Datasheet

MAX2039
High-Linearity, 1700MHz to 2200MHz Upconversion/
Downconversion Mixer with LO Buffer/Switch
8 _______________________________________________________________________________________
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX2039 toc28
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
22502100195018001650
20
25
30
35
40
45
50
1500 2400
T
C
= +25
°
C
T
C
= +85
°
C
T
C
= -35
°
C
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX2039 toc29
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
22502100195018001650
20
25
30
35
40
45
50
1500 2400
P
LO
= -3dBm, 0dBm, +3dBm
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX2039 toc30
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
22502100195018001650
20
25
30
35
40
45
50
1500 2400
V
CC
= 4.75V, 5.0V, 5.25V
RF PORT RETURN LOSS
vs. RF FREQUENCY
MAX2039 toc31
RF FREQUENCY (MHz)
RF PORT RETURN LOSS (dB)
22502100195018001650
35
30
25
20
15
10
5
0
40
1500 2400
P
LO
= -3dBm, 0dBm, +3dBm
IF PORT RETURN LOSS
vs. IF FREQUENCY
MAX2039 toc32
IF FREQUENCY (MHz)
IF PORT RETURN LOSS (dB)
350300200 250150100
45
40
35
30
25
20
15
10
5
0
50
50
V
CC
= 4.75V, 5.0V, 5.25V
LO SELECTED RETURN LOSS
vs. LO FREQUENCY
MAX2039 toc33
LO FREQUENCY (MHz)
LO SELECTED RETURN LOSS (dB)
21001500 19001700
35
30
25
20
15
10
5
0
40
1300 2300
P
LO
= +3dBm
P
LO
= 0dBm
P
LO
= -3dBm
LO UNSELECTED RETURN LOSS
vs. LO FREQUENCY
MAX2039 toc34
LO FREQUENCY (MHz)
LO UNSELECTED RETURN LOSS (dB)
21001500 19001700
50
40
30
20
0
10
60
1300 2300
P
LO
= -3dBm, 0dBm, +3dBm
SUPPLY CURRENT
vs. TEMPERATURE (T
C
)
MAX2039 toc 35
TEMPERATURE (°C)
SUPPLY CUIRRENT (mA)
6545255-15
80
90
100
110
120
130
70
-35 85
V
CC
= 5.25V
V
CC
= 5.0V
V
CC
= 4.75V
Typical Operating Characteristics (continued)
(MAX2039 Typical Application Circuit, V
CC
= +5.0V, P
LO
= 0dBm, P
RF
= 0dBm, f
RF
> f
LO
, f
IF
= 200MHz, R
1
= 549Ω, unless other-
wise noted.)
Downconverter Curves