Datasheet

MAX2056
800MHz to 1000MHz Variable-Gain
Amplifier with Analog Gain Control
8 _______________________________________________________________________________________
20
40
30
60
50
70
80
MAX2056 toc32
REVERSE ISOLATION (dB)
REVERSE ISOLATION
vs. RF FREQUENCY
700 900 1100 1300 1500
RF FREQUENCY (MHz)
42dB GAIN REDUCTION
MAXIMUM GAIN
4
5
7
6
8
9
MAX2056 toc33
NOISE FIGURE vs. RF FREQUENCY
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
800 900850 950 1000
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
36
37
39
38
40
41
MAX2056 toc34
OUTPUT IP3 (dBm)
OUTPUT IP3 vs. RF FREQUENCY
RF FREQUENCY (MHz)
800 900850 950 1000
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
40
45
55
50
60
65
MAX2056 toc35
OUTPUT IP2 (dBm)
OUTPUT IP2 vs. RF FREQUENCY
RF FREQUENCY (MHz)
800 900850 950 1000
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
Typical Operating Characteristics (continued)
Two Attenuator Configuration
(Typical Application Circuit with two attenuators connected, V
CC
= +5.0V, R1 = 1.2kΩ, R2 = 3.92kΩ, f
IN
= 900MHz maximum gain
setting, P
OUT
= +5dBm, linearity measured at P
OUT
= +5dBm/tone, T
A
= +25°C, unless otherwise noted.)