Manual

MAX2654/MAX2655/MAX2656
1575MHz/1900MHz Variable-IP3
Low-Noise Amplifiers
-10
-8
-6
-4
-2
0
1000 1200 1400 1600 1800 2000
MAX2654
INPUT/OUTPUT RETURN LOSS vs. FREQUENCY
MAX2654 toc11
FREQUENCY (MHz)
INPUT/OUTPUT RETURN LOSS (dB)
2200
INPUT RETURN LOSS
OUTPUT RETURN LOSS
-60
-45
-50
-55
-40
-35
-25
-30
-20
1000 1200 1400 1600 1800 2000 2200
MAX2654
REVERSE ISOLATION vs. FREQUENCY
MAX2654 toc12
FREQUENCY (MHz)
REVERSE ISOLATION (dB)
-14
-10
-12
-8
-6
-4
-2
0
2
4
6
8
-30 -26 -22 -18 -14 -10
MAX2654
OUTPUT POWER vs. INPUT POWER
MAX2654 toc13
INPUT POWER (dBm)
OUTPUT POWER (dBm)
-16
-6 -2 2
6 ______________________________________________________________________________________
0
1
2
3
4
5
6
7
8
23456
MAX2655
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX2655 toc16
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
R
BIAS
= 698Ω ±1%
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
0
3
2
1
4
5
6
7
8
9
10
23456
MAX2655
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX2655 toc17
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
R
BIAS
= 511Ω ±1%
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
-22
-21
-19
-20
-18
-17
-40 0-20 20 40 60 80
MAX2654
P
1dB
vs. TEMPERATURE
MAX2654 toc14
TEMPERATURE (°C)
P
1dB
(dBm)
f
IN
= 1575MHz
0
4
2
8
6
12
10
14
MAX2655
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX2655 toc18
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
23456
R
BIAS
= 357Ω ±1%
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
Typical Operating Characteristics (continued)
(P
IN
= -30dBm, input and output are terminated to 50Ω, V
CC
= +3V, high-gain and low-gain modes are applicable only to the MAX2656,
T
A
= +25°C, unless otherwise noted.)
1.0
1.4
1.2
1.8
1.6
2.2
2.0
2.4
-40 0 20-20 40 60 80
MAX2654
NOISE FIGURE vs. TEMPERATURE
MAX2654 toc10
TEMPERATURE (°C)
NOISE FIGURE (dB)
f
IN
= 1575MHz
-100
-90
-80
-70
-50
-60
-40
-20
-30
-10
0
0 1.0 2.0 3.0 4.0
MAX2654
SHUTDOWN TIME
MAX2655 toc15
TIME (µs)
OUTPUT POWER (dBm)
2.8µs
US