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 2 of 5 May 2008
AH315
3.3-3.8 GHz WiMAX 2W Driver Amplifier
Typical Device Data
S-Parameters (VCC = +5 V, ICC = 600 mA, T = 25 °C, calibrated to device leads)
01
23
45
Frequency (GHz)
Gain
0
5
10
15
20
25
30
Ga
in
(
d
B
)
DB(|S(2,1)|)
0
1.0
-1.
0
10.0
-1
0.
0
5.0
5.
0
-5
.0
2.0
2
.
0
-
2
.
0
3.0
3.
0
-3
.0
4.0
4.
0
-4
.0
0.2
0.
2
-0
.2
0.4
0
.
4
-
0
.
4
0.6
0
.
6
-
0
.
6
0.8
0
.
8
-
0
.
8
S11
Swp Max
5GHz
Swp Min
0.5GHz
S(1,1)
0
1.0
-1.
0
10.0
-1
0.
0
5.0
5.
0
-5
.0
2.0
2
.
0
-
2
.
0
3.0
3.
0
-3
.0
4.0
4.
0
-4
.0
0.2
0.
2
-0
.2
0.4
0
.
4
-
0
.
4
0.6
0
.
6
-
0
.
6
0.8
0
.
8
-
0
.
8
S22
Swp Max
5GHz
Swp Min
0.5GHz
S(2,2)
Notes:
The gain for the unmatched device in 50ohm system is shown as the trace in blue color. The impedance plots are shown from 0 – 5000 MHz, with markers
placed at 0.5-5GHz in 0.5GHz increments.
S-Parameters (VCC = +5 V, ICC = 600 mA, T = 25 °C, unmatched 50 ohm system, calibrated to device leads)
Freq ( MHz )
S11(dB)
S11(ang)
S21(dB)
S21(ang)
S12(dB)
S12(ang)
S22(dB)
S22(ang)
3200
-7.15
-47.75
24.62
-121.57
-46.71
81.59
-4.82
65.17
3250
-8.30
-67.91
25.04
-142.33
-45.76
65.79
-4.33
64.24
3300
-9.03
-85.52
25.23
-161.71
-45.35
52.08
-4.13
63.23
3350
-10.02
-100.73
25.25
179.97
-45.27
38.15
-4.18
62.35
3400
-10.60
-114.25
25.16
163.19
-45.49
25.90
-4.38
62.37
3450
-11.13
-121.9
25.05
147.33
-45.94
14.60
-4.68
63.12
3500
-11.83
-128.99
24.95
132.15
-46.35
3.68
-5.00
64.61
3550
-12.06
-133.37
24.84
117.52
-46.84
-6.51
-5.32
66.87
3600
-12.42
-133.94
24.79
103.11
-47.68
-18.83
-5.62
69.29
3650
-12.56
-134.22
24.71
89.24
-48.26
-29.21
-5.84
72.04
3700
-12.37
-132.5
24.67
75.18
-49.27
-43.37
-6.05
74.47
3750
-11.85
-131.84
24.70
61.44
-50.2
-58.07
-6.24
76.46
3800
-10.99
-131.88
24.73
47.15
-51.31
-77.27
-6.49
77.95
3850
-10.10
-134.27
24.90
32.58
-51.77
-99.53
-6.82
78.63
3900
-9.19
-139.24
25.02
17.14
-52.57
-125.81
-7.38
79.17
3950
-8.41
-146.73
25.29
0.702
-51.90
-156.29
-8.19
80.03
4000
-7.90
-157.43
25.43
-17.44
-50.26
173.75
-9.28
83.45
Device S-parameters are available for download off of the website at: http://www.wj.com
Application Circuit PC Board Layout
PCB Material: 0.0147” Rogers Ultralam 2000, single layer, 1 oz Cu,
ε
r = 2.45
Microstrip line details: width = .042”, spacing = .050”
The silkscreen markers ‘A’, ‘B’, ‘C’, etc. and ‘1’, ‘2’, ‘3’, etc. are used as place markers for the input and output tuning.
RF IN
RF OUT
C3