MAX2021 datasheet(6/20 Pages) MAXIM

Part #	MAX2021

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

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Manufacturer	MAXIM [Maxim Integrated Products]

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MAX2021

High-Dynamic-Range, Direct Up-/Downconversion

650MHz to 1200MHz Quadrature Mod/Demod

6

Maxim Integrated

Typical Operating Characteristics

(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.)

TOTAL SUPPLY CURRENT

vs. TEMPERATURE (TC)

TEMPERATURE (°C)

60

35

10

-15

220

240

260

280

VCC = 4.75V

VCC = 5.0V

300

200

-40

85

VCC = 5.25V

ACLR vs. OUTPUT POWER PER CARRIER

OUTPUT POWER PER CARRIER (dBm)

-17

-27

-37

-78

-76

-74

-72

-70

-68

-66

-64

-62

-60

-80

-47

-7

SINGLE-CARRIER WCDMA

ADJACENT CHANNEL

ALTERNATE CHANNEL

ACLR vs. OUTPUT POWER PER CARRIER

OUTPUT POWER PER CARRIER (dBm)

-17

-27

-37

-78

-76

-74

-72

-70

-68

-66

-64

-62

-60

-80

-47

-7

ADJACENT CHANNEL

ALTERNATE CHANNEL

TWO-CARRIER WCDMA

ACLR vs. OUTPUT POWER PER CARRIER

OUTPUT POWER PER CARRIER (dBm)

-17

-27

-37

-78

-76

-74

-72

-70

-68

-66

-64

-62

-60

-80

-47

-7

FOUR-CARRIER WCDMA

ADJACENT CHANNEL

ALTERNATE CHANNEL

SIDEBAND SUPPRESSION

vs. LO FREQUENCY

LO FREQUENCY (MHz)

1125

1050

975

900

825

20

30

40

50

60

70

10

750

1200

PLO = -3dBm

PLO = -6dBm

PLO = 0dBm

PLO = +3dBm

SIDEBAND SUPPRESSION

vs. LO FREQUENCY

LO FREQUENCY (MHz)

1125

1050

975

900

825

20

30

40

50

60

70

10

750

1200

VCC = 4.75V, 5.0V, 5.25V

SIDEBAND SUPPRESSION

vs. LO FREQUENCY

LO FREQUENCY (MHz)

1125

1050

975

900

825

20

30

40

50

60

70

10

750

1200

TC = +25°C

TC = +85°C

TC = -40°C

OUTPUT IP3 vs. LO FREQUENCY

LO FREQUENCY (MHz)

1125

1050

975

900

825

15

20

25

30

10

750

1200

TC = -40°C

TC = +85°C

TC = +25°C

PLO = 0dBm, VCC = 5.0V

OUTPUT IP3 vs. LO FREQUENCY

LO FREQUENCY (MHz)

1125

1050

975

900

825

15

20

25

30

10

750

1200

VCC = 5.25V

VCC = 5.0V

VCC = 4.75V

TC = +25°C

MODULATOR

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