User Manual

Typical Operating Characteristics (continued)
( Typical Application Circuit, V
CC
= +3.3V, LO is low-side injected for a 350MHz IF, P
LO
= 0dBm, P
RF
= -5dBm, T
C
=+25°C, unless
otherwise noted.)
MAX19999
Dual, SiGe High-Linearity, 3000MHz to
4000MHz Downconversion Mixer with LO Buffer
14 ______________________________________________________________________________________
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
MAX19999 toc68
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
35003100
-40
-30
-20
-10
-50
2700 3900
T
C
= -30°C, +25°C, +85°C
V
CC
= 3.3V
-50
-40
-30
-20
-10
2700 3100 3500 3900
2LO LEAKAGE AT RF PORT vs.
LO FREQUENCY
MAX19999 toc69
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
V
CC
= 3.3V
P
LO
= -3dBm, 0dBm, +3dBm
-50
-40
-30
-20
-10
2700 3100 3500 3900
2LO LEAKAGE AT RF PORT vs.
LO FREQUENCY
MAX19999 toc70
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
V
CC
= 3.0V, 3.3V, 3.6V
30
20
25
10
15
5
0
3000 4000
RF PORT RETURN LOSS vs.
RF FREQUENCY
MAX19999 toc71
RF FREQUENCY (MHz)
RF PORT RETURN LOSS (dB)
34003200 3600 3800
V
CC
= 3.3V f
IF
= 350MHz
P
LO
= -3dBm, 0dBm, +3dBm
30
20
25
10
15
5
0
50 500
IF PORT RETURN LOSS vs.
IF FREQUENCY
MAX19999 toc72
IF FREQUENCY (MHz)
IF PORT RETURN LOSS (dB)
230140 320 410
f
LO
= 3200MHz
V
CC
= 3.0V, 3.3V, 3.6V
25
20
10
15
5
0
LO PORT RETURN LOSS vs.
LO FREQUENCY
MAX19999 toc73
LO FREQUENCY (MHz)
LO PORT RETURN LOSS (dB)
2650 31502900 3400 3650
V
CC
= 3.3V
P
LO
= -3dBm
P
LO
= +3dBm
P
LO
= 0dBm
240
260
250
280
270
290
300
SUPPLY CURRENT vs.
TEMPERATURE (T
C
)
MAX19999 toc74
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
-35 5 25-15 45 65 85
V
CC
= 3.6V
V
CC
= 3.0V
V
CC
= 3.3V