AG302-86
InGaP HBT Gain Block
Vcc
Icc = 35 mA
The Communications Edge
TM
Product Information
Application Circuit
R1
Bias
Resistor
C4
Bypass
Capacitor
C3
0.018 µF
L1
RF Choke
RF IN
AG302-86
C1
Blocking
Capacitor
C2
Blocking
Capacitor
RF OUT
Recommended Component Values
Reference
Designator
50
500
L1
820 nH
220 nH
C1, C2, C4
.018 µF
1000 pF
Ref. Desig.
L1
C1, C2
C3
C4
R1
Frequency (MHz)
900
1900
2200
68 nH
27 nH
22 nH
100 pF
68 pF
68 pF
Size
0603
0603
0603
0603
2500
18 nH
56 pF
3500
15 nH
39 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:
Value / Type
39 nH wirewound inductor
56 pF chip capacitor
0.018
PF
chip capacitor
Do Not Place
22.1
:
1% tolerance
Recommended Bias Resistor Values
S upply
R1 value
S ize
Voltage
5V
22.1 ohms
0603
6V
51 ohms
0805
7V
80 ohms
1206
8V
108 ohms
1210
9V
137 ohms
1210
10 V
166 ohms
1210
12 V
223 ohms
2010
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. A
1% tolerance resistor is recommended.
Typical Device Data
S-Parameters (V
device
= +4.23 V, I
CC
= 35 mA, T = 25 C, calibrated to device leads)
Freq (MHz)
S11 (dB)
S11 (ang)
S21 (dB)
50
250
500
750
1000
1250
1500
1750
2000
2250
2500
2750
3000
3250
3500
3750
4000
4250
4500
4750
5000
5250
5500
5750
6000
-22.36
-176.20
15.84
177.66
-19.51
1.04
-20.02
-22.42
178.14
15.80
169.02
-20.00
2.07
-19.80
-19.74
169.99
15.66
157.79
-19.90
-1.98
-21.61
-19.38
164.90
15.46
147.29
-19.86
-4.19
-19.94
-19.98
160.59
15.20
136.82
-19.99
-8.34
-18.60
-19.91
158.41
14.91
126.63
-19.62
-8.26
-16.55
-20.23
157.45
14.59
116.90
-19.68
-9.74
-15.20
-21.19
158.11
14.24
107.50
-19.42
-10.53
-14.20
-22.02
158.77
13.83
98.44
-19.74
-13.03
-13.30
-25.51
121.12
13.48
90.09
-19.17
-13.04
-11.84
-26.44
118.29
13.19
83.67
-19.42
-19.30
-11.88
-25.72
135.66
12.85
75.04
-18.69
-20.27
-12.10
-25.69
144.07
12.53
66.78
-18.57
-19.48
-12.40
-23.60
138.65
12.23
58.77
-18.37
-21.08
-12.91
-21.06
127.45
11.88
50.49
-18.31
-26.20
-13.29
-18.10
119.15
11.54
42.25
-17.91
-28.82
-13.11
-15.91
112.60
11.17
33.97
-17.71
-33.67
-12.53
-14.50
109.56
10.83
26.26
-17.56
-36.51
-11.73
-13.60
106.03
10.43
18.86
-17.29
-40.38
-11.24
-13.19
103.97
10.07
11.10
-17.12
-43.36
-10.75
-13.36
101.97
9.77
4.00
-17.08
-46.51
-10.53
-14.39
103.60
9.49
-2.41
-16.80
-50.43
-10.94
-15.75
105.34
9.26
-8.56
-16.55
-53.05
-11.34
-17.74
109.86
9.08
-15.31
-16.20
-56.21
-12.15
-20.05
109.35
8.91
-21.87
-15.88
-61.11
-12.61
Device S-parameters are available for download off of the website at: http://www.wj.com
Phone 1-800-WJ1-4401
¢
¢
¢
¢
WJ Communications, Inc
FAX: 408-577-6621
£
S21 (ang)
S12 (dB)
S12 (ang)
S22 (dB)
-7.64
-24.82
-58.82
-82.86
-100.21
-112.71
-123.55
-131.05
-136.75
-130.61
-138.04
-146.40
-157.17
-169.87
173.52
154.65
138.59
125.08
114.92
108.67
106.56
106.01
107.34
111.31
111.76
S22 (ang)
Specifications and information are subject to change without notice
e-mail: sales@wj.com
Web site: www.wj.com
Page 4 of 6 June 2005
WJCI [ WJ COMMUNICATION. INC. ]
