VG111
S21 vs. Frequency
Vctrl=0V (Minimum attenuation)
PCS/UMTS-band Variable Gain Amplifier
VG111-PCB2100 Application Circuit Performance (cont’d)
S11 vs. Frequency
Vctrl=0V (Minimum attenuation)
S22 vs. Frequency
Vctrl=0V (Minimum attenuation)
15
14
0
0
-40°C
-5
+25°C
+85°C
-5
-10
-15
-20
-40°C
+25°C
+85°C
13
12
11
-10
-15
-40°C
10
2110
2120
+25°C
2130
+85°C
-20
2140
2150
2160
2170
2110
2120
2130
2140
2150
2160
2170
2110
2120
2130
2140
2150
2160
2170
Frequency (MHz)
S21 vs. Frequency vs. Attenuation Setting
Frequency (MHz)
Frequency (MHz)
S11 vs. Frequency vs. Attenuation Setting
S22 vs. Frequency vs. Attenuation Setting
20
10
0
0 dB Atten
5 dB Atten
15 dB Atten
25 dB Atten
0
10 dB Atten
20 dB Atten
-5
-10
0
-10
-20
2110
0 dB Atten
15 dB Atten
5 dB Atten
20 dB Atten
10 dB Atten
25 dB Atten
-5
-10
-15
-20
-25
-30
0 dB Atten
10 dB Atten
20 dB Atten
5 dB Atten
15 dB Atten
25 dB Atten
-15
-20
-25
-30
2170
2110
2130
2150
2170
Frequency (MHz)
P1dB vs. Temperature
2140 MHz, Vctrl=0V (minimum attenuation)
2130
2150
2110
2130
2150
2170
Frequency (MHz)
Frequency (MHz)
Noise Figure vs. Frequency
Vctrl=0V (Minimum attenuation)
24
22
NF (dB)
10
8
6
4
2
0
2110
20
18
16
14
-40
-15
10
35
Temperature (°C)
60
85
-40°C
2120
2130
2140
+25°C
2150
+85°C
2160
2170
Frequency (MHz)
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 5 of 6
January 2007
WJCI [ WJ COMMUNICATION. INC. ]
