Datasheet
7
50MHz to 500MHz Analog VGA, 1735MHz to 1935MHz
Upconverting Mixer with Image Filtering, Threshold
Alarm Circuit, and Error Amplifier for Level Control
MAX2091
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
= +25NC, f
IF_IN
= 350MHz, P
IF_IN
= -25dBm, R
SOURCE
= R
LOAD
= 50I, CTRL1 = 1, CTRL2 = 0, ALM_THRES = ALM =
open, unless otherwise noted.)
17
18
OUTPUT P
1dB
vs. IF FREQUENCY
MAX2091 toc13
OUTPUT P
1dB
(dBm)
19
16
IF FREQUENCY (MHz)
200 500400
300
V
CC
= 5.00V, 5.50V, 5.80V
V
CC
= 4.75V
35
40
OUTPUT IP3 vs. IF FREQUENCY
MAX2091 toc14
OUTPUT IP3 (dBm)
45
30
IF FREQUENCY (MHz)
200 500400
300
P
OUT
= 0dBm/TONE
T
C
= +95°C
T
C
= +25°C
T
C
= -40°C
35
40
OUTPUT IP3 vs. IF FREQUENCY
MAX2091 toc15
OUTPUT IP3 (dBm)
45
30
IF FREQUENCY (MHz)
200 500400
300
P
OUT
= 0dBm/TONE
V
CC
= 4.75V
V
CC
= 5.00V
V
CC
= 5.50V
V
CC
= 5.80V
OUTPUT IP3 (dBm)
35
40
45
30
OUTPUT IP3 vs. V
PLVSET
SETTING
MAX2091 toc16
V
PLVSET
(V)
2.0251.5501.0750.600 2.500
f
IF
= 350MHz
P
OUT
= 0dBm/TONE
T
C
= -40°C LSB
T
C
= +95°C LSB
T
C
= +25°C LSB
T
C
= -40°C USB
T
C
= +95°C USB
T
C
= +25°C USB
2ND HARMONIC vs. IF FREQUENCY
MAX2091 toc17
2ND HARMONIC (dBc)
50
60
70
80
90
40
T
C
= +25°C
T
C
= +95°C
T
C
= -40°C
P
OUT
= 0dBm
IF FREQUENCY (MHz)
200 500400300
2ND HARMONIC vs. IF FREQUENCY
MAX2091 toc18
2ND HARMONIC (dBc)
50
60
70
80
90
40
V
CC
= 5.00V
V
CC
= 5.50V
V
CC
= 4.75VV
CC
= 5.80V
P
OUT
= 0dBm
IF FREQUENCY (MHz)
200 500400300
V
PLVSET
(V)
2.0251.5501.0750.600 2.500
2ND HARMONIC vs. V
PLVSET
SETTING
MAX2091 toc19
2ND HARMONIC (dBc)
50
60
70
80
90
40
P
OUT
= 0dBmf
IF
= 350MHz
T
C
= +25°C
T
C
= -40°C
T
C
= +95°C
IF FREQUENCY (MHz)
200 500400
300
3RD HARMONIC vs. IF FREQUENCY
MAX2091 toc20
3RD HARMONIC (dBc)
70
80
90
100
110
60
P
OUT
= 0dBm
T
C
= +25°C
T
C
= +95°C
T
C
= -40°C
IF FREQUENCY (MHz)
200 500400
300
3RD HARMONIC vs. IF FREQUENCY
MAX2091 toc21
3RD HARMONIC (dBc)
70
80
90
100
110
60
P
OUT
= 0dBm
V
CC
= 5.00V
V
CC
= 5.50V, 5.80V
V
CC
= 4.75V