
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 AGC amp only (IF_IN to IF_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, R SOURCE = R LOAD = 50 I , CTRL1 = 1, CTRL2 = 0, ALM_THRES = ALM =
open, unless otherwise noted.)
19
OUTPUT P 1dB vs. IF FREQUENCY
45
OUTPUT IP3 vs. IF FREQUENCY
P OUT = 0dBm/TONE
T C = -40°C
45
OUTPUT IP3 vs. IF FREQUENCY
P OUT = 0dBm /TONE
V CC = 5.80V
18
V CC = 5.00V, 5.50V, 5.80V
40
40
V CC = 5.50V
T C = +25°C
17
V CC = 4.75V
35
T C = +95°C
35
V CC = 5.00V
V CC = 4.75V
16
30
30
200
300
400
500
200
300
400
500
200
300
400
500
IF FREQUENCY (MHz)
OUTPUT IP3 vs. V PLVSET SETTING
IF FREQUENCY (MHz)
2ND HARMONIC vs. IF FREQUENCY
IF FREQUENCY (MHz)
2ND HARMONIC vs. IF FREQUENCY
45
40
T C = -40°C LSB f IF = 350MHz
P OUT = 0dBm/TONE
T C = -40°C USB T C = +25°C LSB
90
80
T C = +25°C
P OUT = 0dBm
90
80
P OUT = 0dBm
V CC = 5.00V
V CC = 5.50V
70
T C = -40°C
70
35
T C = +95°C LSB
T C = +95°C USB
T C = +25°C USB
60
50
T C = +95°C
60
50
V CC = 5.80V V CC = 4.75V
30
0.600
1.075
1.550
2.025
2.500
40
200
300
400
500
40
200
300
400
500
V PLVSET (V)
2ND HARMONIC vs. V PLVSET SETTING
IF FREQUENCY (MHz)
3RD HARMONIC vs. IF FREQUENCY
IF FREQUENCY (MHz)
3RD HARMONIC vs. IF FREQUENCY
90
f IF = 350MHz
P OUT = 0dBm
110
P OUT = 0dBm
110
P OUT = 0dBm
80
100
T C = -40°C
100
70
T C = -40°C
90
T C = +25°C
90
V CC = 5.50V, 5.80V
60
80
80
50
T C = +25°C
T C = +95°C
70
T C = +95°C
70
V CC = 5.00V
V CC = 4.75V
40
0.600
1.075
1.550
2.025
2.500
60
200
300
400
500
60
200
300
400
500
V PLVSET (V)
IF FREQUENCY (MHz)
IF FREQUENCY (MHz)
7