Datasheet

Typical Operating Characteristics (continued)
(MAX9984 Typical Application Circuit, using component values in Table 1, V
CC
= +5.0V, P
LO
= 0dBm, P
RF
= -5dBm, f
RF
> f
LO
, f
IF
=
160MHz, unless otherwise noted.)
40
45
55
50
60
540 640 740 840 940
LO SWITCH ISOLATION
vs. LO FREQUENCY
MAX9984 toc20
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
P
LO
= -3dBm, 0dBm, +3dBm
40
45
55
50
60
540 640 740 840 940
LO SWITCH ISOLATION
vs. LO FREQUENCY
MAX9984 toc19
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
T
C
= -25°C, -40°C
T
C
= +25°C
T
C
= +85°C
40
45
55
50
60
540 640 740 840 940
LO SWITCH ISOLATION
vs. LO FREQUENCY
MAX9984 toc21
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
V
CC
= 4.75V, 5.0V, 5.25V
-40
-35
-20
-25
-30
-10
-15
540 640 740 840 940
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX9984 toc22
LO FREQUENCY (MHz)
LO LEAKAGE (dBm)
T
C
= -25°C, -40°C
T
C
= +25°C
T
C
= +85°C
-40
-35
-20
-25
-30
-10
-15
540 640 740 840 940
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX9984 toc23
LO FREQUENCY (MHz)
LO LEAKAGE (dBm)
P
LO
= -3dBm
P
LO
= 0dBm, +3dBm
-40
-35
-20
-25
-30
-10
-15
540 640 740 840 940
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX9984 toc24
LO FREQUENCY (MHz)
LO LEAKAGE (dBm)
V
CC
= 4.75V
V
CC
= 5.25V
V
CC
= 5.0V
-50
-40
-30
-10
-20
540 640 740 840 940
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX9984 toc25
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
T
C
= -25°C, -40°C
T
C
= +85°C
T
C
= +25°C
-50
-40
-30
-10
-20
540 640 740 840 940
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX9984 toc26
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
P
LO
= -3dBm, 0dBm, +3dBm
-50
-40
-30
-10
-20
540 640 740 840 940
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX9984 toc27
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
V
CC
= 4.75V, 5.0V, 5.25V
MAX9984
SiGe High-Linearity, 400MHz to 1000MHz
Downconversion Mixer with LO Buffer/Switch
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