Datasheet

MAX2029
High-Linearity, 815MHz to 1000MHz Upconversion/
Downconversion Mixer with LO Buffer/Switch
8 _______________________________________________________________________________________
Downconverter Curves
Typical Operating Characteristics (continued)
( Typical Application Circuit , C5 = 3.3pF, L1 and C4 not used, V
CC
= +5.0V, P
LO
= 0dBm, P
RF
= 0dBm, f
LO
< f
RF
, f
IF
= 90MHz, unless
otherwise noted.)
30
40
35
50
45
55
60
800 900850 950 1000
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX2029 toc28
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
30
40
35
50
45
55
60
800 900850 950 1000
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX2029 toc29
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
P
LO
= -3dBm, 0dBm, +3dBm
30
40
35
50
45
55
60
800 900850 950 1000
RF-TO-IF ISOLATION vs. RF FREQUENCY
MAX2029 toc30
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
V
CC
= 4.75V, 5.0V, 5.25V
30
20
25
10
15
5
0
770 870820 920 970 1020
RF PORT RETURN LOSS
vs. RF FREQUENCY
MAX2029 toc31
RF FREQUENCY (MHz)
RF PORT RETURN LOSS (dB)
P
LO
= -3dBm, 0dBm, +3dBm
40
35
30
25
20
15
10
5
0
0 100 200 300 400 500
IF PORT RETURN LOSS
vs. IF FREQUENCY
MAX2029 toc32
IF FREQUENCY (MHz)
IF PORT RETURN LOSS (dB)
V
CC
= 4.75V, 5.0V, 5.25V
INCLUDES IF TRANSFORMER
40
35
30
25
20
15
10
5
0
500 600 700 800 900 1000
LO SELECTED RETURN LOSS
vs. LO FREQUENCY
MAX2029 toc33
LO FREQUENCY (MHz)
LO SELECTED RETURN LOSS (dB)
P
LO
= -3dBm
P
LO
= +3dBm
P
LO
= 0dBm
40
35
30
25
20
15
10
5
0
500 600 700 800 900 1000
LO UNSELECTED RETURN LOSS
vs. LO FREQUENCY
MAX2029 toc34
LO FREQUENCY (MHz)
LO UNSELECTED RETURN LOSS (dB)
P
LO
= -3dBm, 0dBm, +3dBm
60
70
80
90
100
-40 10-15 35 60 85
SUPPLY CURRENT vs. TEMPERATURE (T
C
)
MAX2029 toc35
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
V
CC
= 5.25V
V
CC
= 4.75V
V
CC
= 5.0V