Max2659 gps/gnss low-noise amplifier, Typical operating characteristics – Rainbow Electronics MAX2659 User Manual
Page 3

MAX2659
GPS/GNSS Low-Noise Amplifier
_______________________________________________________________________________________
3
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX2659 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
3.0 3.2
2.6
2.4
2.2
3.7
3.9
4.1
4.3
4.5
3.5
1.6 1.8 2.0
3.4
2.8
+85°C
+25°C
-40°C
GAIN vs. RF FREQUENCY
MAX2659 toc02
RF FREQUENCY (MHz)
GAIN (dB)
2000 2250
1750
1250 1500
750 1000
-5
0
5
10
15
20
25
-10
500
2500
GAIN vs. SUPPLY VOLTAGE
MAX2659 toc03
SUPPLY VOLTAGE (V)
GAIN (dB)
2.8
3.0
2.6
2.2 2.4
1.8 2.0
20.2
20.4
20.6
20.8
21.0
20.0
1.6
3.4
3.2
NOISE FIGURE vs. TEMPERATURE
MAX2659 toc04
TEMPERATURE (°C)
NOISE FIGURE (dB)
35
60
10
-15
0.2
0.4
0.8
0.6
1.0
1.2
0
-40
85
NOISE FIGURE vs. SUPPLY VOLTAGE
MAX2659 toc05
SUPPLY VOLTAGE (V)
NOISE FIGURE (dB)
2.8
2.4
2.0
0.2
0.4
0.8
0.6
1.0
1.2
0
1.6
3.0 3.2
2.6
2.2
1.8
3.4
INPUT RETURN LOSS
vs. RF FREQUENCY
MAX2659 toc06
RF FREQUENCY (MHz)
INPUT RETURN LOSS |S11| (dB)
1750
1250
1000
-25
-20
-10
-15
-5
0
-30
500
2000 2250
1500
750
2500
OUTPUT RETURN LOSS
vs. RF FREQUENCY
MAX2659 toc07
RF FREQUENCY (MHz)
OUTPUT RETURN LOSS |S22| (dB)
1750
1250
1000
-40
-35
-30
-25
-20
-10
-15
-5
0
-45
500
2000 2250
1500
750
2500
REVERSE ISOLATION
vs. RF FREQUENCY
MAX2659 toc08
RF FREQUENCY (MHz)
REVERSE ISOLATION |S12| (dB)
1750
1250
1000
-70
-60
-50
-30
-40
-20
-80
500
2000 2250
1500
750
2500
IIP3 vs. TEMPERATURE
MAX2659 toc09
TEMPERATURE (°C)
IIP3 (dBm)
35
10
-15
-6.0
-5.5
-5.0
-4.0
-4.5
-3.5
-6.5
-40
60
85
TWO TONES LOCATED AT 5MHz AND
10MHz OFFSET WITH -40dBm/TONE
Typical Operating Characteristics
(MAX2659 EV kit; Typical values are at V
CC
= 2.85V, T
A
= +25°C, and f
RFIN
= 1575.42MHz, unless otherwise noted.)