MAX2321 datasheet(21/28 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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21 / 28 page

Adjustable, High-Linearity,

SiGe Dual-Band LNA/Mixer ICs

______________________________________________________________________________________

21

20

19

18

17

16

15

14

13

1

2

3

4

5

6

7

8

12

11

R6

7.5k

R4

2k

R1

20k

BUFFERED

LO OUTPUTS

VCC

C5

100pF

C6

22pF

C7

100pF

C12

3.9pF

C14

1.5pF

C15

6800pF

C18

1pF

C2

100pF

C3

100pF

C4

100pF

1.65nH

1pF

PCS DUPLEXER

DIPLEXER

CELLULAR LO

CELLULAR

DUPLEXER

3.3pF

6800pF

C19

2.7pF

C17

6800pF

C11

3.9pF

C8

2.2pF

C10

1000pF

C13

0.01

µF

C9

1000pF

L3

270nH

L4

120nH

L5

120nH

LOGIC

INPUT

FM

TO VGA

184MHz

869MHz–894MHz

1930MHz–1990MHz

TO VGA

VCC

R2

51

Ω

R2

51

Ω

9

10

MAX2321

LNAINH

RLNA

LNAOUTL

LNAOUTH

GAIN

LIN

BAND

LNAINL

LOHIN

LOLIN

MIXINH

L6

5.6nH

L1

1.8nH

L2

6.8nH

3.85nH

MIXINL

RBIAS

CDMA+

CDMA-

BUFFEN

VCC

FMOUT

LOLOUT

LOHOUT

x2

MAX2321

(DUAL BAND, DUAL VCO INPUTS, LO DOUBLER, DUAL IF OUTPUTS, AND LO BUFFER)

NOTE: THE MAX2321 IS RECOMMENDED FOR

TRIPLE-MODE PHONES.

KEY FEATURE: LO DOUBLER FOR SINGLE VCO

OPERATION.

R5

20k

4.7nH

6800pF

4.7nH

C1

100pF

VCC

R11

30

Ω

Typical Application Circuits (continued)

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MAX2321 Datasheet(PDF) 21 Page - Maxim Integrated Products

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