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DMD1028-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
DMD1028-A
型号： DMD1028-A
厂家： SEME LAB    SEME LAB
描述：

ROHS COMPLIANT METAL GATE RF SILICON FET
符合ROHS指令的金属闸极射频硅场效应管

射频
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
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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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