The Communications Edge TM
AH212
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)
S11
S22
Gain
Swp Max
3GHz
Swp Max
3GHz
35
30
25
20
15
10
5
DB(|S(2,1)|)
AH212
0
0.5
1
1.5
2
2.5
3
S(1,1)
AH212
S(2,2)
AH212
Frequency (GHz)
Swp Min
0.01GHz
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)
50
S11 (dB)
-9.19
-4.58
-0.92
-2.81
-4.10
-10.08
-14.20
-7.51
-6.58
-6.67
-7.87
-11.42
-18.51
-8.70
-4.43
-2.78
-2.44
S11 (ang)
-130.35
-125.96
-169.81
160.59
134.99
97.76
-174.16
146.36
101.88
65.24
37.31
19.84
69.85
105.38
93.47
S21 (dB)
17.61
21.86
27.39
26.96
26.35
30.19
31.30
29.49
27.14
25.02
23.35
22.01
20.56
18.40
15.61
12.91
10.51
S21 (ang)
65.80
69.36
S12 (dB)
-64.44
-58.42
-55.39
-50.75
-49.90
-46.20
-49.63
-44.88
-45.19
-46.75
-47.96
-44.88
-40.54
-38.49
-38.94
-39.25
-38.27
S12 (ang)
122.93
-135.96
49.47
78.75
59.30
44.46
25.99
48.15
29.86
33.97
24.08
70.88
52.01
31.21
23.84
-2.01
S22 (dB)
-2.71
-2.92
-3.04
-1.13
-0.86
-0.93
-1.05
-1.97
-2.76
-2.82
-2.53
-2.08
-1.45
-1.02
-0.89
-1.16
-1.34
S22 (ang)
-145.39
-160.72
-166.12
-169.23
-179.36
172.84
164.98
159.52
156.95
154.08
150.05
143.86
134.91
123.57
113.66
106.71
101.38
100
200
400
600
14.98
-55.64
-69.83
-108.08
-167.40
141.86
99.61
63.05
28.87
-5.81
-44.21
-84.80
-122.39
-156.41
167.98
800
1000
1200
1400
1600
1800
2000
2200
2400
2600
2800
3000
84.89
81.11
0.70
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
WJCI [ WJ COMMUNICATION. INC. ]
