Rainbow Electronics MAX19997A - Manual (Page 28)

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
28 ______________________________________________________________________________________
RF PORT RETURN LOSS vs. RF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc148
RF FREQUENCY (MHz)
RF PORT RETURN LOSS (dB)
2600 2800 2400
20
25
5
10
15
0
30
2200 3000
V CC = 3.3V f IF = 350MHz
P LO = -3dBm, 0dBm, +3dBm
IF PORT RETURN LOSS vs. IF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc149
IF FREQUENCY (MHz)
IF PORT RETURN LOSS (dB)
230 320 410 140
30
10
20
0
40
50 500
f LO = 2250MHz
V CC = 3.0V, 3.3V, 3.6V
IF PORT RETURN LOSS vs. IF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc150
IF FREQUENCY (MHz)
IF PORT RETURN LOSS (dB)
230 320 410 140
30
10
20
0
40
50 500
f LO = 2250MHz
f LO = 1850MHz
f LO = 2650MHz
V CC = 3.3V
LO PORT RETURN LOSS vs. LO FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc151
LO FREQUENCY (MHz)
LO PORT RETURN LOSS (dB)
2400 2650 2900 3150 2150
20
15
5
10
0
25
1900 3400
P LO = 0dBm
P LO = -3dBm
P LO = +3dBm
V CC = 3.3V
SUPPLY CURRENT vs. TEMPERATURE (T C )
(RF > LO, STANDARD RF BAND)
MAX19997A toc152
TEMPERATURE ( °C)
SUPPLY CURRENT (mA)
65 45 25 5 -15
260
270
280
290
300
250
-35 85
V CC = 3.6V
V CC = 3.3V
V CC = 3.0V