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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 7 February 2005
CV211-3
UMTS-band Dual-Branch Downconverter
Product Information
The Communications Edge
TM
CV211-3PCB75 Application Circuit Performance Plots (cont’d)
L-RIsolationvs LOFrequency
Referenced with LO= 0 dBm
0
5
10
15
20
25
1600
1700
1800
1900
2000
2100
2200
LOFrequency (MHz)
-40° C
+25° C
+85° C
L-I Isolationvs LOFrequency
Referenced with LO= 0 dBm
5
10
15
20
25
30
1600
1700
1800
1900
2000
2100
2200
LOFrequency (MHz)
-40° C
+25° C
+85° C
Branch-BranchIsolationvs RF Frequency
25° C
0
10
20
30
40
50
1900
1950
2000
2050
2100
2150
2200
RFFrequency (MHz)
IFReturnLoss vs RF Frequency
25° C
0
5
10
15
20
25
30
65
70
75
80
85
IFFrequency (MHz)
RFReturnLoss vs RFFrequency
25° C
0
5
10
15
20
25
30
1900
1950
2000
2050
2100
2150
2200
RFFrequency (MHz)
LOReturnLoss vs LOFrequency
25° C
0
10
20
30
40
1600
1700
1800
1900
2000
2100
2200
LOFrequency (MHz)
Noise Figure vs Temperature
RF = 1950 MHz, IF = 75 MHz, LO= 0 dBm@1875 MHz
4
6
8
10
12
14
-40
-20
0
20406080
Temperature (°C)
Input P1dBvs Temperature
RF = 1950 MHz, IF = 75 MHz, LO= 0 dBm@1875 MHz
4
6
8
10
12
14
-40
-20
0
20406080
Temperature (°C)
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