Datasheet

MAX19995A
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
______________________________________________________________________________________ 15
55
50
45
40
1700 19001800 2000 2100 2200
CHANNEL ISOLATION vs. RF FREQUENCY
MAX19995A toc69
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
V
CC
= 3.0V, 3.3V, 3.6V
-30
-35
-40
-45
-50
2050 22502150 2350 2450 2550
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX19995A toc70
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
T
C
= -30°C
T
C
= +85°C
T
C
= +25°C
V
CC
= 3.3V
-30
-35
-40
-45
-50
2050 22502150 2350 2450 2550
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX19995A toc71
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
V
CC
= 3.3V
P
LO
= -3dBm, 0dBm, +3dBm
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX19995A toc72
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
235022502150 2450
-45
-40
-35
-30
-50
2050 2550
V
CC
= 3.3V
V
CC
= 3.0V
V
CC
= 3.6V
RF-TO-IF ISOLATION
vs. RF FREQUENCY
MAX19995A toc73
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
200019001800 2100
35
40
45
30
1700 2200
T
C
= +85°C
T
C
= +25°C
T
C
= -30°C
V
CC
= 3.3V
RF-TO-IF ISOLATION
vs. RF FREQUENCY
MAX19995A toc74
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
200019001800 2100
35
40
45
30
1700 2200
P
LO
= -3dBm, 0dBm, +3dBm
V
CC
= 3.3V
RF-TO-IF ISOLATION
vs. RF FREQUENCY
MAX19995A toc75
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
200019001800 2100
35
40
45
30
1700 2200
V
CC
= 3.0V, 3.3V, 3.6V
Typical Operating Characteristics (continued)
( Typical Application Circuit , R1 = R4 = 909Ω, R2 = R5 = 1kΩ, V
CC
= 3.3V, P
RF
= -5dBm, P
LO
= 0dBm, f
RF
= 1850MHz,
f
LO
= 2200MHz, f
IF
= 350MHz, T
C
= +25°C, unless otherwise noted.)
55
50
45
40
1700 19001800 2000 2100 2200
CHANNEL ISOLATION vs. RF FREQUENCY
MAX19995A toc67
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
V
CC
= 3.3V
T
C
= -30°C, +25°C, +85°C
55
50
45
40
1700 19001800 2000 2100 2200
CHANNEL ISOLATION vs. RF FREQUENCY
MAX19995A toc68
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
V
CC
= 3.3V
P
LO
= -3dBm, 0dBm, +3dBm