User Manual

Typical Operating Characteristics (continued)
( Typical Application Circuit , V
CC
= +5.0V, 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
_______________________________________________________________________________________ 9
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
MAX19999 toc28
2700 3100 3500 3900
-50
-40
-30
-20
-10
T
C
= -30°C, +25°C, +85°C
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
MAX19999 toc29
2700 3100 3500 3900
-50
-40
-30
-20
-10
P
LO
= -3dBm, 0dBm, +3dBm
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT (dBm)
MAX19999 toc30
2700 3100 3500 3900
-50
-40
-30
-20
-10
V
CC
= 4.75V, 5.0V, 5.25V
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
MAX19999 toc31
2700 3100 3500 3900
-50
-40
-30
-20
-10
T
C
= -30°C, +25°C, +85°C
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
MAX19999 toc32
2700 3100 3500 3900
-50
-40
-30
-20
-10
P
LO
= -3dBm, 0dBm, +3dBm
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT (dBm)
MAX19999 toc33
2700 3100 3500 3900
-50
-40
-30
-20
-10
V
CC
= 4.75V, 5.0V, 5.25V
RF PORT RETURN LOSS
vs. RF FREQUENCY
RF FREQUENCY (MHz)
RF PORT RETURN LOSS (dB)
MAX19999 toc34
3000 3200 3400 3600 3800 4000
30
25
20
15
10
5
0
P
LO
= -3dBm, 0dBm, +3dBm
f
IF
= 350MHz
IF PORT RETURN LOSS vs. IF FREQUENCY
IF FREQUENCY (MHz)
IF PORT RETURN LOSS (dB)
MAX19999 toc35
50 140 230 320 410 500
30
25
20
15
10
5
0
f
LO
= 3200MHz
V
CC
= 4.75V, 5.0V, 5.25V