MAX2056ETXTD Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2056ETXTD Datasheet PDF : 12 Pages
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800MHz to 1000MHz 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 = 3.92kΩ, fIN = 900MHz maximum gain
setting, POUT = +5dBm, linearity measured at POUT = +5dBm/tone, TA = +25°C, unless otherwise noted.)
REVERSE ISOLATION
vs. RF FREQUENCY
60
21dB GAIN REDUCTION
55
50
45
40
NOISE FIGURE vs. RF FREQUENCY
7
6
TA = +85°C
TA = +25°C
5
NOISE FIGURE vs. RF FREQUENCY
7
6
VCC = 5.25V
5
35
30
25
MAXIMUM GAIN
4
4
VCC = 4.75V VCC = 5.00V
3
TA = -40°C
3
20
700 800 900 1000 1100 1200 1300 1400 1500
RF FREQUENCY (MHz)
2
800
850
900
950
1000
RF FREQUENCY (MHz)
2
800
850
900
950
1000
RF FREQUENCY (MHz)
OUTPUT IP3 vs. FREQUENCY
41
TA = -40°C
40
39
38
TA = +25°C
TA = +85°C
37
OUTPUT IP3 vs. FREQUENCY
41
40
VCC = 5.25V
VCC = 5.00V
39
38
VCC = 4.75V
37
INPUT IP3 vs. ATTENUATION
50
45
TA = +25°C
40
35
TA = +85°C
30
TA = -40°C
25
36
800
850
900
950
1000
RF FREQUENCY (MHz)
36
800
850
900
950
1000
RF FREQUENCY (MHz)
20
0
5
10
15
20
25
ATTENUATION (dB)
OUTPUT IP3 vs. ATTENUATION
50
45
TA = +25°C
40
35
TA = -40°C TA = +85°C
30
25
20
0
5
10
15
20
25
ATTENUATION (dB)
OUTPUT IP3 vs. OUTPUT POWER
40
38
36
34
32
-6 -3
0
3
6
9
12
OUTPUT POWER PER TONE (dBm)
OUTPUT IP2 vs. RF FREQUENCY
65
TA = -40°C
60
TA = +25°C
55
50
TA = +85°C
45
40
800
850
900
950
1000
RF FREQUENCY (MHz)
_______________________________________________________________________________________ 5
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