Rainbow Electronics MAX19997A - Manual (Page 21)

Typical Operating Characteristics (continued)
( Typical Application Circuit, standard RF band (see Table 1), V CC = +5.0V, LO is low-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
______________________________________________________________________________________ 21
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc100
LO LEAKAGE AT IF PORT (dBm)
2450 2250 2050
-20
-10
0
-30
1850 2650
LO FREQUENCY (MHz)
V CC = 4.75V, 5.0V, 5.25V
CHANNEL ISOLATION vs. RF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc96
CHANNEL ISOLATION (dB)
2800 2600 2400
40
35
45
50
55
30
2200 3000
RF FREQUENCY (MHz)
P LO = -3dBm, 0dBm, +3dBm
RF-TO-IF ISOLATION vs. RF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc101
RF-TO-IF ISOLATION (dB)
2800 2600 2400
20
30
10
2200 3000
RF FREQUENCY (MHz)
T C = -30 °C
T C = +25 °C
T C = +85 °C
RF-TO-IF ISOLATION vs. RF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc102
RF-TO-IF ISOLATION (dB)
2800 2600 2400
20
30
10
2200 3000
RF FREQUENCY (MHz)
P LO = -3dBm, 0dBm, +3dBm
RF-TO-IF ISOLATION vs. RF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc103
RF-TO-IF ISOLATION (dB)
2800 2600 2400
20
30
10
2200 3000
RF FREQUENCY (MHz)
V CC = 4.75V, 5.0V, 5.25V
CHANNEL ISOLATION vs. RF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc95
CHANNEL ISOLATION (dB)
2800 2600 2400
40
35
45
50
55
30
2200 3000
RF FREQUENCY (MHz)
T C = -30 °C, +25°C, +85°C
CHANNEL ISOLATION vs. RF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc97
CHANNEL ISOLATION (dB)
2800 2600 2400
40
35
45
50
55
30
2200 3000
RF FREQUENCY (MHz)
V CC = 4.75V, 5.0V, 5.25V
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc98
LO LEAKAGE AT IF PORT (dBm)
2450 2250 2050
-20
-10
0
-30
1850 2650
LO FREQUENCY (MHz)
T C = -30 °C, +25°C, +85°C
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc99
LO LEAKAGE AT IF PORT (dBm)
2450 2250 2050
-20
-10
0
-30
1850 2650
LO FREQUENCY (MHz)
P LO = -3dBm, 0dBm, +3dBm