WJA1001
Vcc =+5.00V
Icc = 100 mA
R4
0
+5V Active-Bias InGaP HBT Gain Block
Application Circuit
C3
Bypass
Capacitor
RF IN
R1
0
L1
RF Choke
RF OUT
WJA1001
C1
Blocking
Capacitor
R2
0
C2
Blocking
Capacitor
Recommended Component Values
(1)
Ref. Name
Value / Type
L1
470 nH ferrite core wire wound inductor
(2)
C1, C2
1000 pF NPO chip capacitor
C3
0.018
F
chip capacitor
R1, R2, R4 0
(3)
C4, C5, C6, Do Not Place
(3)
R3, R5, R6,
R7, R8
1.
2.
3.
Size
0805
0603
0603
0603
The listed values are contained on the evaluation board to achieve optimal broadband performance
For lower cost and performance (500 – 2000 MHz) option use 39 nH ceramic core wire wound inductor.
Place holders for the 0 resistors and “Do Not Place” references are not needed for final design.
Typical Device Data
S-Parameters (V
device
= +5 V, I
CC
= 100 mA, T = 25
C,
calibrated to device leads)
Freq (GHz)
S11 (dB)
S11 (ang)
S21 (dB)
S21 (ang)
S12 (dB)
10
-16.19
-74.53
22.52
170.02
-25.75
50
-13.73
-150.31
20.24
167.55
-23.34
100
-13.40
-165.59
19.82
167.74
-23.16
200
-13.27
-173.49
19.60
162.77
-23.09
400
-12.67
-178.71
19.50
149.81
-23.01
600
-12.13
177.74
19.35
136.50
-22.97
800
-11.99
172.41
19.15
122.68
-22.90
1000
-12.07
163.93
18.99
109.45
-22.85
1200
-12.02
152.87
18.73
94.83
-22.84
1400
-11.71
142.18
18.33
81.54
-22.75
1600
-11.76
132.89
18.10
67.63
-22.81
1800
-12.61
125.70
17.71
53.78
-22.66
2000
-14.95
116.23
17.35
40.27
-22.75
2200
-18.89
100.16
16.88
26.53
-22.71
2400
-24.73
70.36
16.27
12.71
-22.78
2600
-32.51
32.55
15.76
-1.15
-22.67
2800
-28.92
-123.80
15.14
-14.50
-22.65
3000
-18.69
-139.28
14.31
-28.11
-22.55
3200
-13.74
-143.12
13.44
-41.58
-22.62
3400
-10.86
-145.10
12.37
-53.94
-22.64
3600
-9.38
-150.89
11.40
-65.62
-22.59
3800
-8.61
-162.51
10.54
-76.54
-22.46
4000
-7.74
-178.88
9.54
-88.57
-22.15
S12 (ang)
12.97
6.00
2.19
-1.09
-4.76
-8.79
-12.46
-16.03
-19.42
-23.24
-27.41
-30.65
-35.01
-38.53
-41.54
-45.93
-49.54
-53.67
-57.98
-61.93
-65.84
-69.00
-73.94
S22 (dB)
-11.35
-17.22
-18.78
-19.05
-18.29
-17.08
-15.70
-13.92
-12.73
-11.59
-10.74
-9.99
-9.15
-8.48
-8.13
-8.09
-8.09
-7.84
-7.43
-7.02
-6.80
-6.67
-6.65
S22 (ang)
-37.50
-110.83
-136.33
-148.58
-151.10
-151.78
-150.91
-151.81
-157.08
-165.19
-173.87
179.93
175.81
171.38
165.83
157.59
148.86
140.92
135.57
130.30
126.09
121.50
116.69
Device S-parameters are available for Download from the website at: http://www.wj.com
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
January 2008