DMD5028-A [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： | DMD5028-A |
| 厂家： | 
SEME LAB |
| 描述： | ROHS COMPLIANT METAL GATE RF SILICON FET |
| 文件： | 总5页 (文件大小：100K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TetraFET
DMD5028
DMD5028-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 – 50V – 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.
A
B
C
D
E
F
G
H
I
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
0.50
0.13
5°
0.020
0.005
5°
• LOW Crss
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
• HIGH GAIN – 20 dB MINIMUM
APPLICATIONS
J
• VHF/UHF COMMUNICATIONS
from 1 MHz to 175 MHz
K
M
N
O
P
P
Power Dissipation
875W (438W -A Version)
D
BV
Drain – Source Breakdown Voltage *
Gate – Source Breakdown Voltage*
Drain Current*
125V
±20V
DSS
GSS
BV
I
18A
D(sat)
T
Storage Temperature
–65 to 150°C
200°C
stg
j
T
Maximum Operating Junction Temperature
* 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 6684
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk
Issue 2
DMD5028
DMD5028-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
125
V
DSS
GS
D
Voltage
Zero Gate Voltage
I
V
V
= 125V
= 20V
V
= 0
6
mA
DSS
DS
GS
Drain Current
I
Gate Leakage Current
V
V
= 0
= V
6
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 = 3A
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
20
60
dB
%
PS
O
η
= 50V
I
= 1.2A
DS
DQ
VSWR
Load Mismatch Tolerance
f = 175MHz
20:1
—
PER SIDE
C
Input Capacitance
Output Capacitance
V
V
= 50V
= 50V
= 50V
V
V
V
= –5V f = 1MHz
360
150
9
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.
Document Number 6684
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Issue 2
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk
DMD5028
DMD5028-A
70
60
50
40
30
20
10
0
25
20
15
10
5
Gain
dB
Vds = 50V
Idq = 1.2A
f =175MHz
Vds = 50V
Idq = 1.2A
f =175MHz
0
0
50
100 150 200 250 300 350 400
0
50
100 150 200 250 300 350 400
P
W
out
Gain (dB)
P
W
Efficiency (%)
out
Figure 1 – Gain vs. Power Output.
Figure 2 – Efficiency vs. Power Output.
-10
-15
-20
-25
-30
-35
-40
IMD3
dBc
f
f
V
= 175 MHz
= 175.1 MHz
1
2
= 50V
ds
I
= 1.2A
dq
0
50
100 150 200 250 300 350 400
W PEP
P
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.
Document Number 6684
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Issue 2
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk
DMD5028
DMD5028-A
18.00
16.00
14.00
12.00
10.00
8.00
Vg=12 V
Vg=10 V
Vg=8V
Vg=6 V
Vg=4V
IDS (A)
6.00
4.00
2.00
0.00
0.00
10.00
20.00
30.00
40.00
50.00
VDS (V)
Figure 4 – Typical IV Characteristics.
1000
100
10
Coss, pF
Ciss, pF
Crss, pF
1
0
10
20
30
40
50
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.
Document Number 6684
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Issue 2
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk
DMD5028
DMD5028-A
50
M1
RF out
M1
180pF
M1
0.1u
6-60pF
RF in
6-60pF
DMD5028
5000pF
L2
0.47u
L1
Gate Bias
Drain Bias
47pF
1K
1000pF
5000pF
0.1u
1nF
1nF
1.5K
DMD5028
TX1
0.1u
M1 TX2
50
DMD5028 175MHz TEST FIXTURE
TX1
TX2
L1
9:1 transformer. 3 turns of 062-25 semi-rigid coax around 75-26 powdered iron core
4:1 transformer. 2 turns of 090-25 semi-rigid coax around 100-8 powdered iron core
10 turns 16awg enamelled wire, 5mm internal diameter
L2
0.5 turns 16 awg enamelled wire on A1 x 1 2-hole core
M1
microstrip line, 20mm long, 1mm wide on 0.062in thick G10 substrate
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.
Document Number 6684
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
Issue 2
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk
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