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Seme LAB
Seme LAB

D1028 Datasheet Preview

D1028 Datasheet

METAL GATE RF SILICON FET

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D1028 pdf
TetraFET
D1028UK
MECHANICAL DATA
C
(2 pls)
HD
1
B
2
3
54
E
(4 pls)
F
I
G
(typ)
P
(2 pls) A
PIN 1
PIN 3
PIN 5
NM
O
DR
SOURCE (COMMON)
DRAIN 2
GATE 1
JK
PIN 2
PIN 4
DRAIN 1
GATE 2
DIM Millimetres Tol.
A 19.05 0.50
B 10.77 0.13
C 45°
D 9.78 0.13
E 5.71 0.13
F 27.94 0.13
G 1.52R 0.13
H 10.16 0.13
I 22.22 MAX
J 0.13 0.02
K 2.72 0.13
M 1.70 0.13
N 5.08 0.50
O 34.03 0.13
P 1.57R 0.08
Inches
0.75
0.424
45°
0.385
0.225
1.100
0.060R
0.400
0.875
0.005
0.107
0.067
0.200
1.340
0.062R
Tol.
0.020
0.005
0.005
0.005
0.005
0.005
0.005
MAX
0.001
0.005
0.005
0.020
0.005
0.003
METAL GATE RF SILICON FET
GOLD METALLISED
MULTI-PURPOSE SILICON
DMOS RF FET
300W – 28V – 175MHz
PUSH–PULL
FEATURES
• SIMPLIFIED AMPLIFIER DESIGN
• SUITABLE FOR BROAD BAND APPLICATIONS
• LOW Crss
• SIMPLE BIAS CIRCUITS
• LOW NOISE
• HIGH GAIN – 13 dB MINIMUM
APPLICATIONS
VHF/UHF COMMUNICATIONS
from 1 MHz to 200 MHz
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated)
PD Power Dissipation
438W
BVDSS
Drain – Source Breakdown Voltage
70V
BVGSS
Gate – Source Breakdown Voltage
±20V
ID(sat)
Drain Current
30A
Tstg Storage Temperature
–65 to 150°C
Tj Maximum Operating Junction Temperature
200°C
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
01/01




Seme LAB
Seme LAB

D1028 Datasheet Preview

D1028 Datasheet

METAL GATE RF SILICON FET

No Preview Available !

D1028 pdf
D1028UK
ELECTRICAL CHARACTERISTICS (Tcase = 25°C unless otherwise stated)
Parameter
Test Conditions
Min.
BVDSS
DrainSource Breakdown
Voltage
IDSS
Zero Gate Voltage
Drain Current
IGSS
Gate Leakage Current
VGS(th) Gate Threshold Voltage*
gfs Forward Transconductance*
Gate Threshold Voltage
VGS(th)match Matching Between Sides
PER SIDE
VGS = 0
ID = 100mA
VDS = 28V
VGS = 20V
ID = 10mA
VDS = 10V
ID = 10mA
VGS = 0
VDS = 0
VDS = VGS
ID = 6A
VDS = VGS
70
1
4.8
GPS
h
VSWR
Common Source Power Gain
Drain Efficiency
Load Mismatch Tolerance
TOTAL DEVICE
PO = 300W
VDS = 28V
IDQ = 2A
f = 175MHz
13
60
20:1
Ciss
Coss
Crss
Input Capacitance
VDS = 28V
Output Capacitance
VDS = 28V
Reverse Transfer Capacitance VDS = 28V
PER SIDE
VGS = 5V
VGS = 0
VGS = 0
f = 1MHz
f = 1MHz
f = 1MHz
* Pulse Test: Pulse Duration = 300 ms , Duty Cycle £ 2%
Typ.
Max. Unit
V
6 mA
1 mA
7V
mhos
0.1 V
dB
%
360 pF
180 pF
15 pF
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
RTHjcase
Thermal Resistance Junction Case
Max. 0.4°C / W
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
01/01




Seme LAB
Seme LAB

D1028 Datasheet Preview

D1028 Datasheet

METAL GATE RF SILICON FET

No Preview Available !

D1028 pdf
D1028UK
400 100
350 90
300 80
250
Pout
200
W
150
100
50
f = 175MHz
Idq = 2A
Vds = 28V
70
Drain Efficiency
60
%
50
40
30
0 20
0 2 4 6 8 10 12 14 16 18 20
Pin W
Pout
Drain Efficiency
Figure 1 Power Output and Efficiency
vs. Power Input.
400 20
350
300 18
250
Pout
200
W
150
f = 175MHz
Idq = 2A
Vds = 28V
Gain
16
dB
100 14
50
0 12
0 2 4 6 8 10 12 14 16 18 20
Pin W
Pout
Gain
2nd harmonic = -28dBc
3rd harmonic = -40dBc
output at 350W
Figure 2 Power Output & Gain
vs. Power Input.
400 100
350 90
300 80
250
Pout
200
W
150
70
Drain Efficiency
60
%
50
100 40
50 30
0 20
0 2 4 6 8 10 12 14 16 18 20
Pin W
Pout
Drain Efficiency
f1 = 175.0 MHz
f2 = 175.1 MHz
VDS = 28V
Figure 3 IMD vs. Output Power.
-20 18.5
-30
IMD
dBc
-40
17.5
Gain
dB
16.5
-50
0
0.5
IMD3
IMD5
Gain
1 1.5
Idq A
15.5
2 2.5
f1 = 175.0MHz
f2 = 175.1MHz
Pout = 130W PEP
Vds = 28V
Figure 4 IMD & Gain vs. Idq
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk
01/01




Part Number D1028
Description METAL GATE RF SILICON FET
Maker Seme LAB
Total Page 7 Pages
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