Rainbow Electronics MAX19995А - Manual (Page 10)

MAX19995A
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
10 ______________________________________________________________________________________
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT
(dBm)
2550 2750 2350 2150 1950
-40
-30
-20
-50
1750
MAX19995A toc2
8
T C = -30 ° C T C = +25 ° C
T C = +85 ° C
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT
(dBm)
2550 2750 2350 2150 1950
-40
-30
-20
-50
1750
MAX19995A toc2
9
P LO = 0dBm
P LO = -3dBm
P LO = +3dBm
LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO LEAKAGE AT RF PORT
(dBm)
2550 2750 2350 2150 1950
-40
-30
-20
-50
1750
MAX19995A toc
3 0
V CC = 4.75V, 5.0V, 5.25V
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT
(dBm)
2550 2750 2350 2150 1950
-40
-20
-30
-10
-50
1750
MAX19995A toc
3 1
T C = -30 ° C
T C = +25 ° C
T C = +85 ° C
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT
(dBm)
2550 2750 2350 2150 1950
-40
-20
-30
-10
-50
1750
MAX19995A toc
3 2
P LO = 0dBm
P LO = -3dBm
P LO = +3dBm
2LO LEAKAGE AT RF PORT
vs. LO FREQUENCY
LO FREQUENCY (MHz)
2LO LEAKAGE AT RF PORT
(dBm)
2550 2750 2350 2150 1950
-40
-20
-30
-10
-50
1750
MAX19995A toc
3 3
V CC = 4.75V, 5.0V, 5.25V
LO SWITCH ISOLATION
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
2550 2750 2350 2150 1950
40
50
60
30
1750
MAX19995A toc34
T C = -30 ° C
T C = +25 ° C
T C = +85 ° C
LO SWITCH ISOLATION
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
2550 2750 2350 2150 1950
40
50
60
30
1750
MAX19995A toc3
5
P LO = -3dBm, 0dBm, +3dBm
LO SWITCH ISOLATION
vs. LO FREQUENCY
LO FREQUENCY (MHz)
LO SWITCH ISOLATION (dB)
2550 2750 2350 2150 1950
40
50
60
30
1750
MAX19995A toc3
6
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.)