CV211-1A
The Communications Edge
TM
Product Information
PCS/DCS-band Dual-Branch Downconverter
CV211-1APCB240 Application Circuit Performance Plots (cont’d)
L-I Isolation vs LO Frequency
Referenced with LO = 0 dBm
L-R Isolation vs LO Frequency
Referenced with LO = 0 dBm
40
35
30
25
20
15
1400
-40 deg C
+25 deg C
+85 deg C
25
L-R Isolation (dB)
20
15
10
5
0
1400
-40 deg C
+25 deg C
+85 deg C
L-I Isolation (dB)
1500
1600
1700
1800
1900
2000
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
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
1700
1750
1800
1850
1900
1950
2000
Return Loss (dB)
0
5
10
15
20
25
30
1400
1500
1600
1700
1800
1900
2000
IF Frequency (MHz)
Noise Figure vs Temperature
RF Frequency (MHz)
Input P1dB vs Temperature
LO Frequency (MHz)
RF = 1880 MHz, IF = 240 MHz, LO = 0 dBm @1640 MHz
RF = 1880 MHz, IF = 240 MHz, LO = 0 dBm @1640 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 6 December 2005
WJCI [ WJ COMMUNICATION. INC. ]
