Datasheet

250MHz to 4000MHz Dual,
Analog Voltage Variable Attenuator
MAX19790
5
Typical Operating Characteristics (continued)
(MAX19790 Evaluation Kit, two attenuators in cascade, V
CC
= +5.0V, P
RF
= -10dBm, T
C
= +25NC, V
CTRL
= +1.0V, unless otherwise noted.)
INPUT IP3 vs. V
CTRL
MAX19790 toc11
V
CTRL
(V)
INPUT IP3 (dBm)
32
25
30
35
40
45
20
1 4
P
IN
= -10dBm/TONE
950MHz
1500MHz
2150MHz
INPUT IP2 vs. V
CTRL
MAX19790 toc12
V
CTRL
(V)
INPUT IP2 (dBm)
32
50
60
70
80
90
40
1 4
f
RF
= 950MHz
P
IN
= -10dBm/TONE
T
C
= +25°C
T
C
= +85°C
T
C
= -40°C
INPUT IP2 vs. V
CTRL
MAX19790 toc13
V
CTRL
(V)
INPUT IP2 (dBm)
32
50
60
70
80
90
40
1 4
P
IN
= -10dBm/TONE
2150MHz
950MHz
1500MHz
INPUT P
1dB
vs. RF FREQUENCY
MAX19790 toc14
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
17501350
21
22
23
24
25
26
20
950 2150
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
INPUT IP3 vs. V
CTRL
MAX19790 toc10
V
CTRL
(V)
INPUT IP3 (dBm)
32
25
30
35
40
45
20
1 4
f
RF
= 950MHz
P
IN
= -10dBm/TONE
T
C
= +25°C
T
C
= +85°C
T
C
= -40°C
INPUT P
1dB
vs. RF FREQUENCY
MAX19790 toc15
RF FREQUENCY (MHz)
INPUT P
1dB
(dBm)
17501350
21
22
23
24
25
26
20
950 2150
V
CC
= 4.75V
V
CC
= 5.25V
V
CC
= 5.0V