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  Datasheet File OCR Text:
 TetraFET
DMD1009 DMD1009-A
ROHS COMPLIANT METAL GATE RF SILICON FET
MECHANICAL DATA
C (2 pls) B G (typ)
2 1
H D
3
P (2 pls) A
5
E (4 pls)
F I
4
GOLD METALLISED MULTI-PURPOSE SILICON DMOS RF FET 150W - 28V - 500MHz PUSH-PULL
FEATURES
* SUITABLE FOR BROAD BAND APPLICATIONS
N
M
D1
PIN 2 PIN 4
O
J
K
* SIMPLE BIAS CIRCUITS * ULTRA-LOW THERMAL RESISTANCE * BeO FREE
PIN 1 PIN 3 PIN 5
SOURCE (COMMON) DRAIN 2 GATE 1
DRAIN 1 GATE 2
DIM A B C D E F G H I J K M N O P
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
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 - 12 dB MINIMUM
APPLICATIONS
* VHF/UHF COMMUNICATIONS from 1 MHz to 500 MHz
PD BVDSS BVGSS ID(sat) Tstg Tj * Per Side
Power Dissipation Drain - Source Breakdown Voltage * Gate - Source Breakdown Voltage* Drain Current* Storage Temperature Maximum Operating Junction Temperature
648W (389W -A Version) 70V 20V 20A -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 6932 Issue 2
DMD1009 DMD1009-A
ELECTRICAL CHARACTERISTICS (Tcase = 25C unless otherwise stated) Parameter Test Conditions Min.
PER SIDE
BVDSS IDSS IGSS VGS(th) gfs Drain-Source Breakdown Voltage Zero Gate Voltage Drain Current Gate Leakage Current Gate Threshold Voltage* Forward Transconductance* Gate Threshold Voltage Matching Between Sides VGS = 0 VDS = 28V VGS = 20V ID = 10mA VDS = 10V ID = 1A ID = 100mA VGS = 0 VDS = 0 VDS = VGS ID = 4A VDS = VGS 1 3.2 70
Typ.
Max. Unit
V 4 1 7 mA A V mhos 0.1 V
VGS(th)match
TOTAL DEVICE
GPS VSWR Ciss Coss Crss Common Source Power Gain Drain Efficiency Load Mismatch Tolerance Input Capacitance Output Capacitance PO = 150W VDS = 28V f = 400MHz IDQ = 2A 12 50 20:1 VGS = -5V f = 1MHz VGS = 0 VGS = 0 f = 1MHz f = 1MHz 240 100 10 dB % -- pF pF pF
PER SIDE
VDS = 28V VDS = 28V
Reverse Transfer Capacitance VDS = 28V
* Pulse Test:
Pulse Duration = 300 s , Duty Cycle 2%
THERMAL DATA
RTHj-case Thermal Resistance Junction - Case Max. 0.27C / W 0.45 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: sales@semelab.co.uk
Document Number 6932 Issue 2
DMD1009 DMD1009-A
20
80 70
15
%
Gain dB
60 50 40 30 20 10
Efficiency
10
5
Vds = 28V Idq = 2A f =400MHz
0 50 100
Pout W
Vds = 28V Idq = 2A f =400MHz
0 50 100
Pout W
0
150
Gain (dB)
200
0
150
Efficiency (%)
200
Figure 1 - Gain vs. Power Output.
Figure 2 - Efficiency vs. Power Output.
-10 -20
IMD3 -30 dBc
-40 -50 -60
f1 = 400 MHz f2 = 400.1 MHz Vds = 28V Idq = 2A
0 50 100
Pout W PEP
150
200
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: sales@semelab.co.uk
Document Number 6932 Issue 2
DMD1009 DMD1009-A
30
25
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
20
IDS (A) 15
10
5
0 0.00
5.00
10.00
15.00
VDS (V)
20.00
25.00
30.00
35.00
Figure 4 - Typical IV Characteristics.
1000
Capacitance pF
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: sales@semelab.co.uk
Document Number 6932 Issue 2
DMD1009 DMD1009-A
+28V
100nF
Gate-Bias
5.6K 100nF 5 x 5mm contact pad 5 x 5 mm contact pad 100uF
100 10nF L1
3K T2 91pF
L2 T4 DMD1009
T1 2-18pF 2-18pF T3 DMD1009 30pF
30pF
2-18pF
680pF
T5 680pF
91pF 5 x 5mm contact pad
5 x 5 mm contact pad
T6
2-18pF
DMD1009 TEST FIXTURE
Substrate 1.6mm PTFE/ glass, Er= 2.5 All microstrip lines W= 4.4mm T1 T2,3 T4,5 T6 L1 L2 12cm 7.5cm 7cm 11cm 6.5 turns 6.5 turns 50 UT85 semi-rigid coax on ferrite core 15 UT85-15 semi-rigid coax 15 UT85-15 semi-rigid coax 50 UT85 semi-rigid coax on ferrite core 25swg enamelled copper wire on Fair-Rite FT50B-43 core 25swg enamelled copper wire, 4mm 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: sales@semelab.co.uk
Document Number 6932 Issue 2


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