CV211-2A
L-R Isolation vs LO Frequency
Referenced with LO = 0 dBm
The Communications Edge
TM
Product Information
UMTS-band Dual-Branch Downconverter
CV211-2APCB240 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
1500
-40° C
+25° C
+85° C
40
L-I Isolation (dB)
Isolation (dB)
-40° C
+25° C
+85° C
50
40
30
20
10
0
2100
1900
1950
2000
2050
2100
2150
2200
35
30
25
20
15
1600
1700
1800
1900
2000
2100
1500
1600
1700
1800
1900
2000
LO Frequency (MHz)
IF Return Loss vs IF 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
215
225
235
245
255
265
0
5
10
15
20
25
30
1900
1950
2000
2050
2100
2150
2200
Return Loss (dB)
RF Frequency (MHz)
Noise Figure vs Temperature
RF = 1950 MHz, IF = 240 MHz, LO = 0 dBm @1710 MHz
0
10
20
30
40
1500 1600 1700 1800 1900 2000 2100 2200
LO Frequency (MHz)
Input P1dB vs Temperature
RF = 1950 MHz, IF = 240 MHz, LO = 0 dBm @1710 MHz
IF Frequency (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 8 of 9 March 2006
WJCI [ WJ COMMUNICATION. INC. ]
