AD8347 데이터 시트보기 (PDF) - Analog Devices

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AD8347

Direct Conversion Quadrature Demodulator

Analog Devices 

AD8347

Evaluation Board

Figure 11 shows the schematic of the AD8347 evaluation board.

Note that uninstalled components are indicated with the “open”

designation. The board is powered by a single supply in the

range of 2.7 V to 5.5 V. Table I details the various configuration

options of the evaluation board.

J7

IMXO

J4

RFIP

TP1

J3

LO

+VS

R35

4

5 T1

J6

0⍀

3

1 ETC 1-1-13

R37

IOPN

0⍀

C2

C3

R36

100pF

R17

100pF

J5

0⍀

200⍀

IOPP

C6 C5

R38

C1

J11

0.1␮F

0.1␮F 100pF

AD8347

1 LOIP

LOIN 28

0⍀

VCMO

2 VPS1

COM1 27

L3

L2

L1

(OPEN) (OPEN) (OPEN)

C18

C4

C19

(OPEN) (OPEN) (OPEN)

C22

C20

C21

C17

(OPEN) (OPEN) (OPEN) (OPEN)

+VS

TP2

R6

0⍀

R8

(OPEN)

LK5

R39

(OPEN)

C11

100pF

LK1

R18

200⍀

C12

100pF

C7

0.1␮F

C8

100pF

C13

TP3

0.1␮F

3 IOPN

4 IOPP

5 VCMO

6 IAIN

7 COM3

8 IMXO

9 COM2

10 RFIN

11 RFIP

12 VPS2

13 IOFS

14 VREF

QOPN 26

QOPP 25

QAIN 24 TP5

L4

R33

(OPEN)

0⍀ R34

(OPEN)

L6

(OPEN)

L5

(OPEN)

COM3 23

LK4

QMXO 22

VPS3 21 C10

VDT1 20 100pF

C30

C26

C31

(OPEN) (OPEN) (OPEN)

+VS

C9

C25

0.1␮F LK6 (OPEN)

C29

(OPEN)

C28

(OPEN)

C27

(OPEN)

VAGC 19

VDT2 18

VGIN 17

QOFS 16

ENBL 15

LK2

R40

(OPEN)

LK3

VPOS

A

SW1

B

C15

0.1␮F

TP6

C14

0.1␮F

C16

0.1␮F

Figure 11. Evaluation Board Schematic

J1

QOPN

J2

QOPP

J8

QMXO

J9

VAGC

J10

VGIN

–18–

REV. 0

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