MAX9985 Maxim Integrated Products, MAX9985 Datasheet - Page 7

• Manufacturer Part Number: MAX9985
• Description: Downconversion Mixer
• Manufacturer: Maxim Integrated Products

(Using the Typical Application Circuit , V
wise noted.)
-10
-15
-20
-25
-30
-35
-40
Dual, SiGe, High-Linearity, 700MHz to 1000MHz
60
55
50
45
40
35
30
60
55
50
45
40
35
30
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
600
700
700
CHANNEL ISOLATION vs. RF FREQUENCY
Downconversion Mixer with LO Buffer/Switch
T
T
C
C
650
= +25°C
= +85°C
T
C
RF-TO-IF ISOLATION
T
vs. RF FREQUENCY
LO FREQUENCY (MHz)
T
C
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
= -30°C, +25°C, +85°C
700
C
800
800
= -30°C
= +85°C
T
C
= -30°C
750
_______________________________________________________________________________________
_______________________________________________________________________________________
800
T
900
900
C
= +25°C
850
1000
1000
900
CC
= 5.0V, P
-10
-15
-20
-25
-30
-35
-40
60
55
50
45
40
35
30
60
55
50
45
40
35
30
Typical Operating Characteristics (continued)
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
600
700
700
CHANNEL ISOLATION vs. RF FREQUENCY
LO
650
= 0dBm, P
P
LO
P
RF-TO-IF ISOLATION
vs. RF FREQUENCY
LO
LO FREQUENCY (MHz)
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
700
= -3dBm, 0dBm, +3dBm
800
800
= -3dBm, 0dBm, +3dBm
750
RF
= -5dBm, f
P
P
LO
LO
800
900
900
= +3dBm
= -3dBm
P
LO
850
= 0dBm
RF
1000
1000
900
> f
LO
, f
IF
-10
-15
-20
-25
-30
-35
-40
= 100MHz, T
60
55
50
45
40
35
30
60
55
50
45
40
35
30
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
600
700
700
CHANNEL ISOLATION vs. RF FREQUENCY
650
V
V
CC
CC
V
V
RF-TO-IF ISOLATION
CC
= 5.25V
= 4.75V
vs. RF FREQUENCY
LO FREQUENCY (MHz)
CC
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
C
700
800
800
= 4.75V, 5.0V, 5.25V
= +25°C, unless other-
= 4.75V, 5.0V, 5.25V
750
V
CC
= 5.0V
800
900
900
850
1000
1000
900
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