Datasheet
14
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.)
2RF AT RF PORT vs. IF FREQUENCY
MAX2091 toc71
IF FREQUENCY (MHz)
2RF AT RF PORT (dBc)
400300
60
70
80
90
50
200 500
T
C
= -40°C, +25°C, +95°C
MEASUREMENT NOISE FLOOR APPROX 82dBc
2RF AT RF PORT vs. IF FREQUENCY
MAX2091 toc72
IF FREQUENCY (MHz)
2RF AT RF PORT (dBc)
400300
60
70
80
90
50
200 500
P
LO
= -10dBm, -7dBm, -4dBm
MEASUREMENT NOISE FLOOR APPROX 82dBc
2RF AT RF PORT vs. IF FREQUENCY
MAX2091 toc73
IF FREQUENCY (MHz)
2RF AT RF PORT (dBc)
400300
60
70
80
90
50
200 500
V
CC
= 5.50V
V
CC
= 5.25V
V
CC
= 5.00V
V
CC
= 4.75V
MEASUREMENT NOISE FLOOR APPROX 82dBc
3RF AT RF PORT vs. IF FREQUENCY
MAX2091 toc74
IF FREQUENCY (MHz)
3RF AT RF PORT (dBc)
400300
70
80
90
100
60
200 500
T
C
= -40°C
T
C
= +95°C
T
C
= +25°C
MEASUREMENT NOISE FLOOR APPROX 82dBc
IF-TO-RF ISOLATION vs. IF FREQUENCY
MAX2091 toc77
IF FREQUENCY (MHz)
IF-TO-RF ISOLATION (dB)
300 400
50
60
70
40
200 500
T
C
= +95°C
T
C
= -40°C
T
C
= +25°C
3RF AT RF PORT vs. IF FREQUENCY
MAX2091 toc75
IF FREQUENCY (MHz)
3RF AT RF PORT (dBc)
400300
70
80
90
100
60
200 500
P
LO
= -10dBm, -7dBm, -4dBm
MEASUREMENT NOISE FLOOR APPROX 82dBc
IF-TO-RF ISOLATION vs. IF FREQUENCY
MAX2091 toc78
IF FREQUENCY (MHz)
IF-TO-RF ISOLATION (dB)
300 400
50
60
70
40
200 500
P
LO
= -4dBm
P
LO
= -7dBm
P
LO
= -10dBm
3RF AT RF PORT vs. IF FREQUENCY
MAX2091 toc76
IF FREQUENCY (MHz)
3RF AT RF PORT (dBc)
400300
70
80
90
100
60
200 500
V
CC
= 5.50V
V
CC
= 5.25V
V
CC
= 5.00V
V
CC
= 4.75V
MEASUREMENT NOISE FLOOR APPROX 82dBc
IF-TO-RF ISOLATION vs. IF FREQUENCY
MAX2091 toc79
IF FREQUENCY (MHz)
IF-TO-RF ISOLATION (dB)
300 400
50
60
70
40
200 500
V
CC
= 4.75V, 5.00V, 5.25V, 5.50V