AP603-PCB1960 データシートの表示（PDF） - WJ Communications => Triquint
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AP603-PCB1960 Datasheet PDF : 14 Pages
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AP603
High Dynamic Range 7W 28V HBT Amplifier
1930-1990 MHz Application Note: Changing Icq Biasing Configurations
The AP603 can be configured to be operated 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 160 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 AP603 measured and
configured for 1.96 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) (Ω) (V) (V)
20 4.32k 5
2.46
40 2.33k 5
2.52
80 1.24k 5
2.61
120 852 5
2.68
160 649 5
2.74
200 521 5
2.80
260 398 5
2.89
320 313 5
2.98
Thermal Rise vs. Output Power vs. Icq
Vcc = 28V
100
20 mA
80
40 mA
80 mA
60
120 mA
40
160 mA
200 mA
20
260 mA
320 mA
0
18 20 22 24 26 28 30 32
Output Power (dBm)
C7
1000pF
100pF
L3
4.7 nH
C5
3.3pF
W = .030”
L = 1.035”
C28
3.3pF
100pF
C29
1.2pF
-35
-40
-45
-50
-55
-60
-65
22
14
ACLR1 vs. Output Power vs. Icq
WCDMA, Vcc = 28V, 1960 MHz, 25 ˚C
20 mA
80 mA
160 mA
260 mA
40 mA
120 mA
200 mA
320 mA
24
26
28
30
32
Average Output Power (dBm)
Gain vs. Output Power vs. Icq
CW tone, Vcc = 28V, 1960 MHz, 25 ˚C
13
12
11
10
9
22
20 mA
160 mA
40 mA
200 mA
80 mA
260 mA
26
30
34
Output Power (dBm)
120 mA
320 mA
38
OIP3 vs. Output Power vs. Icq
CW Two-tone signal, 1960 MHz, ∆f = 1 MHz, Vcc = 28V, 25 ˚C
55
50
45
40
35
30
26
20 mA
160 mA
40 mA
200 mA
80 mA
260 mA
120 mA
320 mA
28
30
32
34
36
Output Power, PEP (dBm)
Icc vs. Output Power vs. Icq
WCDMA, Vcc = 28V, 1960 MHz, 25 ˚C
400
300
200
100
0
22
20 mA
80 mA
160 mA
260 mA
40 mA
120 mA
200 mA
320 mA
24
26
28
30
32
Average Output Power (dBm)
Output Power vs. Input Power vs. Icq
CW tone, Vcc = 28V, 1960 MHz, 25 ˚C
38
34
30
26
22
10
20 mA
80 mA
160 mA
260 mA
40 mA
120 mA
200 mA
320 mA
14
18
22
26
Input Power (dBm)
IMD3 vs. Output Power vs. Icq
CW Two-tone signal, 1960 MHz, ∆f = 1 MHz, Vcc = 28V, 25 ˚C
-20
20 mA
40 mA
80 mA
120 mA
160 mA 200 mA 260 mA 320 mA
-30
-40
-50
-60
26
28
30
32
34
36
Output Power, PEP (dBm)
Efficiency vs. Output Power vs. Icq
WCDMA, Vcc = 28V, 1960 MHz, 25 ˚C
25
20 mA 40 mA
20
80 mA
120 mA
160 mA 200 mA
15
260 mA 320 mA
10
5
0
22
24
26
28
30
32
Average Output Power (dBm)
Efficiency vs. Output Power vs. Icq
CW tone, Vcc = 28V, 1960 MHz, 25 ˚C
50
20 mA 40 mA
40
80 mA 120 mA
160 mA 200 mA
30
260 mA 320 mA
20
10
0
22
26
30
34
38
Output Power (dBm)
IMD5 vs. Output Power vs. Icq
CW Two-tone signal, 1960 MHz, ∆f = 1 MHz, Vcc = 28V, 25 ˚C
-20
20 mA 40 mA 80 mA 120 mA
-30
160 mA 200 mA 260 mA 320 mA
-40
-50
-60
-70
-80
26
28
30
32
34
36
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 8 of 14 May 2007 ver 1
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