Datasheet

MAX19995
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
22 ______________________________________________________________________________________
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19995 toc117
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
2000 220018001600
-50
-40
-60
-30
-20
-70
1400 2400
T
C
= -30°C
T
C
= +85°C
T
C
= +25°C
V
CC
= 3.3V
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19995 toc118
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
2000 220018001600
-50
-40
-60
-30
-20
-70
1400 2400
P
LO
= -3dBm, 0dBm, +3dBm
V
CC
= 3.3V
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19995 toc119
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
2000 220018001600
-50
-40
-60
-30
-20
-70
1400 2400
V
CC
= 3.6V
V
CC
= 3.0V
V
CC
= 3.3V
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19995 toc120
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
22001800 20001600
-40
-50
-20
-30
-10
-60
1400 2400
T
C
= -30°C, +25°C, +85°C
V
CC
= 3.3V
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19995 toc121
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
22001800 20001600
-40
-50
-20
-30
-10
-60
1400 2400
V
CC
= 3.3V
P
LO
= -3dBm, 0dBm, +3dBm
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19995 toc122
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
22001800 20001600
-40
-50
-20
-30
-10
-60
1400 2400
V
CC
= 3.6V
V
CC
= 3.0V
V
CC
= 3.3V
Typical Operating Characteristics (continued)
( Typical Application Circuit , R1 = R4 = 909Ω, R2 = R5 = 2.49kΩ, V
CC
= +3.3V, P
LO
= 0dBm, P
RF
= -5dBm, LO is low-side injected
for a 190MHz IF, T
C
= +25°C, unless otherwise noted.)
LO SWITCH ISOLATION
vs. LO FREQUENCY
MAX19995 toc123
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
2000 21501700 18501550
50
60
70
40
1400 2300
T
C
= +85°C
T
C
= -30°C
T
C
= +25°C
V
CC
= 3.3V
LO SWITCH ISOLATION
vs. LO FREQUENCY
MAX19995 toc124
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
2000 21501700 18501550
50
60
70
40
1400 2300
V
CC
= 3.3V
P
LO
= -3dBm, 0dBm, +3dBm
LO SWITCH ISOLATION
vs. LO FREQUENCY
MAX19995 toc125
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
2000 21501700 18501550
50
60
70
40
1400 2300
V
CC
= 3.0V, 3.3V, 3.6V