AP561
Frequency (GHz)
2.5
Channel Power
+30
Power Gain
14
Input Return Loss
11
Output Return Loss 6.2
EVM
2.2
Operating Current, Icc 510
Collector Efficiency 15.8
Output P1dB
40
Quiescent Current, Icq
Vpd
Vcc
2.6
+30
13.8
11
6.9
1.4
480
16.8
39
300
+5
+12
C12
C21
R3
D2
R2
D1
R1
C6
C7
C10
C8
C11
C13
C14
C15
2.3-2.9 GHz WiMAX 8W Power Amplifier
2.5-2.7 GHz Application Circuit (AP561-PCB2500)
Typical O-FDMA Performance at 25°C
2.7 Units
+30 dBm
13.5
dB
14
dB
5.7
dB
2.1
%
490 mA
16
%
38
dBm
mA
V
V
C16
C17
C18
C28
C2,R4
C1
C20
C27
C25
C26
L3
Notes:
The primary RF microstrip line is 50
Ω.
Components shown on the silkscreen but not on the schematic are not used.
1. The edge of C23 is placed right next to C24.
2. The edge of C24 is placed at 85mil from AP561 RFout pin.
3. The edge of C25 is placed at 56mil from AP561 RFin pin.
4. The edge of C26 is placed right next to C25.
5. The edge of C27 is placed 55mil from the edge of C26.
C24
802.16-2004 O-FDMA, 64QAM-1/2, 1024-FFT, 20 symbols and 30 subchannels. 9.5 dB PAR @ 0.01%, 5 MHz Carrier BW
Gain vs. Frequency
15
14
T=25°C
-5
13
12
11
10
2.0
2.2
2.4
2.6
Frequency (GHz)
T=25°C
-10
-15
-20
S11
2.8
3.0
S22
300
3.0
Collector Current (mA)
S11, S22 (dB)
C23
2.5-2.7 GHz Application Circuit Performance Plots
Return Loss
0
T=25°C
Current vs Output Average Power vs. Frequency
600
550
500
450
400
350
2.5 GHz
20
22
2.6 GHz
2.7 GHz
30
32
T=25°C
Gain (dB)
-25
2.0
2.2
2.4
2.6
Frequency (GHz)
T=25°C
2.8
24
26
28
Output Power (dBm)
Power Gain vs Temperature
Pout = 30 dBm
Efficiency vs Output Average Power vs. Frequency
20
Collector Efficiency (%)
EVM vs. Output Average Power vs. Frequency
5
4
3
2
1
Gain (dB)
14
15
15
10
EVM (%)
13
5
2.5 GHz
0
20
22
24
26
28
Output Power (dBm)
30
32
2.6 GHz
2.7 GHz
2.5 GHz
0
20
22
2.6 GHz
2.7 GHz
30
32
12
-50
-30
-10
2.5 GHz
10
2.6 GHz
30
50
2.7 GHz
70
90
24
26
28
Output Power (dBm)
Temperature (°C )
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 , www.TriQuint.com
Page 3 of 8 May 2008
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