AP602
40
35
30
25
Gain (dB)
20
15
High Dynamic Range 4W 28V HBT Amplifier
S-Parameters (V
CC
= +28 V, V
PD
= V
BIAS
= 5 V, I
CQ
= 80 mA, T = 25
°C,
unmatched 50 ohm system, calibrated to device leads)
Gain / Maximum Stable Gain
0.8
Typical Device Data
S11
1.0
S22
Swp Max
3GHz
2.
0
6
0.
1.0
0
3.
2.
0
DB(|S(2,1)|)
DB(GMax())
0.
4
6
0.
Swp Max
3GHz
0.8
0
4.
5.0
0.2
10.0
10.0
10
5
0
-5
-10
0
0.5
1
1.5
Frequency (GHz)
2
2.5
10.0
0.2
0.4
0.6
0.8
1.0
2.0
3.0
4.0
5.0
0.2
0.4
0.6
0.8
1.0
2.0
3.0
4.0
5.0
0
0
.4
-0
-0
.4
.0
-2
-0
.6
-0.8
-0
.6
Swp Min
0.01GHz
-0.8
-2
.0
Swp Min
0.01GHz
-1.0
The gain for the unmatched device in 50 ohm system is shown as the trace in black color. For a tuned circuit for a particular frequency,
it is expected that actual gain will be higher, up to the maximum stable gain. The maximum stable gain is shown in the marked red line.
The impedance plots are shown from 50 – 3000 MHz, with markers placed at 0.5 – 3.0 GHz in 0.5 GHz increments.
Freq (MHz)
S11 (dB)
S11 (ang)
S21 (dB)
S21 (ang)
S12 (dB)
S12 (ang)
S22 (dB)
S22 (ang)
50
100
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
2400
2600
2800
3000
-5.48
-4.19
-2.36
-1.26
-0.93
-0.75
-0.85
-0.77
-0.76
-0.85
-1.05
-1.30
-1.64
-2.14
-2.67
-2.98
-2.77
-168.66
-163.72
-165.46
-173.46
-177.48
-179.37
179.64
178.55
177.13
174.34
169.72
162.94
154.66
146.42
140.28
139.19
142.63
24.61
23.51
21.20
16.82
13.69
11.52
9.60
8.33
7.34
6.75
6.43
6.31
6.25
6.13
5.83
5.31
4.53
162.66
148.99
127.42
105.39
94.60
87.62
80.64
75.01
69.98
64.38
57.00
47.79
36.49
23.29
6.95
-11.57
-33.00
-43.82
-38.73
-35.02
-33.36
-33.10
-33.19
-32.66
-32.18
-31.99
-31.49
-30.96
-30.28
-29.50
-28.80
-28.30
-28.16
-28.51
67.14
56.38
38.63
20.55
12.05
7.47
16.69
8.35
4.86
1.88
-2.23
-8.68
-16.71
-28.08
-42.09
-59.43
-80.88
-0.84
-1.30
-3.13
-5.71
-6.44
-6.28
-5.87
-5.44
-4.84
-4.22
-3.65
-3.15
-2.64
-2.11
-1.57
-1.07
-0.83
-1.0
-15.48
-32.29
-55.32
-79.41
-91.66
-99.86
-104.18
-108.62
-110.75
-113.24
-116.25
-120.21
-125.79
-133.06
-142.48
-154.01
-165.99
Device S-parameters are available for download off of the website at: http://www.wj.com
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 2 of 11 May 2007 ver 1
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.0
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.0
-4
.0
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0
2
-0.
2
-0.
-10.0
0.
4
3.
0
0
4.
5.0
-10.0
-3
.0
0.2
10.0
WJCI [ WJ COMMUNICATION. INC. ]
