D1034UK
125
100
75
50
25
0
100
80
60
40
20
0
125
100
75
50
25
0
17
15
f
= 400.0MHz
1
I
= 0.4A
dq
13
P
P
Drain
Efficiency
%
Gain
out
out
V
= 28V
DS
dB
11
W
W
f
= 400MHz
= 0.4A
1
I
dq
V
= 28V
DS
9
7
0
4
8
12
16
20
0
4
8
12
16
20
Pout
Drain Efficiency
Pout
Gain
P
W
P
W
in
in
Figure 1 – Power Output and Efficiency
vs. Power Input.
Figure 2 – Power Output & Gain
vs. Power Input.
-15
-20
-25
D1034UK
OPTIMUM SOURCE AND LOAD IMPEDANCE
IMD3
-30
dBc
-35
f
f
= 400.0MHz
= 400.1MHz
= 28V
1
Frequency
MHz
Z
Ω
Z
L
Ω
S
2
-40
-45
-50
V
DS
DQ
I
= 0.8A
400
1.5 + j0.2 5.0 + j2.0
0
20
40
60
80
P
W PEP
out
Figure 3 – IMD vs. Output Power.
Typical S Parameters
!
Vds=28V, Idq=1A
#
MHz
S MA R 50
!Freq
MHz
S11
mag
S21
mag
S12
mag
S22
mag
ang
ang
ang
ang
100
200
300
400
500
600
700
800
900
1000
0.794 -158 14.622
0.881 -167 5.821
69 0.0115
42 0.0061
28 0.0068
18 0.117
15 0.0168
13 0.0234
10 0.0285
-7
3
0.61
0.794 -156
-145
0.923 -171
0.923 -176
3.02
1.82
60 0.871 -162
77 0.902 -167
76 0.923 -169
75 0.945 -171
74 0.966 -174
69 0.955 -177
0.937 -179 1.439
0.952
0.966
0.966
0.977
0.966
177 1.057
174 0.676
171 0.543
167 0.447
165 0.359
5
1
1
0.0335
0.0394
0.0432
64 0.966
64 0.955
178
178
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 5387
Issue 2
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