
MAX2091
50MHz to 500MHz Analog VGA, 1735MHz to 1935MHz
Upconverting Mixer with Image Filtering, Threshold
Alarm Circuit, and Error Amplifier for Level Control
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 = +25 N C, 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 = 50 I , CTRL1 = 1 CTRL2 = 0, ALM_THRES = ALM = open, unless otherwise noted.)
-20
2LO LEAKAGE AT RF PORT
vs. IF FREQUENCY
-20
2LO LEAKAGE AT RF PORT
vs. IF FREQUENCY
-20
2LO LEAKAGE AT RF PORT
vs. IF FREQUENCY
-30
T C = +25°C
T C = -40°C
-30
P LO = -10dBm
P LO = -7dBm
-30
V CC = 4.75V, 5.00V, 5.25V, 5.50V
-40
-50
T C = +95°C
-40
-50
P LO = -4dBm
-40
-50
200
300
400
500
200
300
400
500
200
300
400
500
50
IF FREQUENCY (MHz)
3LO + IF AT RF PORT
vs. IF FREQUENCY
50
IF FREQUENCY (MHz)
3LO + IF AT RF PORT
vs. IF FREQUENCY
50
IF FREQUENCY (MHz)
3LO + IF AT RF PORT
vs. IF FREQUENCY
40
T C = -40°C, +25°C, +95°C
40
P LO = -10dBm, -7dBm, -4dBm
40
V CC = 4.75V, 5.00V, 5.25V, 5.50V
30
20
30
20
30
20
200
300
400
500
200
300
400
500
200
300
400
500
90
80
IF FREQUENCY (MHz)
LO + 2IF AT RF PORT vs. IF FREQUENCY
90
80
IF FREQUENCY (MHz)
LO + 2IF AT RF PORT vs. IF FREQUENCY
90
80
IF FREQUENCY (MHz)
LO + 2IF AT RF PORT vs. IF FREQUENCY
70
T C = -40°C
T C = +25°C
70
P LO = -4dBm
70
V CC = 4.75V, 5.00V, 5.25V, 5.50V
P LO = -7dBm
60
60
60
50
40
T C = +95°C
50
40
P LO = -10dBm
50
40
200
300
400
500
200
300
400
500
200
300
400
500
IF FREQUENCY (MHz)
IF FREQUENCY (MHz)
IF FREQUENCY (MHz)
19