Typical operating characteristics (continued) – Rainbow Electronics MAX19993 User 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