DMD1028 [SEME-LAB]
ROHS COMPLIANT METAL GATE RF SILICON FET; 符合ROHS指令的金属闸极射频硅场效应管
| 型号： | DMD1028 |
| 厂家： | 
SEME LAB |
| 描述： | ROHS COMPLIANT METAL GATE RF SILICON FET |
| 文件： | 总5页 (文件大小：85K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TetraFET
DMD1028
DMD1028-A
ROHS COMPLIANT
METAL GATE RF SILICON FET
MECHANICAL DATA
GOLD METALLISED
MULTI-PURPOSE SILICON
DMOS RF FET
B
G
(typ)
C
2 pls)
(
2
5
3
4
1
P
(
2 pls)
A
H
D
300W – 28V – 175MHz
PUSH–PULL
E
4 pls)
(
F
I
FEATURES
• SUITABLE FOR BROAD BAND APPLICATIONS
• SIMPLE BIAS CIRCUITS
• ULTRA-LOW THERMAL RESISTANCE
• BeO FREE
N
M
O
D1
J
K
PIN 1
PIN 3
PIN 5
SOURCE (COMMON)
PIN 2
PIN 4
DRAIN 1
GATE 2
DRAIN 2
GATE 1
DIM Millimetres Tol.
Inches
0.600
0.425
45°
Tol.
• LOW Crss
A
B
C
D
E
F
15.24
10.80
45°
9.78
8.38
27.94
1.52R
10.16
21.84
0.10
0.50
0.13
5°
0.020
0.005
5°
• HIGH GAIN – 16 dB MINIMUM
0.13
0.13
0.13
0.13
0.15
0.23
0.02
0.13
0.13
0.38
0.13
0.13
0.385
0.330
1.100
0.060R
0.400
0.860
0.004
0.077
0.040
0.175
1.340
0.064R
0.005
0.005
0.005
0.005
0.006
0.009
0.001
0.005
0.005
0.015
0.005
0.005
APPLICATIONS
G
H
I
• VHF/UHF COMMUNICATIONS
from 1 MHz to 400 MHz
J
K
M
N
O
P
1.96
1.02
4.45
34.04
1.63R
P
Power Dissipation
875W (438W -A Version)
D
BV
BV
Drain – Source Breakdown Voltage *
Gate – Source Breakdown Voltage*
Drain Current*
70V
±20V
DSS
GSS
I
30A
D(sat)
T
T
Storage Temperature
–65 to 150°C
200°C
stg
Maximum Operating Junction Temperature
j
* 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.
Document Number 6509
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk
Issue 3
DMD1028
DMD1028-A
ELECTRICAL CHARACTERISTICS (T
= 25°C unless otherwise stated)
Test Conditions
PER SIDE
case
Parameter
Min.
Typ.
Max. Unit
Drain–Source Breakdown
BV
V
= 0
I = 100mA
70
V
DSS
GS
D
Voltage
Zero Gate Voltage
I
V
V
= 28V
= 20V
V
= 0
6
mA
DSS
DS
GS
Drain Current
I
Gate Leakage Current
V
V
= 0
= V
1
7
μA
V
GSS
GS
DS
DS
V
g
Gate Threshold Voltage*
Forward Transconductance*
Gate Threshold Voltage
I = 10mA
1
GS(th)
D
GS
GS
V
= 10V
I = 6A
4.8
mhos
fs
DS
D
V
I = 10mA
V = V
DS
0.1
V
GS(th)match
D
Matching Between Sides
TOTAL DEVICE
G
Common Source Power Gain
Drain Efficiency
P
V
= 300W
16
60
dB
%
PS
O
η
= 28V
I
= 2A
DS
DQ
VSWR
Load Mismatch Tolerance
f = 175MHz
20:1
—
PER SIDE
C
Input Capacitance
Output Capacitance
V
V
= 28V
= 28V
= 28V
V
V
V
= –5V f = 1MHz
360
180
15
pF
pF
pF
iss
DS
DS
DS
GS
GS
GS
C
= 0
= 0
f = 1MHz
f = 1MHz
oss
C
Reverse Transfer Capacitance V
rss
* Pulse Test:
Pulse Duration = 300 μs , Duty Cycle ≤ 2%
THERMAL DATA
R
Thermal Resistance Junction – Case
Max. 0.2°C / W
0.4 °C / W -A Version
THj–case
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.
Document Number 6509
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk
Issue 3
DMD1028
DMD1028-A
90
80
70
60
50
40
30
20
10
0
25
20
15
10
5
Gain
dB
Vds = 28V
Idq = 2A
f =175MHz
Vds = 28V
Idq = 2A
f =175MHz
0
0
50
100
150
200
W
250
300
350
0
50
100
150
200
W
250
300
350
P
out
Gain (dB)
P
out
Efficiency (%)
Figure 1 – Gain vs. Power Output.
Figure 2 – Efficiency vs. Power Output.
-10
-20
-30
-40
-50
-60
IMD3
dBc
f
f
V
= 175 MHz
= 175.1 MHz
= 28V
1
2
ds
I
= 2A
dq
0
50
100
150
200
250
300
350
IMD3 (dBc)
P
W PEP
out
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.
Document Number 6509
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk
Issue 3
DMD1028
DMD1028-A
40
35
30
25
Vg=13 V
Vg=12 V
Vg=11 V
Vg=10 V
Vg=9V
IDS (A)
Vg=8 V
Vg=7 V
Vg=6 V
Vg=5 V
20
15
10
5
0
0.00
5.00
10.00
15.00
20.00
25.00
30.00
35.00
VDS (V)
Figure 4 – Typical IV Characteristics.
1000
100
10
Output capacitance
Input Capacitance
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.
Document Number 6509
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk
Issue 3
DMD1028
DMD1028-A
L2
10k
100n
28V
Gate-Bias
12
1n
1n
T4
1000u
100n
1n
100k
L1
DMD1028
T2
680pF
T6
1u
T1
2-18 pF
90pF
47pF
2-18 pF
680pF
1u
T5
T3
DMD1028
DMD1028 175MHz TEST FIXTURE
Substrate 1.6mm PTFE/glass, Er=2.5
All microstrip lines W=4.4mm
T1,2,3 7cm Storm Products EXE18 19/30 S1TW coaxial cable on Siemens
B62152A1X1 2-hole core.
T4,5
T6
14cm Storm Products EXE18 19/30 S1TW coaxial cable.
11cm Storm Products EXE18 19/30 S1TW coaxial cable
6 turns 1.2mm dia wire, 5mm internal diameter
L1
L2
1.5 turns 0.9mm dia wire on Siemens A1 x 1 2 hole core
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.
Document Number 6509
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk
Issue 3
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