MAX2022ETX(2013) 查看數據表（PDF） - Maxim Integrated

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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 (Modulator) (continued)

(MAX2022 Typical Application Circuit, VCC = 4.75V to 5.25V, VGND = 0V, I/Q differential inputs driven from a 100Ω differential

DC-coupled source, 0V common-mode input, PLO = 0dBm, fLO = 1900MHz to 2200MHz, 50Ω LO and RF system impedance, R1 =

432Ω, R2 = 562Ω, R3 = 301Ω, TC = -40°C to +85°C. Typical values are at VCC = 5V, VBBI = 109mVP-P differential, VBBQ = 109mVP-P

differential, fIQ = 1MHz, TC = +25°C, unless otherwise noted.) (Notes 6, 7)

PARAMETER

SYMBOL

CONDITIONS

MIN TYP MAX UNITS

ACLR (1st Adjacent Channel

5MHz Offset)

Single-carrier WCDMA (Note 9),

RFOUT = -16dBm, fLO = 2GHz

70

dBc

LO Leakage

No external calibration, with each baseband

input terminated in 50Ω to GND

-40.4

dBm

Sideband Suppression

No external calibration

45.7

dBc

RF Return Loss

13.5

dB

Output Noise Density

LO Input Return Loss

fmeas = 2240MHz (Note 10)

-173.2

18.1

dBm/Hz

dB

AC Electrical Characteristics (Demodulator, fLO = 1880MHz)

(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 = 1890MHz, fLO = 1880MHz, fIF = 10MHz, 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 = 1890MHz, fRF2 = 1891MHz,

PRF1 = PRF2 = 0dBm, fIF1 = 10MHz,

fIF2 = 11MHz

MIN TYP MAX UNITS

9.2

dB

9.4

dB

39

dBm

Input Second-Order

Intercept Point

LO Leakage at RF Port

fRF1 = 1890MHz, fRF2 = 1891MHz,

IIP2

PRF1 = PRF2 = 0dBm, fIF1 = 10MHz,

fIF2 = 11MHz, fIM2nd = 21MHz

Unnulled

58

dBm

-40

dBm

Gain Compression

Image Rejection

PRF = 20dBm

0.10

dB

35

dB

RF Port Return Loss

C9 = 1.2pF

17

dB

LO Port Return Loss

IF Port Differential Impedance

Minimum Demodulation 3dB

Bandwidth

Minimum 1dB Gain Flatness

C3 = 22pF

9

43

>500

>450

dB

Ω

MHz

MHz

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