VG112
The Communications Edge
TM
Product Information
PCS/UMTS-band Variable Gain Amplifier
2140 MHz Application Circuit Performance
Performance using the circuitry on the VG112-PCB Evaluation Board
OIP3 vs. Output Power vs. Temperature
48
46
O IP 3 (d B m )
O IP 3 (d B m )
44
42
40
+25 °C
38
10
12
14
16
18
Output Power per tone (dBm)
20
-40 °C
+85 °C
38
10
12
14
16
18
Output Power per tone (dBm)
20
frequency = 2140, 2141 MHz, 0dB Atten.
OIP3 vs. Output Power vs. Temperature
48
46
44
42
40
+25 °C
-40 °C
+85 °C
38
10
O IP 3 (d B m )
frequency = 2140, 2141 MHz, 5dB Atten.
OIP3 vs. Output Power vs. Temperature
48
46
44
42
40
+25 °C
-40 °C
+85 °C
20
frequency = 2140, 2141 MHz, 10dB Atten.
12
14
16
18
Output Power per tone (dBm)
OIP3 vs. Output Power vs. Temperature
48
46
O IP 3 (d B m )
44
42
40
+25 °C
38
10
12
14
16
18
Output Power per tone (dBm)
20
-40 °C
+85 °C
38
10
frequency = 2140, 2141 MHz, 15dB Atten.
OIP3 vs. Pout vs. Attenuation Setting
48
46
44
42
40
0 dB Atten
5 dB Atten
10 dB Atten
15 dB Atten
12
14
16
18
Output Power per tone (dBm)
20
ACLR vs. Channel Power
3GPP W-CDMA, Test Model 1+64 DPCH, ±5 MHz offset, 2140 MHz
frequency = 2140, 2141 MHz, +25 °C
IMD products vs. Output Power
-40
IM D p ro d u c ts (d B c )
-50
-60
-70
-80
10
12
14
16
18
Output Power per tone (dBm)
Gain vs. Vctrl
2140 MHz
fundamental frequency = 2140, 2141 MHz; +25 °C, 0dB Atten
P1dB vs. Temperature
32
30
P 1 d B (d B m )
28
26
24
A C L R (d B c )
frequency = 2140 MHz, 0dB Atten.
O IP 3 (d B m )
IMD_Low
IMD_High
-40
-45
-50
-55
-40 C
22
20
-40
-15
10
35
Temperature (°C)
2140 MHz
+25 C
21
+85 C
22
-60
60
85
18
19
20
Output Channel Power (dBm)
Normalized Gain vs. Vctrl
0
N o rm a liz e d G a in (d B )
Noise Figure vs. Frequency vs. Temperature
Vctrl=0V (Maximum Gain Setting)
30
25 °C
G a in (d B )
20
10
0
-10
0
1
2
Vctrl (V)
3
4
5
-40 °C
85 °C
10
25 °C
-40 °C
85 °C
-40 °C
+25 °C
+85 °C
-5
9
N F (d B )
8
7
6
5
1800
-10
-15
-20
-25
-30
0
1
2
Vctrl (V)
3
4
5
1900
2000
Frequency (MHz)
2100
2200
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 3 of 4
May 2006
WJCI [ WJ COMMUNICATION. INC. ]
