Datasheet
20
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 Full Cascade with interstage attenuator network (IF_IN to RF_OUT), analog attenuator
set to maximum gain (V
PLVLSET
= 2.5V), V
CC
= 5.5V, T
C
= +25NC, f
IF_IN
= 350MHz, P
IF_IN
= -25dBm, 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 - 2IF AT RF PORT vs. IF FREQUENCY
MAX2091 toc125
IF FREQUENCY (MHz)
LO - 2IF AT RF PORT (dBc)
300 400
70
60
50
80
90
40
200 500
T
C
= -40°C
T
C
= +95°C
T
C
= +25°C
LO - 2IF AT RF PORT vs. IF FREQUENCY
MAX2091 toc126
IF FREQUENCY (MHz)
LO - 2IF AT RF PORT (dBc)
300 400
70
60
50
80
90
40
200 500
P
LO
= -10dBm, -7dBm, -4dBm
LO - 2IF AT RF PORT vs. IF FREQUENCY
MAX2091 toc127
IF FREQUENCY (MHz)
LO - 2IF AT RF PORT (dBc)
300 400
70
60
50
80
90
40
200 500
V
CC
= 4.75V, 5.00V, 5.25V, 5.50V
LO + 3IF AT RF PORT vs. IF FREQUENCY
MAX2091 toc128
IF FREQUENCY (MHz)
LO + 3IF AT RF PORT (dBc)
300 400
70
60
80
90
50
200 500
T
C
= -40°C, +25°C, +95°C
LO - 3IF AT RF PORT vs. IF FREQUENCY
MAX2091 toc131
IF FREQUENCY (MHz)
LO - 3IF AT RF PORT (dBc)
300 400
80
70
60
90
100
50
200 500
MEASUREMENT NOISE FLOOR APPROX 82dBc
T
C
= -40°C, +25°C, +95°C
LO + 3IF AT RF PORT vs. IF FREQUENCY
MAX2091 toc129
IF FREQUENCY (MHz)
LO + 3IF AT RF PORT (dBc)
300 400
70
60
80
90
50
200 500
P
LO
= -10dBm, -7dBm, -4dBm
LO - 3IF AT RF PORT vs. IF FREQUENCY
MAX2091 toc132
IF FREQUENCY (MHz)
LO - 3IF AT RF PORT (dBc)
300 400
80
70
60
90
100
50
200 500
MEASUREMENT NOISE FLOOR APPROX 82dBc
P
LO
= -10dBm, -7dBm, -4dBm
LO + 3IF AT RF PORT vs. IF FREQUENCY
MAX2091 toc130
IF FREQUENCY (MHz)
LO + 3IF AT RF PORT (dBc)
300 400
70
60
80
90
50
200 500
V
CC
= 4.75V, 5.00V, 5.25V, 5.50V
LO - 3IF AT RF PORT vs. IF FREQUENCY
MAX2091 toc133
IF FREQUENCY (MHz)
LO - 3IF AT RF PORT (dBc)
300 400
80
70
60
90
100
50
200 500
MEASUREMENT NOISE FLOOR APPROX 82dBc
V
CC
= 4.75V, 5.00V, 5.25V, 5.50V