MAX2091 MAXIM [Maxim Integrated Products], MAX2091 Datasheet - Page 20

• Manufacturer Part Number: MAX2091
• Description: 50MHz to 500MHz Analog VGA, 1735MHz to 1935MHz Upconverting Mixer with Image Filtering, Threshold Alarm Circuit, and Error Amplifier for Level Control
• Manufacturer: MAXIM [Maxim Integrated Products]

(Typical Application Circuit
set to maximum gain (V
= f
50MHz to 500MHz Analog VGA, 1735MHz to 1935MHz
IF_IN
100
90
80
70
60
50
40
90
80
70
60
50
90
80
70
60
50
Upconverting Mixer with Image Filtering, Threshold
200
200
200
Alarm Circuit, and Error Amplifier for Level Control
LO + 3IF AT RF PORT vs. IF FREQUENCY
+ f
LO - 2IF AT RF PORT vs. IF FREQUENCY
LO - 3IF AT RF PORT vs. IF FREQUENCY
MEASUREMENT NOISE FLOOR APPROX 82dBc
LO
T
C
= +25°C
, R
SOURCE
T
T
C
C
IF FREQUENCY (MHz)
IF FREQUENCY (MHz)
IF FREQUENCY (MHz)
300
300
300
= -40°C, +25°C, +95°C
= -40°C, +25°C, +95°C
T
C
= -40°C
PLVLSET
T
C
= R
= +95°C
configured for Full Cascade with interstage attenuator network (IF_IN to RF_OUT), analog attenuator
LOAD
400
400
400
= 2.5V), V
= 50I, CTRL1 = 1 CTRL2 = 0, ALM_THRES = ALM = open, unless otherwise noted.)
500
500
500
CC
= 5.5V, T
100
90
80
70
60
50
40
90
80
70
60
50
90
80
70
60
50
Typical Operating Characteristics (continued)
200
200
200
LO + 3IF AT RF PORT vs. IF FREQUENCY
LO - 2IF AT RF PORT vs. IF FREQUENCY
LO - 3IF AT RF PORT vs. IF FREQUENCY
C
MEASUREMENT NOISE FLOOR APPROX 82dBc
= +25NC, f
P
P
P
LO
LO
LO
IF FREQUENCY (MHz)
IF FREQUENCY (MHz)
IF FREQUENCY (MHz)
= -10dBm, -7dBm, -4dBm
300
= -10dBm, -7dBm, -4dBm
300
= -10dBm, -7dBm, -4dBm
300
IF_IN
= 350MHz, P
400
400
400
IF_IN
500
500
500
= -25dBm, f
100
90
80
70
60
50
40
90
80
70
60
50
90
80
70
60
50
200
200
200
LO + 3IF AT RF PORT vs. IF FREQUENCY
LO - 2IF AT RF PORT vs. IF FREQUENCY
LO - 3IF AT RF PORT vs. IF FREQUENCY
MEASUREMENT NOISE FLOOR APPROX 82dBc
LO
= 1485MHz, P
V
V
V
CC
CC
CC
= 4.75V, 5.00V, 5.25V, 5.50V
= 4.75V, 5.00V, 5.25V, 5.50V
= 4.75V, 5.00V, 5.25V, 5.50V
IF FREQUENCY (MHz)
IF FREQUENCY (MHz)
IF FREQUENCY (MHz)
300
300
300
MAX2091
LO
400
400
400
= -7dBm, f
500
500
500
RF
20