High Dynamic Range Gain Block
AM1
The Communications Edge
TM
Product Information
S-Parameters (V
DS
= +4.5 V, I
DS
= 78mA, T = 25 C, 50 ohm system)
Input return loss can be improved with the appropriate input matching network shown later in this datasheet.
Gain vs. Frequency
S11 vs. Frequency
¢
Typical Device Data
S22 vs. Frequency
16
14
Gain (dB)
S11 (dB)
12
10
8
-40c
+25c
+85c
0
-5
S22 (dB)
-10
-15
-20
-25
-30
0
500
1000
1500
2000
2500
3000
0
500
1000
1500
2000
2500
3000
Frequency (MHz)
Noise Figure vs. Frequency
-40c
+25c
+85c
0
-10
-20
-30
-40
0
500
-40c
+25c
+85c
6
1000
1500
2000
2500
3000
Frequency (MHz)
Output Power / Gain vs. Input Power
14
12 Gain
Gain (dB)
10
8
6
frequency = 900 MHz, Temp = +25°C
Frequency (MHz)
Output Power / Gain vs. Input Power
22
Output Power (dBm)
20
18
16
14
12
14
12
Gain (dB)
Gain
18
16
14
12
0
2
4
6
8
10
Input Power (dBm)
12
14
10
8
6
4
frequency = 1900 MHz, Temp = +25°C
6
5
NF (dB)
4
3
2
1
0
0
500
1000
1500
2000
2500
3000
Frequency (MHz)
Output IP3 vs. Output Power
40
35
30
25
20
0
2
-40c
4
+25c
6
+85c
8
10
frequency = 900 / 910 MHz
Output Power
Output Power
22
Output Power (dBm)
20
4
0
2
4
6
8
10
Input Power (dBm)
frequency = 1900 / 1910 MHz
12
14
Output IP3 vs. Output Power
40
35
30
25
20
0
2
-40c
4
+25c
6
+85c
-35
-45
-55
-65
-75
25 ° IS-95, 9 Ch. Forward, ±885 kHz offset, 30 kHz Meas BW
C,
ACPR vs. Channel Power
freq = 1900 MHz
ACPR (dBc)
8
10
6
7
8
9
10
11
12
13
Output Power (dBm)
Output Power (dBm)
¢
Output Channel Power (dBm)
S-Parameters (V
D
= +4.5 V, I
D
= 78 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
250
500
750
1000
1250
1500
1750
2000
2250
2500
2750
3000
-4.72
-8.67
-8.96
-9.06
-9.04
-9.00
-8.89
-8.74
-8.65
-8.40
-7.99
-7.93
-7.47
-30.88
-27.48
-37.68
-51.15
-66.87
-82.11
-97.31
-112.48
-128.51
-142.86
-157.26
-171.48
175.92
15.44
13.93
13.75
13.60
13.47
13.39
13.13
12.91
12.68
12.48
12.22
11.88
11.53
164.91
165.39
157.18
148.11
137.91
128.62
118.57
109.09
99.48
89.94
80.41
71.42
62.05
-21.66
-20.26
-20.14
-20.02
-19.92
-19.85
-19.73
-19.56
-19.71
-19.53
-19.40
-19.33
-19.58
30.26
3.92
-2.25
-7.65
-10.63
-15.19
-18.74
-23.00
-28.33
-33.37
-37.91
-42.30
-47.37
-9.38
-16.70
-17.56
-18.25
-19.05
-20.28
-21.30
-22.57
-25.15
-27.03
-28.58
-28.56
-28.48
-40.39
-32.88
-31.25
-35.67
-43.62
-51.49
-61.37
-73.75
-85.19
-103.19
-135.19
-177.83
153.84
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 6
June 2006
WJCI [ WJ COMMUNICATION. INC. ]
