Rainbow Electronics MAX19997A - Manual (Page 13)

Typical Operating Characteristics (continued)
( Typical Application Circuit, standard RF band (see Table 1), 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
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LO PORT RETURN LOSS vs. LO FREQUENCY
(LO > RF, STANDARD RF BAND)
MAX19997A toc37
LO FREQUENCY (MHz)
LO PORT RETURN LOSS (dB)
3150 2900 2650 2400 2150
20
15
10
5
0
25
1900 3400
P LO = +3dBm
P LO = 0dBm
P LO = -3dBm
SUPPLY CURRENT vs. TEMPERATURE (T C )
(LO > RF, STANDARD RF BAND)
MAX19997A toc38
TEMPERATURE ( °C)
SUPPLY CURRENT (mA)
65 45 25 5 -15
360
370
380
390
400
350
-35 85
V CC = 5.25V
V CC = 5.0V
V CC = 4.75V
RF PORT RETURN LOSS vs. RF FREQUENCY
(LO > RF, STANDARD RF BAND)
MAX19997A toc34
RF PORT RETURN LOSS (dB)
25
20
15
10
5
0
30
RF FREQUENCY (MHz)
2800 2600 2400 2200 3000
P LO = -3dBm, 0dBm, +3dBm
f IF = 350MHz
IF PORT RETURN LOSS vs. IF FREQUENCY
(LO > RF, STANDARD RF BAND)
MAX19997A toc35
IF FREQUENCY (MHz)
IF PORT RETURN LOSS (dB)
410 320 230 140
25
20
15
10
5
0
30
50 500
V CC = 4.75V, 5.0V, 5.25V
f LO = 2600MHz
IF PORT RETURN LOSS vs. IF FREQUENCY
(LO > RF, STANDARD RF BAND)
MAX19997A toc36
IF FREQUENCY (MHz)
IF PORT RETURN LOSS (dB)
410 320 230 140
25
20
15
10
5
0
30
50 500
f LO = 2600MHz f LO = 2950MHz
f LO = 2350MHz