Datasheet

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MAX2090
50MHz to 1000MHz Analog VGA and Power
Detector with Optional AGC Loop
Typical Operating Characteristics (continued)
(Typical Application Circuit with analog attenuator set to minimum attenuation (V
PLVLSET
= 2.5V), V
CC
= 5.5V, T
C
= +25NC, f
RF_IN
=
350MHz, P
RF_IN
= -25dBm, R
SOURCE
= R
LOAD
= 50I, CTRL1 = 0, CTRL2 = 1, ALM_THRES = ALM = open, unless otherwise noted.)
2ND HARMONIC vs. RF FREQUENCY
MAX2090 toc19
RF FREQUENCY (MHz)
2ND HARMONIC (dBc)
50
60
70
80
90
40
50 1050
850650450250
V
CC
= 4.75V
V
CC
= 5.00V
V
CC
= 5.50V
V
CC
= 5.80V
P
OUT
= 0dBm
V
PLVLSET
(V)
2.0251.5501.0750.600 2.500
2ND HARMONIC
vs. ATTENUATOR SETTING
MAX2090 toc20
2ND HARMONIC (dBc)
50
60
70
80
90
40
P
OUT
= 0dBmf
RF
= 350MHz
T
C
= +25°C
T
C
= +95°C
T
C
= -40°C
3rd HARMONIC vs. RF FREQUENCY
MAX2090 toc21
RF FREQUENCY (MHz)
3RD HARMONIC (dBc)
70
80
90
100
110
60
50 1050
850650450250
P
OUT
= 0dBm
T
C
= +25°C
T
C
= +95°C
T
C
= -40°C
3rd HARMONIC vs. RF FREQUENCY
MAX2090 toc22
RF FREQUENCY (MHz)
3RD HARMONIC (dBc)
70
80
90
100
110
60
50 1050
850650450250
P
OUT
= 0dBm
V
CC
= 4.75V, 5.00V, 5.50V, 5.80V
V
PLVLSET
(V)
2.0251.5501.0750.600 2.500
3rd HARMONIC
vs. ATTENUATOR SETTING
MAX2090 toc23
3RD HARMONIC (dBc)
70
80
90
100
110
60
P
OUT
= 0dBmf
RF
= 350MHz
T
C
= +25°C
T
C
= +95°C
T
C
= -40°C
OIP2 vs. RF FREQUENCY
MAX2090 toc24
OIP2 (dBm)
50
60
70
40
RF FREQUENCY (MHz)
50 1050850650450250
P
OUT
= 0dBm/TONE
T
C
= +25°C
T
C
= +95°C
T
C
= -40°C