Ndc-comm HWB3163 Manual do Utilizador descarregar pdf (Página 4)

4

FIGURE 1. WIRELESS LAN PC CARD BLOCK DIAGRAM

6

7

6

6

6

6

6

1

1

HFA3861B BBP

AGC

CTL

RAKE

TX

ALC

AND

DEMOD

RF

DAC

RF

ADC

IF

DAC

I ADC

Q ADC

TX

DAC

TX

ADC

I DAC

Q DAC

MOD

I/O

AND

FILTER

IF LO

I/Q LO

PLL

HFA3783 (FILE #4633)

IF I/Q MOD/DEMOD

RF LO

PLL

HFA3683A

RF/IF CONVERTER

HFA3983

PA

REF_OUT

CONTROL

TEST I/O

HFA3841 MAC

(FILE #4661)

HOST PC

INTERFACE

MEMORY

ACCESS

ARBITER

HOST

INTERFACE

LOGIC

RADIO

DATA

INTERFACE

RADIO

CONTROL

PORTS

GP

SERIAL

PORTS

WEP

ENGINE

CPU

16-BIT

PIPELINED

CONTROL

PROCESSOR

EXTERNAL

MEMORY

(FILE #4635)

(FILE #4634)

(FILE #4816)

VCO

VCO

OSC

BUFFER

V

CTRL

V

CTRL

44MHz

Application Note 9864

1 2 3 4 5 6 7 8 9 10 11

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