4 GOLD METALLISED MULTI-PURPOSE SILICON DMOS RF FET 100W - 28V - 500MHz PUSH-PULL FEATURES * SIMPLIFIED AMPLIFIER DESIGN N M H J K * SUITABLE FOR BROAD BAND APPLICATIONS DRAIN 1 GATE 2 DH PIN 1 PIN 3 PIN 5 SOURCE (COMMON) DRAIN 2 GATE 1 DIM A B C D E F G H I J K M N mm 13.97 5.72 45 9.78 1.65R 23.75 1.52R 30.48 19.17 0.13 2.54 1.52 5.08 Tol. 0.26 0.13 5 0.13 0.13 0.13 0.13 0.13 0.26 0.02 0.13 0.13 0.50 Inches 0.550 0.225 45 0.385 0.065R 0.935 0.060R 1.200 0.755 0.005 0.100 0.060 0.200 Tol. 0.010 0.005 5 0.005 0.005 0.005 0.005 0.005 0.010 0.001 0.005 0.005 0.020 PIN 2 PIN 4 * LOW Crss * SIMPLE BIAS CIRCUITS * LOW NOISE * HIGH GAIN - 10 dB MINIMUM APPLICATIONS * HF/VHF/UHF COMMUNICATIONS from 1 MHz to 500 MHz ABSOLUTE MAXIMUM RATINGS (Tcase = 25C unless otherwise stated) PD BVDSS BVGSS ID(sat) Tstg Tj * Per Side Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. Website: http://www.semelab.co.uk E-mail: sales@semelab.co.uk Prelim. 11/99 Power Dissipation Drain - Source Breakdown Voltage * Gate - Source Breakdown Voltage * Drain Current * Storage Temperature Maximum Operating Junction Temperature 290W 70V 20V 15A -65 to 150C 200C D1012UK ELECTRICAL CHARACTERISTICS (Tcase = 25C unless otherwise stated) Parameter Test Conditions Min. PER SIDE BVDSS IDSS IGSS gfs GPS Drain-Source Breakdown Voltage Zero Gate Voltage Drain Current Gate Leakage Current Forward Transconductance* Common Source Power Gain Drain Efficiency VGS = 0 VDS = 28V VGS = 20V ID = 10mA VDS = 10V PO = 100W VDS = 28V f = 500MHz IDQ = 1.2A ID = 100mA VGS = 0 VDS = 0 VDS = VGS ID = 3A 1 2.4 10 50 20:1 VGS = -5V f = 1MHz VGS = 0 VGS = 0 f = 1MHz f = 1MHz 70 Typ. Max. Unit V 3 1 7 mA mA V S dB % -- VGS(th) Gate Threshold Voltage* TOTAL DEVICE h VSWR Load Mismatch Tolerance Ciss Coss Crss Input Capacitance Output Capacitance Reverse Transfer Capacitance PER SIDE VDS = 28V VDS = 28V VDS = 28V 180 90 7.5 pF pF pF * Pulse Test: Pulse Duration = 300 ms , 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. 0.6C / W Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. Website: http://www.semelab.co.uk E-mail: sales@semelab.co.uk Prelim. 11/99 D1012UK 140 140 120 100 P out W 80 60 40 20 0 0 f= 500M Hz Id q = 1 .2 A 10 0 70 60 50 40 30 20 % D r a in E ffic ie n c y 14 13 12 11 10 G a in dB 120 100 Pout W 80 60 40 20 0 0 2 4 6 P in W Vds = 28V 2 4 6 P in W 8 10 12 Pout D r a in E ffic ie n c y 14 f= 500M Hz Id q = 1 .2 A Vds = 28V 9 8 12 14 7 8 10 Figure 1 - Power Output and Efficiency vs. Power Input. Figure 2 - Power Output & Gain vs. Power Input. -1 5 -2 0 -2 5 IM D 3 dBc D1012UK OPTIMUM SOURCE AND LOAD IMPEDANCE Frequency MHz 500 -3 0 -3 5 -4 0 -4 5 0 ZS =5 =5 Vds = Id q = 1 20 40 60 Pout W f1 f2 00 00 28 .2 A .0 M H z .1 M H z V 120 140 W ZL W 2.0 - j2.2 2.6 - j0.6 N.B. Impedances measured terminal to terminal 80 PEP 100 Figure 3 - IMD vs. Output Power. Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. Website: http://www.semelab.co.uk E-mail: sales@semelab.co.uk Prelim. 11/99 D1012UK 15 +28V G a te - B ia s 1K 100nF 1k 100uF 100nF L2 1nF L1 8 x 3m m c o n ta c t p a d T1 620pF 22K D 1012U K 8x3mm c o n ta c t p a d 2 -1 8 p F T2 15pF 1 -1 4 p F 1 -1 4 p F 20pF T4 620pF T6 T3 T5 620pF 1 -1 0 p F 620pF 8 x 3m m c o n ta c t p a d D 1012U K 8x3mm c o n ta c t p a d D1012UK 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. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. Website: http://www.semelab.co.uk E-mail: sales@semelab.co.uk Prelim. 11/99 |
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