SiGe High-Linearity, 2000MHz to 3000MHz
Upconversion/Downconversion Mixer with LO Buffer
MAX2042
_______________________________________________________________________________________ 3
+5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS
(DOWNCONVERTER OPERATION)
(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)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Small-Signal Conversion Loss LC
fRF = 2300MHz to 2900MHz, TC = +25NC
(Note 8)
6.7 7.2 8.1 dB
Loss Variation vs. Frequency DLC
fRF = 2305MHz to 2360MHz 0.15
dB
fRF = 2500MHz to 2570MHz 0.15
fRF = 2570MHz to 2620MHz 0.15
fRF = 2500MHz to 2690MHz 0.15
fRF = 2700MHz to 2900MHz 0.20
Conversion Loss Temperature
Coefficient
TCCL TC = -40NC to +85NC 0.0071 dB/NC
Single Sideband Noise Figure NFSSB No blockers present 7.3 dB
Noise Figure Temperature
Coefficient
TCNF
fRF = 2300MHz to 2900MHz, single side-
band, no blockers present,
TC = -40NC to +85NC
0.019 dB/NC
Noise Figure Under Blocking NFB
+8dBm blocker tone applied to RF port,
fRF = 2600MHz, fLO = 2300MHz,
fBLOCKER = 2795MHz, PLO = 0dBm,
VCC = 5.0V, TC = +25NC (Notes 5, 9)
20.8 25 dB
Input 1dB Compression Point IP1dB
TC = +25NC
(Notes 5, 10)
fRF = 2300MHz 22.5 23.4
dBmfRF = 2600MHz 20.6 22.1
fRF = 2900MHz 17.6 20.7
Third-Order Input Intercept Point IIP3
PRF1 = PRF2 =
0dBm/tone,
PLO = 0dBm,
TC = +25NC
fRF1 = 2300MHz,
fRF2 = 2301MHz,
fLO = 2000MHz (Note 5)
34 36
dBm
fRF1 = 2600MHz,
fRF2 = 2601MHz,
fLO = 2300MHz (Note 8)
31 34
fRF1 = 2900MHz,
fRF2 = 2901MHz,
fLO = 2600MHz (Note 5)
28 30
IIP3 Variation with TC
fRF = 2300MHz to 2900MHz,
fRF1 - fRF2 = 1MHz, PRF1 = PRF2 = 0dBm/
tone, TC = -40NC to +85NC
Q0.5 dB
2RF - 2LO Spur Rejection 2 x 2
fSPUR = fLO +
150MHz (Note 5)
PRF = -10dBm 64 70
dBc
PRF = 0dBm 54 60
3RF - 3LO Spur Rejection 3 x 3
fSPUR = fLO +
100MHz (Note 5)
PRF = -10dBm 80 92
dBc
PRF = 0dBm 60 72
RF Input Return Loss RLRF
LO on and IF terminated into a matched
impedance
17 dB
LO Input Return Loss RLLO
RF and IF terminated into a matched
impedance
15 dB
(16 Seiten)
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