D1028 Seme LAB, D1028 Datasheet - Page 3

• Manufacturer Part Number: D1028
• Description: METAL GATE RF SILICON FET
• Manufacturer: Seme LAB

Semelab plc.
P out
W
P out
W
Figure 1 – Power Output and Efficiency
400
350
300
250
200
150
100
50
400
350
300
250
200
150
100
0
50
0
0
0
Figure 3 – IMD vs. Output Power.
2
2
4
4
Telephone [phone]. Fax [phone].
E-mail:
6
vs. Power Input.
6
8
8
Pout
Drain Efficiency
Pout
Drain Efficiency
P in W
P in W
[e-mail]
10
10
12
12
14
14
V
I
dq
ds
f = 175MHz
= 2A
= 28V
16
16
V
DS
f
f
1
2
= 175.0 MHz
= 175.1 MHz
= 28V
18
18
20
20
100
90
80
70
60
50
40
30
20
100
90
80
70
60
50
40
30
20
Drain Efficiency
%
Drain Efficiency
%
Website:
http://www.semelab.co.uk
P out
W
IMD
dBc
400
350
300
250
200
150
100
Figure 2 – Power Output & Gain
50
-20
-30
-40
-50
0
Figure 4 – IMD & Gain vs. I
0
0
2
0.5
4
vs. Power Input.
Pout
Gain
IMD3
IMD5
Gain
6
1
8
P in W
I dq A
10
1.5
12
2nd harmonic = -28dBc
3rd harmonic = -40dBc
output at 350W
V
14
I
P
dq
ds
V
out
D1028UK
f = 175MHz
ds
f
f
= 2A
= 28V
1
2
= 175.0MHz
= 175.1MHz
= 130W PEP
= 28V
2
16
18
dq
2.5
20
18.5
18.5
17.5
17.5
16.5
16.5
15.5
15.5
20
18
16
14
12
12
Gain
dB
Gain
dB
01/01