MAX2091 MAXIM [Maxim Integrated Products], MAX2091 Datasheet - Page 18

• 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
-30
-40
-50
-60
14
13
12
11
10
30
25
20
15
10
Upconverting Mixer with Image Filtering, Threshold
9
5
0
1685
1685
200
Alarm Circuit, and Error Amplifier for Level Control
+ f
IMAGE REJECTION vs. RF FREQUENCY
T
OUTPUT P
LO
C
T
C
= +25°C
= +25°C
, R
LO LEAKAGE AT RF PORT
SOURCE
vs. IF FREQUENCY
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
IF FREQUENCY (MHz)
1785
1785
300
T
1dB
C
T
C
= -40°C, +95°C
T
T
T
C
C
C
= -40°C
vs. RF FREQUENCY
= +95°C
= +95°C
= +25°C
PLVLSET
= R
configured for Full Cascade with interstage attenuator network (IF_IN to RF_OUT), analog attenuator
LOAD
1885
1885
400
= 2.5V), V
T
C
= 50I, CTRL1 = 1 CTRL2 = 0, ALM_THRES = ALM = open, unless otherwise noted.)
= -40°C
1985
1985
500
CC
= 5.5V, T
-30
-40
-50
-60
14
13
12
11
10
30
25
20
15
10
Typical Operating Characteristics (continued)
9
5
0
1685
1685
200
IMAGE REJECTION vs. RF FREQUENCY
C
OUTPUT P
= +25NC, f
P
P
LO
LO
LO LEAKAGE AT RF PORT
P
P
= -10dBm
= -4dBm
LO
LO
vs. IF FREQUENCY
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
1785
1785
IF FREQUENCY (MHz)
= -10dBm, -7dBm, -4dBm
= -10dBm, -7dBm, -4dBm
300
1dB
IF_IN
vs. RF FREQUENCY
P
LO
= -7dBm
= 350MHz, P
1885
1885
400
IF_IN
1985
1985
500
= -25dBm, f
-30
-40
-50
-60
14
13
12
11
10
30
25
20
15
10
9
5
0
1685
1685
200
IMAGE REJECTION vs. RF FREQUENCY
OUTPUT P
LO
= 1485MHz, P
V
V
V
LO LEAKAGE AT RF PORT
CC
CC
CC
= 4.75V, 5.00V, 5.50V, 5.80V
= 4.75V, 5.00V, 5.25V, 5.50V
vs. IF FREQUENCY
= 4.75V, 5.00V, 5.25V, 5.50V
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
1785
1785
IF FREQUENCY (MHz)
300
MAX2091
1dB
vs. RF FREQUENCY
LO
1885
1885
400
= -7dBm, f
1985
1985
500
RF
18