High Dynamic Range Gain Block
S-Parameters (V
DS
= +5 V, I
DS
= 150 mA, T = 25 C, unmatched 50 ohm system)
16
14
12
10
8
6
0
200
400
600
Frequency (MHz)
800
1000
Return Loss (dB)
AG103
The Communications Edge
TM
Product Information
Typical Device Data
0
¢
Gain
Return Loss
-10
Gain (dB)
-20
-30
DB(|S[2,1]|)
-40
0
DB(|S[1,1]|)
200
DB(|S[2,2]|)
400
600
Frequency (MHz)
800
1000
The device can be used as a gain block with no input or output matching. For optimal input return loss and noise figure performance, the
amplifier can be slightly tuned for the frequency of operation as shown in the reference designs in this datasheet.
S-Parameters (V
DS
= +5 V, I
DS
= 150 mA, T = 25 C, calibrated to device leads)
Freq (MHz)
S11 (dB)
S11 (ang)
¢
S21 (dB)
S21 (ang)
S12 (dB)
S12 (ang)
S22 (dB)
S22 (ang)
50
100
150
200
250
300
350
400
450
500
550
600
650
700
750
800
850
900
-11.30
-12.11
-12.46
-12.29
-12.35
-12.16
-12.14
-11.95
-11.88
-11.73
-11.60
-11.48
-11.26
-11.08
-10.90
-10.73
-10.51
-10.34
-30.04
-24.59
-25.65
-29.97
-32.81
-38.15
-42.37
-47.75
-52.03
-57.01
-61.03
-66.17
-70.02
-74.52
-79.00
-83.40
-87.42
-91.85
14.35
14.17
14.13
14.10
14.07
14.06
14.02
14.01
13.98
13.91
13.85
13.73
13.76
13.72
13.68
13.62
13.57
13.47
170.13
171.02
169.71
167.82
165.49
163.30
160.54
158.38
155.78
153.04
150.70
148.73
146.23
144.01
141.28
138.73
136.01
133.71
-20.20
-20.12
-20.08
-20.05
-19.99
-19.99
-20.01
-19.99
-20.01
-19.97
-19.95
-20.00
-20.03
-20.01
-19.93
-19.95
-19.94
-19.96
8.20
3.18
1.39
-0.31
-1.51
-2.59
-3.37
-4.74
-5.79
-6.12
-7.43
-8.03
-9.00
-9.46
-10.57
-11.34
-12.38
-12.95
-19.64
-22.19
-22.73
-23.12
-22.90
-23.03
-23.03
-22.80
-22.87
-22.90
-22.68
-22.48
-22.64
-22.19
-22.38
-22.12
-21.94
-21.78
-120.38
-142.79
-155.71
-160.90
-166.97
-167.62
-172.30
-173.68
-176.13
-176.83
179.96
178.91
177.09
176.83
175.26
173.64
172.78
171.76
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 2 of 4
June 2006
WJCI [ WJ COMMUNICATION. INC. ]
