WJA1021-PCB データシートの表示（PDF） - WJ Communications => Triquint
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WJA1021-PCB Datasheet PDF : 4 Pages
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WJA1021
+5V Active-Bias InGaP HBT Gain Block
Vcc =+5.00V
Icc = 90 mA
Application Circuit
R4
0Ω
C3
Bypass
Capacitor
RF IN
C1
Blocking
Capacitor
L1
RF Choke
W JA1021
RF OUT
C2
Blocking
Capacitor
For optimal OIP3 performance, the ground plane to the left and right side around the backside paddle of the WJA1021 should be removed as shown in the above PCB layout.
.
Recommended Component Values (1)
Ref. Name Value / Type
Size
L1
470 nH ferrite core wire wound inductor (2) 0805
C1, C2
1000 pF NPO chip capacitor
0603
C3
0.018 µF chip capacitor
0603
R4
0 Ω(3)
C4, C5, C6, Do Not Place (3)
0603
R3, R5, R6,
R7, R8
1. The listed values are contained on the evaluation board to achieve optimal broadband performance
2. For lower cost and performance (500 – 2000 MHz) option use 39 nH ceramic core wire wound inductor.
3. 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 = 90 mA, T = 25 °C, calibrated to device leads)
Freq (GHz) S11 (dB) S11(ang) S21 (dB) S21 (ang) S12(dB)
10
-15.27
-76.97
22.78
168.92
-25.80
50
-13.47
-152.73
20.29
167.37
-23.38
100
-13.32
-167.56
19.92
167.89
-23.14
200
-13.32
-176.11
19.69
162.64
-23.15
400
-12.94
178.15
19.56
149.53
-23.10
600
-12.38
175.26
19.41
135.79
-23.07
800
-12.32
168.40
19.13
122.10
-23.01
1000
-12.56
158.65
18.92
108.57
-22.96
1200
-12.94
146.78
18.58
94.17
-23.04
1400
-12.96
137.52
18.24
81.46
-22.89
1590
-13.24
130.56
17.96
68.23
-22.87
1600
-13.26
130.42
17.95
67.69
-22.87
1800
-14.12
124.89
17.61
54.09
-22.79
2000
-16.59
115.57
17.26
40.63
-22.96
2200
-21.32
95.97
16.79
27.03
-22.94
2400
-29.00
44.53
16.18
13.53
-23.04
2600
-31.47
-55.07
15.66
0.14
-23.06
2800
-22.56
-119.27
15.05
-13.34
-23.06
3000
-16.22
-137.02
14.35
-27.33
-23.15
3200
-12.35
-143.92
13.50
-40.56
-23.27
3400
-10.00
-148.38
12.51
-53.24
-23.47
3600
-8.71
-155.84
11.58
-65.24
-23.53
3800
-7.94
-168.09
10.79
-76.83
-23.40
4000
-7.03
175.94
9.72
-89.13
-23.29
S12 (ang)
14.54
5.70
2.35
-0.19
-3.54
-6.98
-10.41
-12.83
-16.41
-20.13
-23.01
-22.74
-25.91
-29.81
-33.39
-36.47
-39.44
-42.87
-46.10
-49.30
-51.83
-54.62
-57.36
-61.41
S22 (dB)
-10.81
-17.02
-18.91
-19.27
-19.05
-18.22
-16.64
-14.40
-12.71
-11.63
-11.35
-11.36
-11.04
-10.18
-8.81
-7.80
-7.42
-7.44
-7.52
-7.26
-6.61
-5.87
-5.50
-5.62
Device S-parameters are available for download from the website at: http://www.wj.com
S22 (ang)
-41.48
-114.67
-138.72
-150.77
-153.38
-155.49
-155.88
-155.90
-156.76
-159.26
-165.00
-165.60
-173.55
178.28
171.50
167.47
162.95
157.56
149.16
140.55
132.18
127.43
124.79
120.23
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, www.TriQuint.com
Page 3 of 4 April 2008
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