Datasheet

MAX19997A
Dual, SiGe High-Linearity, 1800MHz to 2900MHz
Downconversion Mixer with LO Buffer
23
Maxim Integrated
Typical Operating Characteristics (continued)
( Typical Application Circuit , standard RF band (see Table 1), 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.)
SUPPLY CURRENT vs. TEMPERATURE (T
C
)
(RF > LO, STANDARD RF BAND)
MAX19997A toc114
SUPPLY CURRENT (mA)
25 45 655-15
370
360
390
380
400
350
-35 85
TEMPERATURE (°C)
V
CC
= 5.25V
V
CC
= 5.0V
V
CC
= 4.75V
IF PORT RETURN LOSS vs. IF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc112
IF PORT RETURN LOSS (dB)
320 410230140
15
25
20
5
10
0
30
50 500
IF FREQUENCY (MHz)
f
LO
= 2250MHz
f
LO
= 2650MHz
f
LO
= 1850MHz
LO PORT RETURN LOSS vs. LO FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc113
LO PORT RETURN LOSS (dB)
2650 2900 315024002150
15
20
5
10
0
25
1900
3400
LO FREQUENCY (MHz)
P
LO
= +3dBm
P
LO
= 0dBm
P
LO
= -3dBm
IF PORT RETURN LOSS vs. IF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc111
IF PORT RETURN LOSS (dB)
320 410230140
15
25
20
5
10
0
30
50 500
IF FREQUENCY (MHz)
f
LO
= 2250MHz
V
CC
= 4.75V, 5.0V, 5.25V
RF PORT RETURN LOSS vs. RF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc110
RF PORT RETURN LOSS (dB)
280026002400
15
25
20
5
10
0
30
2200 3000
RF FREQUENCY (MHz)
P
LO
= -3dBm, 0dBm, +3dBm
f
IF
= 350MHz