MSM7583 Просмотр технического описания (PDF) - Oki Electric Industry

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Компоненты Описание

производитель

MSM7583

π/4 Shift QPSK MODEM

Oki Electric Industry 

¡ Semiconductor

BLOCK DIAGRAM

MSM7583

VDD

DGND

AGND

IFIN1

MCK

IFCK

X2

X1

DEN

EXCK

DIN

DOUT

PDN0

PDN1

PDN2

RESET

IFN2

BST0

I+

I–

Q+

Q–

ENV

SG

Phase Detector

S

E

L

IFSEL1

(From CR)

IFSEL0

(From CR)

To each block

D

E

C

Delay Detector

SL11

SL21

SL31

SL41

Control

Register

To each block

SL11

D

E

SL21

C

SL31

SL41

AFC

Decision

SLS11

SLS21

AFC1

RXD1

RXC1

RXSC1

RCW1

RPR1

S

DPLL

E

L

S

RXD0

E

RXC0

L

RXSC0

S

DPLL

E

L

RXSEL

Phase Detector

Delay Detector

AFC

Decision

RPR2

RCW2

RXCS2

RXC2

RXD2

AFC2

SLS21

SLS22

+1

–1

DC Offset

Adjust

+1

–1

DC Offset

Adjust

LPF

D/A

I output gain adjust

LPF

D/A

Q output gain adjust

+1

LPF

D/A

VREF

To internal SG

Root Nyquist

LPF

S/P

MAPPING

TXD

TXW

S

3.84 MHz

To D/A

E

PLL

L

To monitor

output of

each block

TEST1, TEST0 (From CR)

1/10

TXCEL (From CR)

384 kHZ

TXCI

TXCO

2/23

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