Rainbow Electronics MAX19993 User Manual
Page 4
MAX19993
Dual, SiGe, High-Linearity, 1200MHz to 1700MHz
Downconversion Mixer with LO Buffer/Switch
4
5.0V_SUPPLY,_LOW-SIDE_INJECTION_AC_ELECTRICAL_CHARACTERISTICS_(continued)
(Typical Application Circuit (see Table 1). R1 = R4 = 681I, R2 = R5 = 1.82kI, V
CC
= 4.75V to 5.25V, RF and LO ports are driven from
50I sources, P
LO
= -6dBm to +3dBm, P
RF
= -5dBm, f
RF
= 1200MHz to 1700MHz, f
LO
= 1060MHz to 1560MHz, f
IF
= 140MHz, f
RF
> f
LO
,
T
C
= -40NC to +85NC. Typical values are at V
CC
= +5.0V, P
RF
= -5dBm, P
LO
= 0dBm, f
RF
= 1450MHz, f
LO
= 1310MHz, f
IF
= 140MHz,
TC = +25NC. All parameters are guaranteed by design and characterization, unless otherwise noted.) (Note 7)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Noise Figure Temperature
Coefficient
TC
NF
Single sideband, no blockers present,
T
C
= -40NC to +85NC
0.016
dB/NC
Noise Figure with Blocker
NF
B
P
BLOCKER
= +8dBm, f
RF
= 1450MHz,
f
LO
= 1310MHz, f
BLOCKER
= 1550MHz,
P
LO
= 0dBm, V
CC
= 5.0V, T
C
= +25
o
C
(Notes 9, 10)
21.0
22.8
dB
2RF - 2LO Spur Rejection
(Note 9)
2x2
f
RF
= 1450MHz,
f
LO
= 1310MHz,
f
SPUR
= 1380MHz
P
RF
= -10dBm
58
72
dBc
P
RF
= -5dBm
53
67
f
RF
= 1450MHz,
f
LO
= 1310MHz,
f
SPUR
= 1380MHz,
P
LO
= 0dBm,
V
CC
= 5.0V,
T
C
= +25
o
C
P
RF
= -10dBm
61
72
dBc
P
RF
= -5dBm
56
67
3RF - 3LO Spur Rejection
(Note 9)
3x3
f
RF
= 1450MHz,
f
LO
= 1310MHz,
f
SPUR
= 1356.67MHz
P
RF
= -10dBm
77
93
dBc
P
RF
= -5dBm
67
83
f
RF
= 1450MHz,
f
LO
= 1310MHz,
f
SPUR
= 1356.67MHz,
P
LO
= 0dBm,
V
CC
= 5.0V,
T
C
= +25
o
C
P
RF
= -10dBm
82
93
dBc
P
RF
= -5dBm
72
83
RF Input Return Loss
LO and IF terminated into matched
impedance, LO on
21
dB
LO Input Return Loss
LO port selected, RF and IF terminated into
matched impedance
24
dB
LO port unselected, RF and IF terminated
into matched impedance
27
IF Output Impedance
Z
IF
Nominal differential impedance of the IF
outputs
200
I
IF Output Return Loss
RF terminated into 50I, LO driven by
50I source, IF transformed to 50I using
external components shown in the Typical
Application Circuit
15
dB
RF-to-IF Isolation
(Note 5)
33
dB
LO Leakage at RF Port
-38
dBm
2LO Leakage at RF Port
-27
dBm