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MAX2022ETX
(Rev.:2013)

High-Dynamic-Range, Direct Up/Downconversion 1500MHz to 3000MHz Quadrature Modulator/Demodulator

Maxim Integrated 

MAX2022

High-Dynamic-Range, Direct Up/

Downconversion 1500MHz to 3000MHz

Quadrature Modulator/Demodulator

AC Electrical Characteristics (Demodulator, fLO = 2855MHz)

(MAX2022 Typical Application Circuit when operated as a demodulator. I/Q outputs are recombined using network shown in Figure 5. Losses

of combining network not included in measurements. RF and LO ports are driven from 50Ω sources. Typical values are for VCC = 5V, I/Q

DC returns = 160Ω resistors to GND, PRF = 0dBm, PLO = 0dBm, fRF = 2655MHz, fLO = 2855MHz, fIF = 200MHz, TC = +25°C, unless

otherwise noted.) (Notes 6, 11)

PARAMETER

Conversion Loss

Noise Figure

Input Third-Order Intercept Point

SYMBOL

LC

NFSSB

IIP3

CONDITIONS

fRF1 = 2655MHz, fRF2 = 2656.2MHz,

PRF1 = PRF2 = 0dBm, fIF1 = 200MHz,

fIF2 = 198.8MHz

MIN TYP MAX UNITS

11.2

dB

11.4

dB

34.5

dBm

Input Second-Order Intercept

Point

LO Leakage at RF Port

LO Leakage at IF Port

Gain Compression

I/Q Gain Mismatch

I/Q Phase Mismatch

RF Port Return Loss

LO Port Return Loss

IF Port Differential Impedance

Minimum Demodulation 3dB

Bandwidth

Minimum 1dB Gain Flatness

fRF1 = 2655MHz, fRF2 = 2656.2MHz,

IIP2

PRF1 = PRF2 = 0dBm, fIF1 = 200MHz,

fIF2 = 198.8MHz, fIM2nd = 398.8MHz

I+

I-

Q+

Q-

PRF = 20dBm

C9 = 22pF, L1 = 4.7nH, C14 = 0.7pF

C3 = 6.8pF

60

-31.3

-25.2

-23.5

-26

-22.3

0.10

0.3

0.5

22.5

14.2

43

>500

>450

dBm

dBm

dBm

dB

dB

deg

dB

dB

Ω

MHz

MHz

Note 5: Recommended functional range, not production tested. Operation outside this range is possible, but with degraded perfor-

mance of some parameters.

Note 6: All limits include external component losses of components, PCB, and connectors.

Note 7: It is advisable not to operate the I and Q inputs continuously above 2.5VP-P differential.

Note 8: Guaranteed by design and characterization.

Note 9: Single-carrier WCDMA peak-to-average ratio of 10.5dB for 0.1% complementary cumulative distribution function.

Note 10: No baseband drive input. Measured with the baseband inputs terminated in 50Ω to GND. At low-output power levels, the

output noise density is equal to the thermal noise floor.

Note 11: It is advisable not to operate the RF input continuously above +17dBm.

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