Rainbow Electronics MAX19993 - Manual (Page 5)

MAX19993
Dual, SiGe, High-Linearity, 1200MHz to 1700MHz
Downconversion Mixer with LO Buffer/Switch
5
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)
3.3V_SUPPLY,_LOW_SIDE_INJECTION_AC_ELECTRICAL_CHARACTERISTICS
(Typical Application Circuit (see Table 1). R1 = R4 = 681I, R2 = R5 = 1.43kI. Typical values are at V CC = 3.3V, P RF = -5dBm, P LO = 0dBm,
f RF = 1450MHz, f LO = 1310MHz, f IF = 140MHz, T C = +25NC, unless otherwise noted.) (Note 7)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
LO Leakage at IF Port (Note 5) -18 dBm
Channel Isolation (Note 5)
RFMAIN converted power measured at
IFDIV relative to IFMAIN, all unused ports
terminated to 50I
43 47
dB
RFDIV converted power measured at
IFMAIN relative to IFDIV, all unused ports
terminated to 50I
43 47
LO-to-LO Isolation
P LO1 = +3dBm, P LO2 = +3dBm,
f
LO1
= 1310MHz, f
LO2
= 1311MHz (Note 5)
47 57 dB
LO Switching Time 50% of LOSEL to IF settled within 2 degrees 50 ns
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Gain G C (Note 5) 6.2 dB
Conversion Gain Flatness D G C f RF = 1427MHz to 1463MHz Q 0.05 dB
Gain Variation Over Temperature TC CG T
C
= -40NC to +85NC -0.009 dB/NC
Input Compression Point IP 1dB (Note 8) 12.8 dBm
Input Third-Order Intercept Point IIP3 f RF1 - f RF2 = 1MHz 24.4 dBm
Input Third-Order Intercept Point
Variation Over Temperature
TC IIP3
f RF1 - f RF2 = 1MHz, P RF = -5dBm per tone,
T C = -40NC to +85NC
Q 0.8 dBm
Noise Figure NF SSB Single sideband, no blockers present 9.8 dB
Noise Figure Temperature
Coefficient
TC NF
Single sideband, no blockers present,
T
C = -40NC to +85NC
0.016 dB/NC
2RF - 2LO Spur Rejection 2 x 2
P RF = -10dBm 73
dBc
P RF = -5dBm 68
3RF - 3LO Spur Rejection 3 x 3
P RF = -10dBm 80
dBc
P RF = -5dBm 70
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