MAX2057ETX-T Ver la hoja de datos (PDF) - Maxim Integrated
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MAX2057ETX-T Datasheet PDF : 12 Pages
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1700MHz to 2500MHz Variable-Gain
Amplifier with Analog Gain Control
Typical Operating Characteristics
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.)
SUPPLY CURRENT
vs. SUPPLY VOLTAGE
200
TA = +85°C
190
180
INPUT RETURN LOSS
vs. RF FREQUENCY
0
5
10
15
TA = -40°C
TA = +85°C
OUTPUT RETURN LOSS
vs. RF FREQUENCY
0
5
10
TA = -40°C
15
TA = +25°C
20
170
25
20
TA = +85°C TA = +25°C
25
160
150
4.750
TA = -40°C
4.875 5.000 5.125
SUPPLY VOLTAGE (V)
5.250
GAIN vs. GAIN-CONTROL VOLTAGE
20
TA = -40°C
15
10 TA = +25°C
5
TA = +85°C
0
30
TA = +25°C
35
40
1500 1700 1900 2100 2300 2500
RF FREQUENCY (MHz)
GAIN vs. RF FREQUENCY
19
TA = -40°C
17
15
TA = +25°C
13
TA = +85°C
30
35
40
1500 1700 1900 2100 2300 2500
RF FREQUENCY (MHz)
REVERSE ISOLATION
vs. RF FREQUENCY
40
TA = +85°C
35
TA = +25°C
TA = -40°C
30
-5
11
-10
1.0 1.5 2.0 2.5 3.0 3.5 4.0
VCNTL (V)
9
1500 1700 1900 2100 2300 2500
RF FREQUENCY (MHz)
25
1500 1700 1900 2100 2300 2500
RF FREQUENCY (MHz)
INPUT RETURN LOSS
vs. RF FREQUENCY
0
5
9dB, 12dB, 15dB, 18dB
10
GAIN REDUCTION
15
MAX GAIN
20
25
30
6dB GAIN REDUCTION
35
3dB GAIN REDUCTION
OUTPUT RETURN LOSS
vs. RF FREQUENCY
0
5
10
15
20
MAX GAIN, 3dB, 6dB, 9dB, 12dB,
25
15dB, AND 18dB GAIN REDUCTION
30
35
GAIN vs. RF FREQUENCY
20
MAXIMUM GAIN
15
10
5
0
-5 18dB GAIN REDUCTION
40
1500 1700 1900 2100 2300 2500
RF FREQUENCY (MHz)
40
1500 1700 1900 2100 2300 2500
RF FREQUENCY (MHz)
-10
1500 1700 1900 2100 2300 2500
RF FREQUENCY (MHz)
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