The Communications Edge
TM AG201-63
InGaP HBT Gain Block
Product Information
Vcc
Icc = 20 mA
Application Circuit
R1
Bias
Resistor
C4
Bypass
Capacitor
C3
0.018 µF
L1
RF Choke
RF IN
RF OUT
AG201-63
C2
C1
Blocking
Capacitor
Blocking
Capacitor
Recommended Component Values
Reference
Recommended Bias Resistor Values
Supply
Voltage
Frequency (MHz)
R1 value
Size
Designator
50
500
900
1900
27 nH
68 pF
2200
22 nH
68 pF
2500
18 nH
56 pF
3500
15 nH
39 pF
L1
820 nH
220 nH
68 nH
100 pF
5 V
6 V
7 V
8 V
9 V
10 V
12 V
50 ohms
100 ohms
150 ohms
200 ohms
250 ohms
300 ohms
400 ohms
0603
0603
0805
0805
1206
1210
1210
C1, C2, C4
.018 µF
1000 pF
1. The proper values for the components are dependent upon the intended frequency of operation.
2. The following values are contained on the evaluation board to achieve optimal broadband performance:
Ref. Desig.
Value / Type
Size
L1
39 nH wirewound inductor
56 pF chip capacitor
0.018 PF chip capacitor
Do Not Place
0603
0603
0603
C1, C2
C3
C4
The proper value for R1 is dependent upon the supply
voltage and allows for bias stability over temperature.
WJ recommends a minimum supply bias of +5 V.
1% tolerance resistor is recommended.
R1
0603
49.9 : 1% tolerance
A
Typical Device Data
S-Parameters (Vdevice = +4.0 V, ICC = 20 mA, T = 25 C, calibrated to device leads)
Freq (MHz)
S11 (dB)
S11 (ang)
-6.60
S21 (dB)
11.22
11.19
11.19
11.15
11.07
11.04
10.96
10.88
10.77
10.61
10.54
10.48
10.38
10.31
10.24
10.08
9.98
9.83
9.67
9.51
9.39
9.23
9.07
9.03
8.95
S21 (ang)
178.53
172.86
165.72
158.59
151.65
144.43
137.42
130.39
123.52
116.95
112.28
105.22
98.63
92.38
85.82
79.13
72.24
65.64
59.19
52.37
45.85
S12 (dB)
-16.01
-16.41
-16.39
-16.32
-16.67
-16.23
-16.24
-16.37
-16.33
-16.37
-16.76
-16.16
-16.10
-16.25
-16.21
-15.99
-16.06
-15.97
-15.80
-15.80
-15.85
-15.85
-15.76
-15.43
-15.61
S12 (ang)
1.78
0.49
-3.56
-5.87
S22 (dB)
-16.22
-16.31
-18.46
-18.71
-19.20
-19.49
-19.55
-19.24
-19.04
-15.52
-16.44
-17.38
-19.06
-21.18
-23.63
-23.62
-21.23
-18.49
-16.69
-15.54
-14.43
-14.46
-14.46
-14.85
-14.99
S22 (ang)
-2.50
-4.04
50
250
500
750
-33.36
-34.27
-33.08
-29.63
-26.66
-24.09
-22.36
-20.94
-19.57
-16.29
-16.47
-16.81
-17.52
-18.18
-18.21
-18.11
-17.38
-16.85
-16.39
-16.25
-16.06
-17.05
-18.24
-19.96
-21.05
26.40
106.48
86.10
74.33
69.64
64.19
60.32
56.83
43.02
38.44
41.05
42.18
45.78
48.49
50.97
54.83
56.42
56.13
53.66
51.28
44.99
33.18
22.01
8.45
-10.33
-19.75
-28.63
-42.62
-55.66
-69.54
-82.66
-85.89
-94.20
-103.52
-113.34
-127.55
-155.61
163.87
140.39
125.84
120.27
116.28
116.89
117.24
117.59
122.56
122.55
1000
1250
1500
1750
2000
2250
2500
2750
3000
3250
3500
3750
4000
4250
4500
4750
5000
5250
5500
5750
6000
-10.07
-10.28
-11.70
-13.92
-14.76
-17.48
-23.47
-23.54
-23.33
-24.50
-26.42
-29.08
-32.03
-34.05
-36.44
-38.98
-42.28
-44.47
-45.79
-49.07
-50.71
39.74
33.99
27.96
21.94
Device S-parameters are available for download on the website at: http://www.wj.com
Specifications and information are subject to change without notice
Web site: www.wj.com Page 4 of 6 June 2005
WJ Communications, Inc Phone 1-800-WJ1-4401 FAX: 408-577-6621 e-mail: sales@wj.com
WJCI [ WJ COMMUNICATION. INC. ]
