Datasheet

MAX19995
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
16 ______________________________________________________________________________________
CHANNEL ISOLATION vs. RF FREQUENCY
MAX19995 toc67
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
230021001900
45
40
35
50
55
60
30
1700 2500
T
C
= -30°C, +25°C, +85°C
CHANNEL ISOLATION vs. RF FREQUENCY
MAX19995 toc68
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
230021001900
45
40
35
50
55
60
30
1700 2500
P
LO
= -3dBm, 0dBm, +3dBm
CHANNEL ISOLATION vs. RF FREQUENCY
MAX19995 toc69
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
230021001900
45
40
35
50
55
60
30
1700 2500
V
CC
= 4.75V, 5.0V, 5.25V
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX19995 toc70
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
210019001700
-35
-40
-45
-30
-25
-20
-50
1500 2300
T
C
= +85°C
T
C
= -30°C, +25°C
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX19995 toc71
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
210019001700
-35
-40
-45
-30
-25
-20
-50
1500 2300
P
LO
= -3dBm, 0dBm, +3dBm
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
MAX19995 toc72
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
210019001700
-35
-40
-45
-30
-25
-20
-50
1500 2300
V
CC
= 5.25V
V
CC
= 4.75V
V
CC
= 5.0V
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX19995 toc73
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
230021001900
40
35
45
50
30
1700 2500
T
C
= -30°C, +25°C, +85°C
Typical Operating Characteristics (continued)
( Typical Application Circuit , optimized for the UMTS band, R1 = R4 = 681Ω, R2 = R5 = 1.5kΩ, V
CC
= +5.0V, P
LO
= 0dBm,
P
RF
= -5dBm, LO is low-side injected for a 190MHz IF, T
C
= +25°C, unless otherwise noted.)
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX19995 toc74
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
230021001900
40
35
45
50
30
1700 2500
P
LO
= -3dBm, 0dBm, +3dBm
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX19995 toc75
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
230021001900
40
35
45
50
30
1700 2500
V
CC
= 4.75V, 5.0V, 5.25V