Rainbow Electronics MAX9995 - Manual (Page 6)

MAX9995
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
6 _______________________________________________________________________________________
CHANNEL ISOLATION vs. RF FREQUENCY
ISOLATION (dB)
30
40
50
60
70
80
20
MAX9995 toc19
FREQUENCY (MHz)
2100 2000 1900 1800 1700 2200
T C = +85 °C T C = +25 °C
T
C
= -20 °C
CHANNEL ISOLATION vs. RF FREQUENCY
ISOLATION (dB)
40
50
60
70
80
90
30
MAX9995 toc20
FREQUENCY (MHz)
2100 2000 1900 1800 1700 2200
P LO = 0dBm
P LO = +3dBm
P LO = -3dBm
CHANNEL ISOLATION vs. RF FREQUENCY
ISOLATION (dB)
40
50
60
70
80
90
30
MAX9995 toc21
FREQUENCY (MHz)
2100 2000 1900 1800 1700 2200
V
CC
= 4.75V V CC = 5.0V
V CC = 5.25V
-55
-50
-45
-40
-30
-35
-25
-20
-60
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
MAX9995 toc22
LEAKAGE (dBm)
FREQUENCY (MHz)
1800 1900 1700 1600 1500 1400 2000
T C = -20 °C
T C = +85 °C
T C = +25 °C
-50
-45
-40
-30
-35
-25
-20
-55
LO LEAKAGE AT RF PORT vs. LO FREQUENCY
MAX9995 toc25
LEAKAGE (dBm)
FREQUENCY (MHz)
1800 1900 1700 1600 1500 1400 2000
T
C
= -20 °C
T
C
= +85 °C
T C = +25 °C
-50
-45
-40
-35
-30
-25
-55
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
MAX9995 toc23
LEAKAGE (dBm)
FREQUENCY (MHz)
1800 1900 1700 1600 1500 1400 2000
P LO = -3dBm
P LO = +3dBm P LO = 0dBm
-45
-40
-35
-30
-25
-50
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
MAX9995 toc24
LEAKAGE (dBm)
FREQUENCY (MHz)
1800 1900 1700 1600 1500 1400 2000
V CC = 5.25V
V CC = 4.75V
V CC = 5.0V
-45
-40
-35
-30
-25
-20
-50
LO LEAKAGE AT RF PORT vs. LO FREQUENCY
MAX9995 toc26
LEAKAGE (dBm)
FREQUENCY (MHz)
1800 1900 1700 1600 1500 1400 2000
P LO = +3dBm
P LO = -3dBm
P LO = 0dBm
-55
-50
-45
-40
-30
-35
-25
-20
-60
LO LEAKAGE AT RF PORT vs. LO FREQUENCY
LEAKAGE (dBm)
FREQUENCY (MHz)
1800 1900 1700 1600 1500 1400 2000
V CC = 4.75V TO 5.25V
MAX9995 toc27
Typical Operating Characteristics (continued)
(Typical Application Circuit, V CC = 5.0V, P RF = -5dBm, P LO = 0dBm, LO is low-side injected for a 200MHz IF, T C = +25°C.)