Rainbow Electronics MAX19993 - Manual (Page 11)

MAX19993
Dual, SiGe, High-Linearity, 1200MHz to 1700MHz
Downconversion Mixer with LO Buffer/Switch
11
Typical Operating Characteristics (continued)
(Typical Application Circuit (see Table 1). V CC_ =_5.0V, f RF > f LO for a 140MHz IF, P RF = -5dBm, P LO = 0dBm, T C = +25°C, unless
otherwise noted.)
RF PORT RETURN LOSS
vs. RF FREQUENCY
MAX19993 toc37
RF FREQUENCY (MHz)
RF PORT RETURN LOSS (dB)
1600 1500 1400 1300
25
20
15
10
5
0
30
1200 1700
IF = 140MHZ
P LO = -6dBm, -3dBm, 0dBm, +3dBm
IF PORT RETURN LOSS
vs. IF FREQUENCY
MAX19993 toc38
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
LO = 1560MHz
LO = 1060MHz
LO = 1310MHz
LO SELECTED PORT RETURN LOSS
vs. LO FREQUENCY
MAX19993 toc39
LO FREQUENCY (MHz)
LO SELECTED PORT RETURN LOSS (dB)
1800 1600 1400 1200
30
20
10
0
40
1000 2000
P LO = -3dBm
P LO = -6dBm
P LO = +3dBm
P LO = 0dBm
LO UNSELECTED PORT RETURN LOSS
vs. LO FREQUENCY
MAX19993 toc40
LO FREQUENCY (MHz)
LO UNSELECTED PORT RETURN LOSS (dB)
1800 1600 1400 1200
40
30
20
10
0
50
1000 2000
P LO = -6dBm, -3dBm, 0dBm, +3dBm
SUPPLY CURRENT vs. TEMPERATURE (T C )
MAX19993 toc41
TEMPERATURE (°C)
SUPPLY CURRENT (mA)
60 35 10 -15
320
330
340
350
360
370
310
-40 85
V CC = 4.75V
V CC = 5.25V V CC = 5.0V