MAX2321 datasheet(12/28 Pages) MAXIM

Part #	MAX2321

Description	Adjustable, High-Linearity, SiGe Dual-Band LNA/Mixer ICs

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Manufacturer	MAXIM [Maxim Integrated Products]

Direct Link	https://www.maximintegrated.com/en.html

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12 / 28 page

Adjustable, High-Linearity,

SiGe Dual-Band LNA/Mixer ICs

12

______________________________________________________________________________________

0

4

2

8

6

12

10

14

-17

-7

-2

-12

3

PCS-BAND HGHL MIXER NOISE

FIGURE vs. LO INPUT LEVEL

LO INPUT LEVEL (dBm)

HIGH SIDE LO

LOW SIDE LO

0

4

2

8

6

12

10

14

-17

-7

-2

-12

3

PCS-BAND HGLL MIXER NOISE

FIGURE vs. LO INPUT LEVEL

LO INPUT LEVEL (dBm)

HIGH SIDE LO

LOW SIDE LO

-25

-20

-10

-15

-5

0

CELLULAR-BAND LO BUFFER

OUTPUT LEVEL vs. INPUT LEVEL

LO INPUT LEVEL (dBm)

-20

0

-10

10

TA = -45

°C TO +85°C HIGH SIDE

AND LOW SIDE LO

Typical Operating Characteristics (continued)

(MAX232_ EV kit, VCC = +2.75V, fLNAINH = fMIXINH = 1960MHz, fLNAINL = fMIXINL = 881MHz, fLOHIN = 1750MHz, fLOLIN = 1091MHz

(digital modes), fLOLIN = 991MHz (FM mode), LO input power = -7dBm, 50

Ω system, all measurements include matching component

losses but not connector and trace losses, TA = +25°C, unless otherwise noted.)

-70

-50

-60

-30

-40

-10

-20

0

-20

-10

0

10

CELLULAR-BAND 2ND AND 3RD

HARMONICS vs. LO INPUT POWER

LO INPUT LEVEL (dB)

2ND HARMONIC

3RD HARMONIC

fLO = 1091MHz

-25

-20

-10

-15

-5

0

PCS-BAND LO BUFFER

OUTPUT LEVEL vs. INPUT LEVEL

LO INPUT LEVEL (dBm)

-20

0

-10

10

TA = -45

°C TO +85°C

HIGH SIDE AND LOW

SIDE LO

-70

-50

-60

-30

-40

-10

-20

0

-20

-10

0

10

PCS-BAND 2ND AND 3RD HARMONICS

LO BUFFER OUTPUT vs. INPUT LEVEL

LO INPUT LEVEL (dB)

2ND HARMONIC

3RD HARMONIC

fLO = 1750MHz

-75

-69

-71

-73

-67

-65

-63

-61

-59

-57

-55

80

90

100

110

120

PCS-BAND MIXER

2 x 2 SPURIOUS REJECTION

IF OUTPUT FREQUENCY (MHz)

HGLL, WITHOUT LO DOUBLER

HGHL, WITHOUT LO DOUBLER

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MAX2321 Datasheet(PDF) 12 Page - Maxim Integrated Products

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