Rainbow Electronics MAX19997A - Manual (Page 26)

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
26 ______________________________________________________________________________________
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc136
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
2450 2250 2050
-20
-10
0
-30
1850 2650
T C = -30 °C
T C = +25 °C
T C = +85 °C
V CC = 3.3V
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc137
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
2450 2250 2050
-20
-10
0
-30
1850 2650
V CC = 3.3V
P LO = -3dBm, 0dBm, +3dBm
LO LEAKAGE AT IF PORT vs. LO FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc138
LO FREQUENCY (MHz)
LO LEAKAGE AT IF PORT (dBm)
2450 2250 2050
-20
-10
0
-30
1850 2650
V CC = 3.0V, 3.3V, 3.6V
CHANNEL ISOLATION vs. RF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc133
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
2800 2600 2400
40
50
45
55
30
35
2200 3000
V CC = 3.3V
T C = -30 °C, +25°C, +85°C
CHANNEL ISOLATION vs. RF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc134
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
2800 2600 2400
40
50
45
55
30
35
2200 3000
V CC = 3.3V
P LO = -3dBm, 0dBm, +3dBm
CHANNEL ISOLATION vs. RF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc135
RF FREQUENCY (MHz)
CHANNEL ISOLATION (dB)
2800 2600 2400
40
50
45
55
30
35
2200 3000
V CC = 3.0V, 3.3V, 3.6V
RF-TO-IF ISOLATION vs. RF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc139
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
2800 2600 2400
15
25
20
30
10
2200 3000
V CC = 3.3V
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 toc140
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
2800 2600 2400
15
25
20
30
10
2200 3000
V CC = 3.3V
P LO = -3dBm, 0dBm, +3dBm
RF-TO-IF ISOLATION vs. RF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc141
RF FREQUENCY (MHz)
RF-TO-IF ISOLATION (dB)
2800 2600 2400
15
25
20
30
10
2200 3000
V CC = 3.0V, 3.3V, 3.6V