Owner manual

MAX19995A
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
12 ______________________________________________________________________________________
CHANNEL ISOLATION vs. RF FREQUENCY
(VARIOUS VALUES OF L3 AND L6)
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
22002000 210019001800
45
55
40
50
1700
MAX19995A toc46
10nH
6.8nH
3.6nH
0
Ω
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
(VARIOUS VALUES OF L3 AND L6)
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
25502350 245022502150
-50
-40
-20
-60
-30
2050
MAX19995A toc47
10nH
6.8nH
3.6nH
0
Ω
RF-TO-IF ISOLATION vs. RF FREQUENCY
(VARIOUS VALUES OF L3 AND L6)
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
22002000 210019001800
20
30
50
10
40
1700
MAX19995A toc48
10nH
6.8nH
3.6nH
0
Ω
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.)