HFA3861B Просмотр технического описания (PDF) - Intersil

Номер в каталоге

Компоненты Описание

Список матч

HFA3861B

Direct Sequence Spread Spectrum Baseband Processor

Intersil 

RX_IF_DET (19)

RX_IF_AGC (34)

RX-RF-AGC (38)

RXI (10, 11)

RXQ (13, 14)

ANTSEL (40)

ANTSEL (39)

VDD (ANALOG)

(12, 17, 22, 31)

HFA3861B

GND (ANALOG)

(9, 15, 20, 25, 28)

VDD (DIGITAL)

(2, 8, 37, 57)

GND (DIGITAL)

(1, 7, 36, 43, 56)

6-BIT

DAC

AGC

CONTROL

CLEAR CHANNEL

ASSESSMENT/

SIGNAL QUALITY

CMF

TRAINING

6-BIT

A/D

6

6-BIT

A/D 6

DESPIN

8

PEAK

EXTRACT.

8

BIT

SYNC

DPSK

DEMOD

RX_DATA

DESCRAMBLER

SYMBOL

TRACKING

CHIP

DE

COVER

CCK

CORREL

SYMBOL

DECISION

(60) CCA

(53) RXD

(52) RXCLK

(54) MD_RDY

NCO

ANTENNA

SWITCH

CONTROL

RECEIVE

STATE

MACHINE

TIMING

GENERATOR

MCLK

(63)

(61)

(42)

RESET RX_PE MCLK

LOOP

FILTER

6-BIT

DAC

6-BIT

DAC

TEST PORT

(3) SD

(4) SCLK

(64) SDI

(5) R/W

(6) CS

TXI (23, 24)

TXQ (29, 30)

(44) (45) (46) (47) (48) (49) (50) (51)

FIGURE 13. DSSS BASEBAND PROCESSOR, RECEIVE SECTION

17

Share Link: