MAX2056 データシートの表示（PDF） - Maxim Integrated
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MAX2056 Datasheet PDF : 12 Pages
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800MHz to 1000MHz Variable-Gain
Amplifier with Analog Gain Control
Typical Operating Characteristics
Two Attenuator Configuration
(Typical Application Circuit with two attenuators 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.)
INPUT RETURN LOSS
vs. RF FREQUENCY
0
OUTPUT RETURN LOSS
vs. RF FREQUENCY
0
GAIN vs. VCNTL
5
15
TA = -40°C
5
10
TA = -40°C
10
15
TA = +25°C
20
15
5 TA = +25°C
TA = +85°C
-5
25
TA = +85°C
TA = +25°C
20
TA = -40°C
-15
30
TA = +85°C
25
-25
35
40
700 800 900 1000 1100 1200 1300 1400 1500
RF FREQUENCY (MHz)
GAIN vs. RF FREQUENCY
17
15
13
TA = +25°C
11
TA = -40°C
TA = +85°C
30
700 800 900 1000 1100 1200 1300 1400 1500
RF FREQUENCY (MHz)
REVERSE ISOLATION
vs. RF FREQUENCY
35
TA = +85°C
30
TA = -40°C
25
TA = +25°C
-35
1.0 1.5 2.0 2.5 3.0 3.5 4.0
VCNTL (V)
INPUT RETURN LOSS
vs. RF FREQUENCY
0
5
10
MAXIMUM GAIN
15
20
9
25
7
700 800 900 1000 1100 1200 1300 1400 1500
RF FREQUENCY (MHz)
20
700
OUTPUT RETURN LOSS
vs. RF FREQUENCY
0
5
900
1100
1300
1500
RF FREQUENCY (MHz)
42dB GAIN REDUCTION
30
700 800 900 1000 1100 1200 1300 1400 1500
RF FREQUENCY (MHz)
GAIN vs. RF FREQUENCY
25
MAXIMUM GAIN
15
10
MAXIMUM GAIN
15
20
25
42dB GAIN REDUCTION
30
700 800 900 1000 1100 1200 1300 1400 1500
RF FREQUENCY (MHz)
5
-5
-15
-25
-35
44dB GAIN REDUCTION
-45
700 800 900 1000 1100 1200 1300 1400 1500
RF FREQUENCY (MHz)
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