Rainbow Electronics MAX19997A - Manual (Page 16)

RF-TO-IF ISOLATION vs. RF FREQUENCY
(LO > RF, EXTENDED RF BAND)
MAX19997A toc65
RF-TO-IF ISOLATION (dB)
2200 2100 2000 1900
20
30
10
1800 2300
RF FREQUENCY (MHz)
V CC = 4.75V, 5.0V, 5.25V
Typical Operating Characteristics (continued)
( Typical Application Circuit, extended RF band (see Table 2), V CC = +5.0V, LO is high-side injected for a 350MHz IF, P LO = 0dBm,
P RF = -5dBm, T C = +25°C, unless otherwise noted.)
MAX19997A
Dual, SiGe High-Linearity, 1800MHz to 2900MHz
Downconversion Mixer with LO Buffer
16 ______________________________________________________________________________________
RF-TO-IF ISOLATION vs. RF FREQUENCY
(LO > RF, EXTENDED RF BAND)
MAX19997A toc63
RF-TO-IF ISOLATION (dB)
2200 2100 2000 1900
20
30
10
1800 2300
T C = -30 °C T C = +25 °C
T C = +85 °C
RF FREQUENCY (MHz)
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
(LO > RF, EXTENDED RF BAND)
MAX19997A toc62
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
2550 2450 2350 2250
-20
-10
0
-30
2150 2650
V CC = 4.75V, 5.0V, 5.25V
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
(LO > RF, EXTENDED RF BAND)
MAX19997A toc61
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
2550 2450 2350 2250
-20
-10
0
-30
2150 2650
P LO = -3dBm, 0dBm, +3dBm
CHANNEL ISOLATION vs. RF FREQUENCY
(LO > RF, EXTENDED RF BAND)
MAX19997A toc58
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
2200 2100 2000 1900
40
35
45
55
50
60
30
1800 2300
P LO = -3dBm, 0dBm, +3dBm
CHANNEL ISOLATION vs. RF FREQUENCY
(LO > RF, EXTENDED RF BAND)
MAX19997A toc59
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
2200 2100 2000 1900
40
35
45
55
50
60
30
1800 2300
V CC = 4.75V, 5.0V, 5.25V
CHANNEL ISOLATION vs. RF FREQUENCY
(LO > RF, EXTENDED RF BAND)
MAX19997A toc57
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
2200 2100 2000 1900
40
35
45
55
50
60
30
1800 2300
T C = -30 °C, +25°C, +85°C
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
(LO > RF, EXTENDED RF BAND)
MAX19997A toc60
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
2550 2450 2350 2250
-20
-10
0
-30
2150 2650
T C = -30 °C, +25°C, +85°C
RF-TO-IF ISOLATION vs. RF FREQUENCY
(LO > RF, EXTENDED RF BAND)
MAX19997A toc64
RF-TO-IF ISOLATION (dB)
2200 2100 2000 1900
20
30
10
1800 2300
RF FREQUENCY (MHz)
P LO = -3dBm, 0dBm, +3dBm