MAX2640 Datasheet, PDF (4/8 Pages) Maxim Integrated Products – 400MHz to 2500MHz SiGe Ultra-Low-Noise Amplifiers

400MHz to 2500MHz SiGe
Ultra-Low-Noise Amplifiers
Typical Operating Characteristics (continued)
(V_CC = +3V, P_RFIN = -34dBm, Typical Operating Circuits, T_A = +25°C, unless otherwise noted.)
MAX2640 MATCHED AT 900MHz
INPUT RETURN LOSS AND
OUTPUT RETURN LOSS vs. FREQUENCY
-6
-7
-8
-9
INPUT RETURN LOSS
-10
-11
-12
-13
-14
-15
-16
800
OUTPUT RETURN LOSS
850
900
950
1000
FREQUENCY (MHz)
MAX2640 MATCHED AT 900MHz
REVERSE ISOLATION vs. FREQUENCY
0
-10
-20
-30
-40
-50
-60
800
840 880 920 960 1000
FREQUENCY (MHz)
MAX2641
SUPPLY CURRENT vs. SUPPLY VOLTAGE
6
5
T_A = +85°C
4
T_A = +25°C
3
T_A = -40°C
2
1
0
2
3
4
5
6
V_CC (V)
MAX2641 MATCHED AT 1900MHz
GAIN vs. FREQUENCY
16
MAX2641 MATCHED AT 1900MHz
NOISE FIGURE vs. FREQUENCY
3
T_A = -40°C
15
T_A = +85°C
2
14
T_A = +85°C _{TA = +25°C}
13
T_A = +25°C
1
T_A = -40°C
12
1800 1840 1880 1920 1960 2000
FREQUENCY (MHz)
MAX2641 MATCHED AT 1900MHz
INPUT RETURN LOSS AND
OUTPUT RETURN LOSS vs. FREQUENCY
-6
-7
-8
-9
-10
INPUT RETURN LOSS
-11
-12
-13
OUTPUT RETURN LOSS
-14
-15
-16
1800
1850
1900
1950
2000
FREQUENCY (MHz)
0
1800 1840 1880 1920 1960 2000
FREQUENCY (MHz)
MAX2641 MATCHED AT 1900MHz
REVERSE ISOLATION vs. FREQUENCY
0
-10
-20
-30
-40
-50
-60
1800 1840 1880 1920 1960 2000
FREQUENCY (MHz)
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