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MAX19995A
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
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CHANNEL ISOLATION
vs. RF FREQUENCY
MAX19995A toc19
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
2100200019001800
45
50
55
40
1700 2200
T
C
= -30
°
C, +25
°
C, +85
°
C
CHANNEL ISOLATION
vs. RF FREQUENCY
MAX19995A toc20
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
2100200019001800
45
50
55
40
1700 2200
P
LO
= -3dBm, 0dBm, +3dBm
CHANNEL ISOLATION
vs. RF FREQUENCY
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
2100200019001800
45
50
55
40
1700 2200
V
CC
= 4.75V, 5.0V, 5.25V
MAX19995A toc21
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
2450 2550235022502150
-30
-35
-25
-20
-40
2050
MAX19995A toc22
T
C
= -30
°
C
T
C
= +25
°
C
T
C
= +85
°
C
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
2450 2550235022502150
-30
-35
-25
-20
-40
2050
MAX19995A toc23
P
LO
= -3dBm, 0dBm, +3dBm
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
2450 2550235022502150
-30
-35
-25
-20
-40
2050
MAX19995A toc24
V
CC
= 4.75V
V
CC
= 5.25V
V
CC
= 5.0V
RF-TO-IF ISOLATION
vs. RF FREQUENCY
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
2100 2200200019001800
35
40
45
30
1700
MAX19995A toc25
T
C
= -30°C
T
C
= +25°C
T
C
= +85
°
C
RF-TO-IF ISOLATION
vs. RF FREQUENCY
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
2100 2200200019001800
35
40
45
30
1700
P
LO
= -3dBm, 0dBm, +3dBm
MAX19995A toc26
RF-TO-IF ISOLATION
vs. RF FREQUENCY
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
2100 2200200019001800
35
40
45
30
1700
MAX19995A toc27
V
CC
= 4.75V, 5.0V, 5.25V
Typical Operating Characteristics (continued)
(
Typical Application Circuit
, R1 = R4 = 681Ω, R2 = R5 = 1.5kΩ, V
CC
= 5.0V, P
RF
= -5dBm, P
LO
= 0dBm, f
RF
= 1850MHz,
f
LO
= 2200MHz, f
IF
= 350MHz, T
C
= +25°C, unless otherwise noted.)
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