SiGe High-Linearity, 2000MHz to 3000MHz
Upconversion/Downconversion Mixer with LO Buffer
MAX2042
6 ______________________________________________________________________________________
Note 5: Not production tested.
Note 6: Operation outside this range is possible, but with degraded performance of some parameters. See the Typical Operating
Characteristics.
Note 7: All limits reflect losses of external components, including a 0.5dB loss at f
IF
= 300MHz due to the 1:1 impedance trans-
former. Output measurements were taken at IF outputs of the Typical Application Circuit.
Note 8: 100% production tested for functional performance.
Note 9: Measured with external LO source noise filtered so that the noise floor is -174dBm/Hz. This specification reflects the effects
of all SNR degradations in the mixer including the LO noise, as defined in Application Note 2021: Specifications and
Measurement of Local Oscillator Noise in Integrated Circuit Base Station Mixers.
Note 10: Maximum reliable continuous input power applied to the RF port of this device is +20dBm from a 50I source.
+3.3V SUPPLY AC ELECTRICAL CHARACTERISTICS
(UPCONVERTER OPERATION)
(Typical Application Circuit with tuning elements outlined in Table 2, RF and LO ports are driven from 50I sources. Typical values
are for T
C
= +25NC, V
CC
= +3.3V, P
IF
= 0dBm, P
LO
= 0dBm, f
RF
= 2600MHz, f
LO
= 2400MHz, f
IF
= 200MHz, unless otherwise
noted.) (Note 7)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Small-Signal Conversion Loss LC 6.8 dB
Loss Variation vs. Frequency DLC
fRF = 2300MHz to 2900MHz, any 100MHz
band
0.15 dB
Conversion Loss Temperature
Coefficient
TCCL TC = -40NC to +85NC 0.008 dB/NC
Input 1dB Compression Point IP1dB (Note 10) 19 dBm
Third-Order Input Intercept Point IIP3
fIF1 = 200MHz, fIF2 = 201MHz,
PIF1 = PIF2 = 0dBm/tone
29.5 dBm
IIP3 Variation with TC
fIF1 = 200MHz, fIF2 = 201MHz,
PIF1 = PIF2 = 0dBm/tone, fLO = 2400MHz,
PLO = 0dBm, TC = -40NC to +85NC
Q0.75 dB
LO Q 2IF Spur Rejection
1 x 2
LO - 2IF 72
dBc
LO + 2IF 70
LO Q 3IF Spur Rejection 1 x 3
LO - 3IF 73
dBc
LO + 3IF 70
Output Noise Floor POUT = 0dBm (Note 9) -160 dBm/Hz
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