MH205A
MH205A
LO
PIN 2
High Linearity Cellular-Band MMIC Mixer
Typical Downconversion Performance Plots
Performance using the circuitry on the MH205A-PCB Evaluation Board
L1
27 nH
PIN 7
IF
C2
5.6 pF
RF
C1
12 pF
L2
15 nH
Circuit Board Material: .014” FR-4, 4 layers, .062” total thickness
All passive components are 0402 size.
All other pins on mixer are grounded.
Input IP3 vs RF Frequency vs Temperature
Low -side Dow nconversion, LO = +17 dBm , IF = 70 MHz
Input IP3 vs RF Frequency vs IF Frequency
Low -side Dow nconversion, LO = +17 dBm , 25 °C
Input IP3 vs RF Frequency vs LO Power
Low -side Dow nconversion, IF = 70 M Hz, 25 °C
38
36
Input IP3 (dBm)
Input IP3 (dBm)
34
32
30
28
750
800
850
900
950
1000
38
36
34
32
30
28
750
800
850
900
950
1000
38
36
Input IP3 (dBm)
34
32
30
28
750
800
850
900
LO = 15 dBm
LO = 17 dBm
LO = 19 dBm
IF = 70 M Hz
IF = 120 M H z
-40 °C
+25 °C
+85 °C
950
1000
RF Frequency (MHz)
Conv. Loss vs RF Frequency vs IF Frequency
Low -side Dow nconversion, LO = +17 dBm , 25 °C
RF Frequency (MHz)
Conv. Loss vs RF Frequency vs Temperature
Low -side Dow nconversion, LO = +17 dBm , IF = 70 MHz
RF Frequency (MHz)
Conv. Loss vs RF Frequency vs LO Power
Low -side Dow nconversion, IF = 70 M Hz, 25 °C
9
8
Conversion Loss (dB)
Conversion Loss (dB)
7
6
5
4
750
800
850
900
950
1000
9
8
7
6
5
4
750
800
850
900
950
1000
9
8
Conversion Loss (dB)
7
6
5
4
750
800
850
900
950
1000
IF = 70 M Hz
IF = 120 M H z
-40 °C
+25 °C
+85 °C
LO = 15 dBm
LO = 17 dBm
LO = 19 dBm
RF Frequency (MHz)
RF Frequency (MHz)
RF Frequency (MHz)
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 2 of 4 May 2007
WJCI [ WJ COMMUNICATION. INC. ]
