MAX2056 Maxim Integrated Products, MAX2056 Datasheet - Page 7

• Manufacturer Part Number: MAX2056
• Description: 800MHz to 1000MHz Variable-Gain Amplifier
• Manufacturer: Maxim Integrated Products

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(Typical Application Circuit with two attenuators connected, V
setting, P
10
15
20
25
30
35
40
17
15
13
11
0
5
9
7
700
700
OUT
800
T
800
A
T
= +25°C
A
= +5dBm, linearity measured at P
GAIN vs. RF FREQUENCY
= +85°C
900 1000
900 1000
INPUT RETURN LOSS
vs. RF FREQUENCY
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
_______________________________________________________________________________________
10
15
20
25
30
1100 1200 1300 1400 1500
0
5
1100 1200 1300 1400 1500
700
T
T
T
A
A
A
= +85°C
= +25°C
= -40°C
800
T
A
= -40°C
MAXIMUM GAIN
OUTPUT RETURN LOSS
900
vs. RF FREQUENCY
RF FREQUENCY (MHz)
42dB GAIN REDUCTION
1000 1100 1200 1300 1400 1500
Amplifier with Analog Gain Control
800MHz to 1000MHz Variable-Gain
OUT
35
30
25
20
10
15
20
25
30
0
5
700
= +5dBm/tone, T
700
800
T
A
T
= +85°C
T
A
A
900 1000
OUTPUT RETURN LOSS
900
= +25°C
REVERSE ISOLATION
= -40°C
vs. RF FREQUENCY
vs. RF FREQUENCY
RF FREQUENCY (MHz)
RF FREQUENCY (MHz)
CC
T
A
= +85°C
= +5.0V, R1 = 1.2kΩ, R2 = 3.92kΩ, f
-15
-25
-35
-45
25
15
1100 1200 1300 1400 1500
-5
1100
5
A
700
Typical Operating Characteristics
= +25°C, unless otherwise noted.)
T
A
44dB GAIN REDUCTION
= -40°C
800
MAXIMUM GAIN
1300
GAIN vs. RF FREQUENCY
T
900
A
= +25°C
RF FREQUENCY (MHz)
1000 1100 1200 1300 1400 1500
1500
Two Attenuator Configuration
-15
-25
-35
15
10
15
20
25
30
-5
0
5
5
700
1.0
T
T
A
A
= +25°C
800
= +85°C
MAXIMUM GAIN
1.5
IN
900
INPUT RETURN LOSS
vs. RF FREQUENCY
= 900MHz maximum gain
RF FREQUENCY (MHz)
2.0
GAIN vs. V
1000 1100 1200 1300 1400 1500
T
V
A
CNTL
= -40°C
42dB GAIN REDUCTION
2.5
(V)
CNTL
3.0
3.5
4.0
7