AH212
The Communications Edge TM
1 Watt High Linearity, High Gain InGaP HBT Amplifier
Product Information
Typical Device Data (SOIC-8)
S-Parameters (VCC = +5 V, ICC = 400 mA, T = 25 C, calibrated to device leads)
Gain
35
DB(|S(2,1)|)
AH212
30
25
20
S11
Swp Max
3GHz
3.0
4.0
5.0
10.0
S22
15
10
5
0
0.5
1
1.5
2
2.5
3
Frequency (GHz)
-0.2
-0.4
S(1,1)
AH212
Swp Min
0.01GHz
-0.2
-0.4
S(2,2)
AH212
Swp Max
3GHz
3.0
4.0
5.0
10.0
Swp Min
0.01GHz
Notes:
The gain for the unmatched device in 50 ohm system is shown as the trace in blue color. For a band specific tuned circuit, it is expected that actual gain
will be higher. The impedance plots are shown from 50 – 3000 MHz, with markers placed at 0.5 – 3.0 GHz in 0.5 GHz increment.
S-Parameters for AH212-S8G (VCC = +5 V, ICC = 400 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)
50
-9.19
-130.35
17.61
65.80
-64.44
122.93
-2.71
-145.39
100
-4.58
-125.96
21.86
69.36
-58.42
-135.96
-2.92
-160.72
200
-0.92
-169.81
27.39
14.98
-55.39
49.47
-3.04
-166.12
400
-2.81
160.59
26.96
-55.64
-50.75
78.75
-1.13
-169.23
600
-4.10
134.99
26.35
-69.83
-49.90
59.30
-0.86
-179.36
800
-10.08
97.76
30.19
-108.08
-46.20
44.46
-0.93
172.84
1000
-14.20
-174.16
31.30
-167.40
-49.63
25.99
-1.05
164.98
1200
-7.51
146.36
29.49
141.86
-44.88
48.15
-1.97
159.52
1400
-6.58
101.88
27.14
99.61
-45.19
29.86
-2.76
156.95
1600
-6.67
65.24
25.02
63.05
-46.75
33.97
-2.82
154.08
1800
-7.87
37.31
23.35
28.87
-47.96
24.08
-2.53
150.05
2000
-11.42
19.84
22.01
-5.81
-44.88
70.88
-2.08
143.86
2200
-18.51
69.85
20.56
-44.21
-40.54
52.01
-1.45
134.91
2400
-8.70
105.38
18.40
-84.80
-38.49
31.21
-1.02
123.57
2600
-4.43
93.47
15.61
-122.39
-38.94
23.84
-0.89
113.66
2800
-2.78
84.89
12.91
-156.41
-39.25
-2.01
-1.16
106.71
3000
-2.44
81.11
10.51
167.98
-38.27
0.70
-1.34
101.38
Device S-parameters are available for download off of the website at: http://www.wj.com
Application Circuit PC Board Layout
Circuit Board Material: .014” FR4, four layer, 1 oz copper, Microstrip line details: width = .026”, spacing = .026”
The silk screen markers ‘A’, ‘B’, ‘C’, etc. and ‘1’, ‘2’, ‘3’, etc. are used as placemarkers for the input and output tuning
shunt capacitor – C7. The markers and vias are spaced in 0.050” increments.
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 12 August 2006