MAX2057 Maxim Integrated Products, MAX2057 Datasheet - Page 8
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MAX2057
Manufacturer Part Number
MAX2057
Description
1700MHz to 2500MHz Variable-Gain Amplifier
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX2057.pdf
(12 pages)
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Quantity
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1700MHz to 2500MHz Variable-Gain
Amplifier with Analog Gain Control
8
(Typical Application Circuit with two attenuators connected, V
setting, P
-10
-15
-20
-25
20
15
10
_______________________________________________________________________________________
45
40
35
30
-5
5
0
1500
1500
OUT
1700
1700
GAIN vs. RF FREQUENCY
= +5dBm, linearity measured at P
30dB GAIN REDUCTION
T
REVERSE ISOLATION
A
vs. RF FREQUENCY
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
= +85°C
1900
1900
T
A
= +25°C
2100
40
38
36
34
32
30
2100
1500
MAXIMUM GAIN
T
T
OUTPUT IP3 vs. RF FREQUENCY
A
2300
2300
A
= -40°C
= -40°C
1700
T
A
RF FREQUENCY (MHz)
2500
= +25°C
2500
1900
T
A
2100
OUT
= +85°C
Typical Operating Characteristics (continued)
10
15
20
25
30
35
40
80
70
60
50
40
30
20
0
5
1500
1500
= +5dBm/tone, T
2300
1700
1700
MAXIMUM GAIN
2500
INPUT RETURN LOSS
REVERSE ISOLATION
vs. RF FREQUENCY
vs. RF FREQUENCY
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
12dB, 18dB, 24dB, 30dB
CC
1900
1900
30dB GAIN REDUCTION
MAXIMUM GAIN
GAIN REDUCTION
6dB GAIN REDUCTION
= +5.0V, R1 = 1.2kΩ, R2 = 2kΩ, f
A
75
70
65
60
55
50
45
2100
2100
= +25°C, unless otherwise noted.)
1500
T
A
OUTPUT IP2 vs. RF FREQUENCY
2300
2300
= +25°C
1700
RF FREQUENCY (MHz)
2500
2500
T
1900
A
= +85°C
Two Attenuator Configuration
2100
11.0
10.5
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
10
15
20
25
30
35
40
0
5
T
1500
1500
A
= -40°C
2300
MAXIMUM GAIN
NOISE FIGURE vs. RF FREQUENCY
T
A
IN
1700
1700
= +85°C
OUTPUT RETURN LOSS
2500
= 2100MHz, maximum gain
vs. RF FREQUENCY
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
6dB, 12dB, 18dB, 24dB,
30dB GAIN REDUCTION
1900
1900
T
T
A
A
= +25°C
= -40°C
2100
2100
2300
2300
2500
2500