AH31-RFID Просмотр технического описания (PDF) - WJ Communications => Triquint
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AH31-RFID Datasheet PDF : 8 Pages
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AH31
High Dynamic Range IF Amplifier
Product Information
Typical Performance
Frequency
S21
900 MHz
16.8 dB
S11
-14 dB
S22
-11 dB
Output P1dB +21 dBm
Output IP3 +41 dBm
Noise Figure 2.1 dB
Bias
5 V @ 150 mA
Reference Design: 870 – 960 MHz
VS = +5 V
ID = 150 mA
C1
100 pF
RF IN
L1
12 nH
C2
2.4 pF
C5
.01 µF
C6
100 pF
L2
39 nH
AH31
RF OUT
R2
5.1 Ω
C4
100 pF
Notes:
1. The amplifier should be connected directly to a +5 V regulator; no dropping resistor is required.
2. If no DC signal is present at the input (pin 1), C1 can be removed. The gate is internally grounded in the amplifier.
3. All components are of size 0603.
4. This is a reference design only. Sample evaluation boards are not readily available for this circuit. The actual implementation can be achieved
by requesting an AH31 Evaluation board (any frequency) and replacing the passive components with the values given above.
Gain vs Frequency
20
25°C
S11, S22 vs Frequency
0
25°C
18
16
14
12
10
800
850
900
950
Frequency (MHz)
-5
-10
-15
-20
1000
800
S22
S11
850
900
950
1000
Frequency (MHz)
Typical Device Data
S-Parameters (VD = +5 V, ID = 150 mA, T = 25°C, calibrated to device leads)
Freq (MHz)
S11 (dB)
S11 (ang) S21 (dB) S21 (ang)
50
-2.89
-5.15
16.14
175.42
100
-2.89
-8.61
16.07
173.09
200
-2.93
-16.91
15.99
167.64
300
-2.96
-25.39
15.90
162.22
400
-3.01
-33.42
15.78
156.27
500
-3.10
-41.65
15.72
150.37
600
-3.16
-49.82
15.54
144.69
700
-3.23
-57.37
15.25
139.50
800
-3.24
-65.10
15.14
134.31
900
-3.30
-72.57
14.98
129.13
1000
-3.38
-79.77
14.74
124.24
S12 (dB)
-29.18
-29.05
-28.46
-27.82
-27.04
-26.35
-25.57
-24.79
-24.33
-23.74
-23.15
S12 (ang)
5.50
8.21
13.72
17.52
20.10
22.46
23.12
22.98
21.53
19.94
18.03
S22 (dB)
-11.16
-11.42
-11.47
-11.60
-11.73
-11.88
-12.01
-12.22
-12.37
-12.50
-12.67
S22 (ang)
-10.29
-11.71
-17.87
-25.22
-32.59
-40.41
-48.04
-55.71
-62.56
-69.95
-77.38
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
February 2004
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