MAX2057ETX-T(2010) 查看數據表（PDF） - Maxim Integrated
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MAX2057ETX-T
(Rev.:2010)
(Rev.:2010)
Maxim Integrated
MAX2057ETX-T Datasheet PDF : 13 Pages
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1300MHz to 2700MHz Variable-Gain
Amplifier with Analog Gain Control
Typical Operating Characteristics (continued)
One Attenuator Configuration
(Typical Application Circuit with one attenuator connected, VCC = +5.0V, R1 = 1.2kΩ, R2 = 2kΩ, fIN = 2100MHz, maximum gain
setting, POUT = +5dBm, linearity measured at POUT = +5dBm/tone, TA = +25°C, unless otherwise noted.)
REVERSE ISOLATION
vs. RF FREQUENCY
NOISE FIGURE vs. RF FREQUENCY
60
8.0
18dB GAIN REDUCTION
55
7.5
TA = +85°C
NOISE FIGURE vs. RF FREQUENCY
8.0
7.5
50
7.0
7.0
VCC = 4.75V
45
6.5
6.5
40
6.0
35
5.5
MAXIMUM GAIN
30
5.0
25
4.5
TA = +25°C
TA = -40°C
6.0
5.5
VCC = 5.00V
5.0
VCC = 5.25V
4.5
20
1500 1700 1900 2100 2300 2500
RF FREQUENCY (MHz)
4.0
1500 1700 1900 2100 2300 2500
RF FREQUENCY (MHz)
4.0
1500 1700 1900 2100 2300 2500
RF FREQUENCY (MHz)
OUTPUT IP3 vs. RF FREQUENCY
40
38
TA = -40°C
36
TA = +85°C
TA = +25°C
34
32
30
1500 1700 1900 2100 2300 2500
RF FREQUENCY (MHz)
OUTPUT IP3 vs. RF FREQUENCY
40
VCC = 5.25V
38
36 VCC = 4.75V
34
VCC = 5.00V
32
30
1500 1700 1900 2100 2300 2500
RF FREQUENCY (MHz)
41
38
35
32
29
26
23
20
0
INPUT IP3 vs. ATTENUATION
TA = +25°C
TA = +85°C
TA = -40°C
5
10
15
20
ATTENUATION (dB)
OUTPUT IP3 vs. ATTENUATION
40
TA = +25°C
38
36
34
TA = +85°C
TA = -40°C
32
OUTPUT IP3 vs. OUTPUT POWER
38
37
36
35
34
33
OUTPUT IP2 vs. RF FREQUENCY
75
70
TA = +85°C
65
60
TA = +25°C
55
TA = -40°C
50
30
0
5
10
15
20
ATTENUATION (dB)
32
-6 -3 0 3 6 9 12
OUTPUT POWER PER TONE (dBm)
45
1500 1700 1900 2100 2300 2500
RF FREQUENCY (MHz)
_______________________________________________________________________________________ 5
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