Rainbow Electronics MAX19997A - Manual (Page 23)

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
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SUPPLY CURRENT vs. TEMPERATURE (T C )
(RF > LO, STANDARD RF BAND)
MAX19997A toc114
SUPPLY CURRENT (mA)
25 45 65 5 -15
370
360
390
380
400
350
-35 85
TEMPERATURE ( °C)
V CC = 5.25V
V CC = 5.0V
V CC = 4.75V
IF PORT RETURN LOSS vs. IF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc112
IF PORT RETURN LOSS (dB)
320 410 230 140
15
25
20
5
10
0
30
50 500
IF FREQUENCY (MHz)
f LO = 2250MHz
f LO = 2650MHz
f
LO
= 1850MHz
LO PORT RETURN LOSS vs. LO FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc113
LO PORT RETURN LOSS (dB)
2650 2900 3150 2400 2150
15
20
5
10
0
25
1900 3400
LO FREQUENCY (MHz)
P LO = +3dBm
P LO = 0dBm
P LO = -3dBm
IF PORT RETURN LOSS vs. IF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc111
IF PORT RETURN LOSS (dB)
320 410 230 140
15
25
20
5
10
0
30
50 500
IF FREQUENCY (MHz)
f LO = 2250MHz
V CC = 4.75V, 5.0V, 5.25V
RF PORT RETURN LOSS vs. RF FREQUENCY
(RF > LO, STANDARD RF BAND)
MAX19997A toc110
RF PORT RETURN LOSS (dB)
2800 2600 2400
15
25
20
5
10
0
30
2200 3000
RF FREQUENCY (MHz)
P LO = -3dBm, 0dBm, +3dBm
f IF = 350MHz