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MAX2021ETX

High-Dynamic-Range, Direct Up-/Downconversion 650MHz to 1200MHz Quadrature Mod/Demod

Maxim Integrated 

MAX2021

High-Dynamic-Range, Direct Up-/Downconversion

650MHz to 1200MHz Quadrature Mod/Demod

AC ELECTRICAL CHARACTERISTICS (Modulator)

(MAX2021 Typical Application Circuit, VCC = 4.75V to 5.25V, GND = 0V, I/Q differential inputs driven from a 100Ω DC-coupled source,

0V common-mode input, PLO = 0dBm, 750MHz ≤ fLO ≤ 1200MHz, 50Ω LO and RF system impedance, R1 = 432Ω, R2 = 619Ω, R3 =

332Ω, TC = -40°C to +85°C. Typical values are at VCC = 5V, VBBI = 1.4VP-P differential, VBBQ = 1.4VP-P differential, fIQ = 1MHz, fLO =

900MHz, TC = +25°C, unless otherwise noted.) (Note 6)

PARAMETER

SYMBOL

CONDITIONS

BASEBAND INPUT

Baseband Input Differential Impedance

fIQ = 1MHz

BB Common-Mode Input Voltage

Range

LO INPUT

LO Input Return Loss

RF and IF terminated (Note 7)

I/Q MIXER OUTPUTS

Output IP3

Output IP2

Output P1dB

Output Power

OIP3

OIP2

POUT

fBB1 = 1.8MHz,

fBB2 = 1.9MHz

fLO = 900MHz

fLO = 1000MHz

fBB1 = 1.8MHz, fBB2 = 1.9MHz

fBB = 25MHz, PLO = 0dBm

Output Power Variation Over

Temperature

TC = -40°C to +85°C

MIN TYP MAX UNITS

53

-3.5

0

+3.5

V

12

21.1

22.3

57.9

16.7

0.7

-0.016

dB

dBm

dBm

dBm

dBm

dB/°C

Output-Power Flatness

Sweep fBB, PRF flatness for fBB from 1MHz

to 50MHz

0.15

dB

ACLR (1st Adjacent Channel

5MHz Offset)

Single-carrier WCDMA (Note 8)

65

dBc

LO Leakage

Sideband Suppression

Output Noise Density

Output Noise Floor

RF Return Loss

No external calibration, with each

baseband input terminated in 50

No external calibration, PLO = 0dBm

fLO = 920MHz

PLO = -3dBm

Each baseband input terminated in 50

(Note 9)

POUT = 0dBm, fLO = 900MHz (Note 10)

(Note 7)

-32

30

39.6

43.5

-174

-168

15

dBm

dBc

dBm/Hz

dBm/Hz

dB

Maxim Integrated

3

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