CV211-2A
L-R Isolation vs LO Frequency
Referenced with LO = 0 dBm
The Communications Edge
TM
Product Information
UMTS-band Dual-Branch Downconverter
CV211-2APCB75 Application Circuit Performance Plots (cont’d)
L-I Isolation vs LO Frequency
Referenced with LO = 0 dBm
Branch-Branch Isolation vs RF Frequency
25° C
25
L-R Isolation (dB)
20
15
10
5
0
1600
-40° C
+25° C
+85° C
30
L-I Isolation (dB)
Isolation (dB)
-40° C
+25° C
+85° C
50
40
30
20
10
0
2200
1900
1950
2000
2050
2100
2150
2200
25
20
15
10
5
1700
1800
1900
2000
2100
2200
1600
1700
1800
1900
2000
2100
LO Frequency (MHz)
IF Return Loss vs RF Frequency
25° C
LO Frequency (MHz)
RF Return Loss vs RF Frequency
25° C
RF Frequency (MHz)
LO Return Loss vs LO Frequency
25° C
0
Return Loss (dB)
Return Loss (dB)
5
10
15
20
25
30
65
70
75
IF Frequency (MHz)
80
85
0
5
10
15
20
25
30
1900
1950
2000
2050
2100
2150
2200
Return Loss (dB)
0
10
20
30
40
1600
1700
1800
1900
2000
2100
2200
RF Frequency (MHz)
Noise Figure vs Temperature
Input P1dB vs Temperature
RF = 1950 MHz, IF = 75 MHz, LO = 0 dBm @1875 MHz
LO Frequency (MHz)
RF = 1950 MHz, IF = 75 MHz, LO = 0 dBm @1875 MHz
14
12
10
8
6
4
-40
-20
0
20
40
60
80
Input P1dB (dBm)
Noise Figure (dB)
14
12
10
8
6
4
-40
-20
0
20
40
60
80
Temperature (°C)
Temperature (°C)
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 9 March 2006
WJCI [ WJ COMMUNICATION. INC. ]
