Datasheet

10
50MHz to 500MHz Analog VGA, 1735MHz to 1935MHz
Upconverting Mixer with Image Filtering, Threshold
Alarm Circuit, and Error Amplifier for Level Control
MAX2091
Typical Operating Characteristics (continued)
(Typical Application Circuit configured for Mixer only (MIX_IN to RF_OUT), V
CC
= 5.5V, T
C
= +25NC, f
MIX_IN
= 350MHz, P
MIX_IN
=
-1dBm, f
LO
= 1485MHz, P
LO
= -7dBm, f
RF
= f
IF_IN
+ f
LO
, R
SOURCE
= R
LOAD
= 50I, CTRL1 = 1, CTRL2 = 0, ALM_THRES = ALM = open,
unless otherwise noted.)
LO PORT MATCH vs. LO FREQUENCY
MAX2091 toc35
LO FREQUENCY (MHz)
LO PORT MATCH (dB)
1450 1650
-20
-10
0
-30
1250 1850
T
C
= -40°C
T
C
= +95°C
T
C
= +25°C
LO PORT MATCH vs. LO FREQUENCY
MAX2091 toc36
LO FREQUENCY (MHz)
LO PORT MATCH (dB)
1450 1650
-20
-10
0
-30
1250 1850
P
LO
= -10dBm, -7dBm, -4dBm
LO PORT MATCH vs. LO FREQUENCY
MAX2091 toc37
LO FREQUENCY (MHz)
LO PORT MATCH (dB)
1450 1650
-20
-10
0
-30
1250 1850
V
CC
= 4.75V, 5.00V, 5.25V, 5.50V
NOISE FIGURE vs. IF FREQUENCY
MAX2091 toc38
IF FREQUENCY (MHz)
NOISE FIGURE (dB)
300 400
17
19
21
15
200 500
T
C
= +95°C
T
C
= +25°C
T
C
= -40°C
OUTPUT IP3 vs. RF FREQUENCY
MAX2091 toc41
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
1785 1885
23
25
27
21
1685 1985
P
IF
= -1dBm/TONE
T
C
= +95°C
T
C
= +25°C
T
C
= -40°C
NOISE FIGURE vs. IF FREQUENCY
MAX2091 toc39
IF FREQUENCY (MHz)
NOISE FIGURE (dB)
300 400
17
19
21
15
200 500
P
LO
= -7dBm
P
LO
= -10dBm
P
LO
= -4dBm
OUTPUT IP3 vs. RF FREQUENCY
MAX2091 toc42
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
1785 1885
23
25
27
21
1685 1985
P
LO
= -10dBm, -7dBm, -4dBm
P
IF
= -1dBm/TONE
NOISE FIGURE vs. IF FREQUENCY
MAX2091 toc40
IF FREQUENCY (MHz)
NOISE FIGURE (dB)
300 400
17
19
21
15
200 500
V
CC
= 4.75V, 5.00V, 5.50V, 5.80V
OUTPUT IP3 vs. RF FREQUENCY
MAX2091 toc43
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
1785 1885
23
25
27
21
1685 1985
V
CC
= 4.75V, 5.00V, 5.25V, 5.50V
P
IF
= -1dBm/TONE