AP602-PCB1960 データシートの表示（PDF） - WJ Communications => Triquint
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AP602-PCB1960 Datasheet PDF : 11 Pages
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AP602
High Dynamic Range 4W 28V HBT Amplifier
2110-2170 MHz Application Note: Changing Icq Biasing Configurations
The AP602 can be configured to operate with lower bias current by varying the bias-adjust resistor – R2. The recommended
circuit configurations shown previously in this datasheet have the device operating with a 80 mA as the quiescent current (ICQ).
This biasing level represents the best tradeoff in terms of linearity and efficiency. Lowering ICQ will improve upon the
efficiency of the device, but degraded linearity. Increasing ICQ has nominal improvement upon the linearity, but will degrade
the device’s efficiency. Measured data shown in the plots below represents the AP602 measured and configured for 2.14 GHz
applications. It is expected that variation of the bias current for other frequency applications will produce similar performance
results.
Icq
R2 VPD PIN_VPD
(mA) (ohms) (V) (V)
20 6.00k 5
2.53
40 2.76k 5
2.61
60 1.80k 5
2.67
Thermal Rise vs. Output Power vs. Icq
Vcc = 28V
80
20 mA
40 mA
60
60 mA
80 mA
40
100 mA
80 1.33k 5
2.73
100 1.05k 5
2.79
120 859 5
2.84
140 723 5
2.89
120 mA
20
140 mA
160 mA
0
17
19
21
23
25
27
29
Output Power (dBm)
See note 4
C22
0.5 pF
See note 5
160 621 5
2.94
1000 pF C7
100pF
See note 3
W = .030”
L = .980”
See note 6
ACLR1 vs. Output Power vs. Icq
WCDMA, Vcc = 28V, 2140 MHz, 25 ˚C
-35
-40
-45
-50
-55
-60
-65
19
20 mA
100 mA
40 mA
120 mA
60 mA
140 mA
80 mA
160 mA
21
23
25
27
29
Average Output Power (dBm)
Gain vs. Output Power vs. Icq
CW tone, Vcc = 28V, 2140 MHz, 25 ˚C
16
20 mA
40 mA
60 mA
80 mA
15
100 mA
120 mA
140 mA
160 mA
14
13
12
11
20
24
28
32
36
Output Power (dBm)
OIP3 vs. Output Power vs. Icq
CW 2-tone signal, 2140 MHz, ∆f = 1 MHz, Vcc = 28V, 25 ˚C
55
50
45
40
35
30
24
20 mA
60 mA
100 mA
140 mA
40 mA
80 mA
120 mA
160 mA
26
28
30
32
34
Output Power, PEP (dBm)
Icc vs. Output Power vs. Icq
WCDMA, Vcc = 28V, 2140 MHz, 25 ˚C
200
150
100
50
0
19
20 mA
100 mA
40 mA
120 mA
60 mA
140 mA
80 mA
160 mA
21
23
25
27
29
Average Output Power (dBm)
Output Power vs. Input Power vs. Icq
CW tone, Vcc = 28V, 2140 MHz, 25 ˚C
36
20 mA
40 mA
60 mA
80 mA
32
100 mA 120 mA
140 mA 160 mA
28
24
20
8
-30
12
16
20
24
Input Power (dBm)
IMD3 vs. Output Power vs. Icq
CW 2-tone signal, 2140 MHz, ∆f = 1 MHz, Vcc = 28V, 25 ˚C
-40
-50
-60
-70
-80
24
20 mA
100 mA
40 mA
120 mA
60 mA
140 mA
80 mA
160 mA
26
28
30
32
34
Output Power, PEP (dBm)
Efficiency vs. Output Power vs. Icq
WCDMA, Vcc = 28V, 2140 MHz, 25 ˚C
30
20 mA
40 mA
25
60 mA
80 mA
100 mA 120 mA
20
140 mA 160 mA
15
10
5
0
19
21
23
25
27
29
Average Output Power (dBm)
Efficiency vs. Output Power vs. Icq
CW tone, Vcc = 28V, 2140 MHz, 25 ˚C
50
20 mA 40 mA
40
60 mA
80 mA
100 mA 120 mA
30
140 mA 160 mA
20
10
0
20
24
28
32
36
Output Power (dBm)
IMD5 vs. Output Power vs. Icq
CW 2-tone signal, 2140 MHz, ∆f = 1 MHz, Vcc = 28V, 25 ˚C
-30
20 mA 40 mA 60 mA 80 mA
-40
100 mA 120 mA 140 mA 160 mA
-50
-60
-70
-80
24
26
28
30
32
34
Output Power, PEP (dBm)
Specifications and information are subject to change without notice
WJ Communications, Inc • Phone 1-800-WJ1-4401 • FAX: 408-577-6621 • e-mail: sales@wj.com • Web site: www.wj.com
Page 9 of 11 May 2007 ver 1
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