SiGe High-Linearity, 2000MHz to 3000MHz
Upconversion/Downconversion Mixer with LO Buffer
MAX2042
4 ______________________________________________________________________________________
+5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS
(DOWNCONVERTER OPERATION) (continued)
(Typical Application Circuit with tuning elements outlined in Table 1, V
CC
= +4.75V to +5.25V, RF and LO ports are driven from 50I
sources, P
LO
= -3dBm to +3dBm, P
RF
= 0dBm, f
RF
= 2300MHz to 2900MHz, f
IF
= 300MHz, f
LO
= 2000MHz to 2600MHz, f
RF
> f
LO
,
T
C
= -40NC to +85NC. Typical values are for T
C
= +25NC, V
CC
= +5.0V, P
RF
= 0dBm, P
LO
= 0dBm, f
RF
= 2300MHz, f
LO
= 2300MHz,
f
IF
= 300MHz. All parameters are guaranteed by design and characterization, unless otherwise noted.) (Note 7)
+3.3V SUPPLY AC ELECTRICAL CHARACTERISTICS
(DOWNCONVERTER OPERATION)
(Typical Application Circuit with tuning elements outlined in Table 1, RF and LO ports are driven from 50I sources. Typical values
are for T
C
= +25NC, V
CC
= +3.3V, P
RF
= 0dBm, P
LO
= 0dBm, f
RF
= 2600MHz, f
LO
= 2300MHz, f
IF
= 300MHz, unless otherwise
noted.) (Note 7)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
IF Output Impedance ZIF
Nominal differential impedance at the IC’s
IF outputs
50
I
IF Output Return Loss RLIF
RF terminated into 50I, LO driven by
50I source, IF transformed to 50I using
external components shown in the Typical
Application Circuit
18 dB
RF-to-IF Isolation PLO = +3dBm (Note 8) 30 37 dB
LO Leakage at RF Port
fLO = 2000MHz to 2800MHz,
PLO = +3dBm (Note 8)
-28 -22 dBm
2LO Leakage at RF Port PLO = +3dBm -36 dBm
LO Leakage at IF Port
fLO = 2000MHz to 2800MHz,
PLO = +3dBm (Note 8)
-24.2 -16 dBm
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Small-Signal Conversion Loss LC (Note 8) 7.2 dB
Loss Variation vs. Frequency DLC
fRF = 2300MHz to 2900MHz, any 100MHz
band
0.2 dB
Conversion Loss Temperature
Coefficient
TCCL TC = -40NC to +85NC 0.008 dB/NC
Single Sideband Noise Figure NFSSB No blockers present 7.5 dB
Noise Figure Temperature
Coefficient
TCNF
Single sideband, no blockers present,
TC = -40NC to +85NC
0.019 dB/NC
Input 1dB Compression Point IP1dB (Note 10) 20 dBm
Third-Order Input Intercept Point IIP3
fRF1 = 2600MHz, fRF2 = 2601MHz,
PRF1 = PRF2 = 0dBm/tone
31 dBm
IIP3 Variation with TC
fRF1 = 2600MHz, fRF2 = 2601MHz,
PRF1 = PRF2 = 0dBm/tone,
TC = -40NC to +85NC
Q0.25 dB
2RF - 2LO Spur Rejection 2 x 2
PRF = -10dBm, fSPUR = fLO + 150MHz 72
dBc
PRF = 0dBm, fSPUR = fLO + 150MHz 62
3RF - 3LO Spur Rejection 3 x 3
PRF = -10dBm, fSPUR = fLO + 100MHz 87
dBc
PRF = 0dBm, fSPUR = fLO + 100MHz 67
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