Datasheet
MAX9930–MAX9933
2MHz to 1.6GHz 45dB RF-Detecting
Controllers and RF Detector
_______________________________________________________________________________________
5
MAX9930
LOG INTERCEPT vs. V
CC
MAX9930 toc10
V
CC
(V)
LOG INTERCEPT (dBm)
5.04.54.03.53.0
-69
-67
-65
-63
-61
-59
-57
-71
2.5 5.5
2MHz
50MHz
900MHz
1.6GHz
MAX9930
LOG CONFORMANCE vs. TEMPERATURE
MAX9930 toc11
TEMPERATURE (
°
C)
ERROR (dB)
7550250-25
-0.5
-0.4
-0.3
-0.2
-0.1
0
-0.6
-50 100
INPUT POWER = -22dBm
f
RF
= 50MHz
MAX9931
SET vs. INPUT POWER
MAX9930 toc12
INPUT POWER (dBm)
SET (V)
100-40 -30 -20 -10
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0.2
-50 20
1.6GHz
900MHz
2MHz
50MHz
MAX9931
LOG CONFORMANCE vs. INPUT POWER
MAX9930 toc13
INPUT POWER (dBm)
ERROR (dB)
100-40 -30 -20 -10
-3
-2
-1
0
1
2
3
4
-4
-50 20
1.6GHz
900MHz
2MHz
50MHz
MAX9931
SET AND LOG CONFORMANCE
vs. INPUT POWER AT 2MHz
MAX9930 toc14
INPUT POWER (dBm)
SET (V)
100-40 -30 -20 -10
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0.2
ERROR (dB)
-3
-2
-1
0
1
2
3
4
-4
-50 20
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +85
°
C
MAX9931
SET AND LOG CONFORMANCE
vs. INPUT POWER AT 50MHz
MAX9930 toc15
INPUT POWER (dBm)
SET (V)
100-40 -30 -20 -10
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0.2
ERROR (dB)
-3
-2
-1
0
1
2
3
4
-4
-50 20
T
A
= -40
°
C
T
A
= +25
°
C
T
A
= +85
°
C
MAX9931
SET AND LOG CONFORMANCE
vs. INPUT POWER AT 900MHz
MAX9930 toc16
INPUT POWER (dBm)
SET (V)
100-40 -30 -20 -10
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0.2
ERROR (dB)
-3
-2
-1
0
1
2
3
4
-4
-50 20
T
A
= -40
°
C
T
A
= +25°C
T
A
= +85°C
MAX9931
SET AND LOG CONFORMANCE
vs. INPUT POWER AT 1.6GHz
MAX9930 toc17
INPUT POWER (dBm)
SET (V)
100-40 -30 -20 -10
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0.2
ERROR (dB)
-3
-2
-1
0
1
2
3
4
-4
-50 20
T
A
= -40
°
C
T
A
= +25°C
T
A
= +85°C
MAX9931
LOG SLOPE vs. FREQUENCY
MAX9930 toc18
FREQUENCY (MHz)
LOG SLOPE (mV/dB)
15001200900600300
24
25
26
27
28
29
23
0 1800
T
A
= -40°C
T
A
= +25
°
C
T
A
= +85
°
C
Typical Operating Characteristics (continued)
(V
CC
= 3V, SHDN = V
CC
, T
A
= +25°C, all log conformance plots are normalized to their respective temperatures, T
A
= +25°C, unless
otherwise noted.)