WJA1015
+5V Active-Bias InGaP HBT Gain Block
Vcc = +5V
Icc = 67 mA
Application Circuit
R4
0Ω
C3
Bypass
Capacitor
RF IN
R1
C1
0Ω
Blocking
Capacitor
L1
RF Choke
WJA1015
R2
0Ω
RF OUT
C2
Blocking
Capacitor
Recommended Component Values(1)
Ref. Name Value / Type
Size
L1
39 nH wire wound inductor 0805
C1, C2
56 pF chip capacitor
0603
C3
R1, R2, R4
C4, C5, C6,
0.018 μF chip capacitor
0 Ω(2)
Do Not Place(2)
0603
0603
R3, R5, R6,
R7, R8
1. The listed values are contained on the evaluation board to achieve optimal broadband performance
2. Place holders for the 0Ω resistors and “Do Not Place” references are not needed for final design.
Typical Device Data
S-Parameters (Vdevice = +5 V, ICC = 63 mA, T = 25 °C, calibrated to device leads)
Freq (MHz)
S11 (dB)
S11 (ang)
S21 (dB)
S21 (ang)
S12 (dB)
10
-10.31
-67.98
19.25
162.08
-21.70
50
-12.28
-146.51
15.39
164.52
-19.16
100
-12.50
-163.88
14.85
167.56
-18.95
300
-12.38
-177.31
14.58
161.11
-18.92
500
-12.21
176.67
14.44
151.08
-18.82
700
-11.50
169.56
14.40
140.65
-18.65
900
-10.74
163.56
14.14
130.95
-18.63
1100
-9.86
157.30
13.98
120.28
-18.53
1300
-9.03
150.21
13.78
110.73
-18.51
1500
-8.47
142.21
13.54
100.97
-18.40
1700
-8.02
132.62
13.31
91.65
-18.44
1900
-7.70
121.93
13.22
82.60
-18.46
2100
-7.32
112.83
13.10
72.93
-18.49
2300
-6.82
103.07
12.94
62.80
-18.55
2500
-6.44
95.12
12.84
52.81
-18.67
2700
-5.90
86.18
12.67
41.94
-18.78
2900
-5.67
76.21
12.43
31.85
-19.09
3100
-5.66
64.25
12.13
22.65
-19.19
3300
-5.73
53.11
11.93
12.59
-19.15
3500
-6.02
42.96
11.82
3.12
-19.16
3700
-6.35
33.94
11.71
-8.64
-19.03
3900
-6.47
25.50
11.43
-20.19
-19.02
4100
-6.91
12.96
10.83
-32.89
-19.04
4300
-7.41
-1.03
10.17
-44.13
-19.04
4500
-8.48
-14.39
9.69
-54.14
-18.89
S12 (ang)
25.28
7.39
2.89
-2.40
-6.24
-9.72
-13.66
-17.22
-21.91
-25.84
-29.93
-33.98
-37.81
-43.11
-47.20
-51.96
-55.24
-58.90
-60.53
-62.61
-65.28
-70.24
-74.88
-78.79
-81.91
S22 (dB)
-7.53
-14.79
-15.97
-15.65
-14.04
-12.32
-11.37
-10.37
-9.56
-8.54
-7.69
-6.98
-6.69
-6.47
-6.14
-5.63
-5.12
-4.72
-4.65
-4.93
-5.11
-5.06
-4.70
-4.34
-4.14
S22 (ang)
-51.14
-122.43
-143.83
-154.89
-152.65
-153.10
-157.97
-166.97
-175.43
176.67
171.36
166.70
162.83
153.83
143.36
133.56
126.58
122.79
121.06
116.93
108.57
97.78
88.54
84.46
85.17
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 3 of 4 May 2007