Rainbow Electronics MAX19993 - 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