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MAX2044ETPT

SiGe, High-Linearity, 2300MHz to 4000MHz Upconversion/Downconversion Mixer with LO Buffer

Maxim Integrated 

SiGe, High-Linearity, 2300MHz to 4000MHz

Upconversion/Downconversion Mixer with LO Buffer

3.3V SUPPLY AC ELECTRICAL CHARACTERISTICS (UPCONVERTER OPERATION,

fRF = 3100MHz to 3900MHz, LOW-SIDE LO INJECTION) (continued)

(Typical Application Circuit with tuning elements outlined in Table 2, RF and LO ports are driven from 50I sources. Typical values

are for TC = +25NC, VCC = 3.3V, PIF = 0dBm, PLO = 0dBm, fRF = 3500MHz, fLO = 3200MHz, fIF = 200MHz, unless otherwise noted.)

PARAMETER

LO ± 2IF Spur

LO ± 3IF Spur

Output Noise Floor

SYMBOL

1x2

1x3

CONDITIONS

LO - 2IF

LO + 2IF

LO - 3IF

LO + 3IF

POUT = 0dBm (Note 11)

MIN TYP MAX UNITS

58.9

dBc

57.8

69.4

dBc

69.5

-165

dBm/Hz

Note 5: Operation outside this range is possible, but with degraded performance of some parameters. See the Typical Operating

Characteristics.

Note 6: All limits reflect losses of external components, including a 0.5dB loss at fIF = 300MHz due to the 1:1 impedance trans-

former. Output measurements were taken at IF outputs of the Typical Application Circuit.

Note 7: Guaranteed by design and characterization.

Note 8: 100% production tested for functional performance.

Note 9: Maximum reliable continuous input power applied to the RF or IF port of this device is +20dBm from a 50I source.

Note 10: Not production tested.

Note 11: Measured with external LO source noise filtered so 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.

Typical Operating Characteristics

(Typical Application Circuit with tuning elements outlined in Table 1, Downconverter Mode, VCC = 5.0V, fRF = 3000MHz to

4000MHz, LO is low-side injected for a 300MHz IF, PRF = 0dBm, PLO = 0dBm, TC = +25NC, unless otherwise noted.)

CONVERSION LOSS vs. RF FREQUENCY

10

CONVERSION LOSS vs. RF FREQUENCY

10

CONVERSION LOSS vs. RF FREQUENCY

10

9

9

9

TC = +85°C

TC = +25°C

8

8

8

7

TC = -40°C

6

3000 3200 3400 3600 3800 4000

RF FREQUENCY (MHz)

7

PLO = -3dBm, 0dBm, +3dBm

6

3000 3200 3400 3600 3800 4000

RF FREQUENCY (MHz)

7

VCC = 4.75V, 5.0V, 5.25V

6

3000 3200 3400 3600 3800 4000

RF FREQUENCY (MHz)

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