MH205A
LO Return Loss
LO = +17 dB m, 25 °C
High Linearity Cellular-Band MMIC Mixer
Typical Downconversion Performance Plots (cont’d)
Performance using the circuitry on the MH205A-PCB Evaluation Board
RF Return Loss
LO = +17 dB m, 25 °C
IF Return Loss
LO = +17 dB m, 25 °C
0
-5
LO Return Loss (dB)
RF Return Loss (dB)
-10
-15
-20
-25
700
750
800
LO Frequency (MHz)
850
0
-5
-10
-15
-20
-25
750
800
850
900
950
RF Frequency (MHz)
1000
IF Return Loss (dB)
0
-5
-10
-15
-20
-25
70
RF = 800 M Hz
RF = 900 M Hz
80
90
100
110
IF Frequency (MHz)
120
L-R Isolation vs Temperature
50
40
L-R Isolation (dB)
L-I Isolation (dB)
30
-40 °C
20
10
650
700
750
800
850
LO Frequency (MHz)
900
+25 °C
+85 °C
30
650
70
60
50
40
L-I Isolation vs Temperature
-40 °C
+25 °C
+85 °C
700
750
800
850
LO Frequency (MHz)
900
Intermodulation (IMD) Product Table
Performance using the circuitry on the MH205A-PCB Evaluation Board
Harmonics of f
LO
2
3
76
89
42
63
43
63
89
64
>93
>93
>93
>93
0
1
2
3
4
5
0
--
18
90
>93
>93
>93
1
57
0
75
>93
>93
>93
4
79
59
84
77
80
>93
5
85
64
83
>93
85
88
RF frequency = 940 MHz @ 0 dBm
LO Frequency = 870 MHz @ +17 dBm
IM product amplitude is in dBc relative to IF output amplitude.
The harmonics of f
LO
with 0*f
RF
are relative to the LO input signal (17 dBm).
Harmonics of f
RF
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 2007
WJCI [ WJ COMMUNICATION. INC. ]
