Rainbow Electronics MAX19995А - Manual (Page 9)

MAX19995A
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
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CHANNEL ISOLATION vs. RF FREQUENCY
MAX19995A toc1
9
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
2100 2000 1900 1800
45
50
55
40
1700 2200
T C = -30 ° C, +25 ° C, +85 ° C
CHANNEL ISOLATION vs. RF FREQUENCY
MAX19995A toc
2 0
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
2100 2000 1900 1800
45
50
55
40
1700 2200
P LO = -3dBm, 0dBm, +3dBm
CHANNEL ISOLATION vs. RF FREQUENCY
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
2100 2000 1900 1800
45
50
55
40
1700 2200
V CC = 4.75V, 5.0V, 5.25V
MAX19995A toc2
1
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT
(dBm)
2450 2550 2350 2250 2150
-30
-35
-25
-20
-40
2050
MAX19995A toc2
2
T C = -30 ° C
T C = +25 ° C
T C = +85 ° C
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT
(dBm)
2450 2550 2350 2250 2150
-30
-35
-25
-20
-40
2050
MAX19995A toc2
3
P LO = -3dBm, 0dBm, +3dBm
LO LEAKAGE AT IF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT
(dBm)
2450 2550 2350 2250 2150
-30
-35
-25
-20
-40
2050
MAX19995A toc2
4
V CC = 4.75V
V CC = 5.25V
V CC = 5.0V
RF-TO-IF ISOLATION
vs. RF FREQUENCY
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
2100 2200 2000 1900 1800
35
40
45
30
1700
MAX19995A toc25
T C = -30 ° C
T C = +25 ° C
T C = +85 ° C
RF-TO-IF ISOLATION
vs. RF FREQUENCY
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
2100 2200 2000 1900 1800
35
40
45
30
1700
P LO = -3dBm, 0dBm, +3dBm
MAX19995A toc26
RF-TO-IF ISOLATION
vs. RF FREQUENCY
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
2100 2200 2000 1900 1800
35
40
45
30
1700
MAX19995A toc2
7
V CC = 4.75V, 5.0V, 5.25V
Typical Operating Characteristics (continued)
( Typical Application Circuit, R1 = R4 = 681Ω, R2 = R5 = 1.5kΩ, V CC = 5.0V, P RF = -5dBm, P LO = 0dBm, f RF = 1850MHz,
f LO = 2200MHz, f IF = 350MHz, T C = +25°C, unless otherwise noted.)
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