參數(shù)資料
型號(hào)： HFA3861AIN96
廠商： INTERSIL CORP
元件分類： 無(wú)繩電話/電話
英文描述： Circular Connector; No. of Contacts:21; Series:MS27473; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:22; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:22-21 RoHS Compliant: No
中文描述： TELECOM, CELLULAR, BASEBAND CIRCUIT, PQFP64
封裝： 10 X 10 MM, PLASTIC, MS-026ACD, TQFP-64
文件頁(yè)數(shù)： 16/37頁(yè)
文件大?。?/td> 440K
代理商： HFA3861AIN96
16
PN Correlators Description
There are two types of correlators in the HFA3861A
baseband processor. The first is a parallel matched
correlator that correlates for the Barker sequence used in
preamble, header, and PSK data modes. This PN correlator
is designed to handle BPSK spreading with carrier offsets up
to
±
50ppm and 11 chips per symbol. Since the spreading is
BPSK, the correlator is implemented with two real
correlators, one for the I and one for the Q Channel. The
same Barker sequence is always used for both I and Q
correlators.
These correlators are time invariant matched filters otherwise
known as parallel correlators. They use one sample per chip for
correlation although two samples per chip are processed. The
correlator despreads the samples from the chip rate back to the
original data rate giving 10.4dB processing gain for 11 chips per
bit. While despreading the desired signal, the correlator
spreads the energy of any non correlating interfering signal.
The second form of correlator is the correlator function used
for detection of the CCK modulation. For the CCK modes,
the correlation function uses a Fast Walsh Transform to
PREAMBLE/HEADER
CRC-16
GENERATOR
TX_AGC_IN (18)
V
REF
(16)
I
REF
(21)
ANTSEL (39)
(60) CCA
TX_DATA
SCRAMBLER
(58) TXD
P
(52) RXCLK
MODULATOR,
BARKER/CCK
TXI (23, 24)
TXQ (29, 30)
TIMING
GENERATOR
MCLK
(12, 17, 22, 31)
V
DD
(ANALOG)
(2, 8, 37, 57)
V
DD
(DIGITAL)
(9, 15, 20, 25, 28)
GND (ANALOG)
(1, 7, 36, 43, 56)
GND (DIGITAL)
(55) TXCLK
(59) TX_RDY
(62) TX_PE
ANTSEL (40)
(4) SCLK
(3) SD
(64) SDI
(5) R/W
(6) CS
S
P
T
P
(42)
MCLK
T
(45)
T
(44)
(46)
T
(47)
T
(48)
T
(49)
T
(50)
T
(51)
T
TEST PORT
FIGURE 11. DSSS BASEBAND PROCESSOR, TRANSMIT SECTION
TX AGC
CONTROL
TRANSMIT
FILTER
O
T
O
DAC
DAC
TX
STATE
CONTROL
TX_IF_AGC (35)
6-BIT
DAC
REGISTER
6-BIT
ADC
HFA3861A
相關(guān)PDF資料
PDF描述
HFA3861AIN 288 MACROCELL 3.3 VOLT ISP CPLD
HFA3863IN Direct Sequence Spread Spectrum Baseband Processor
HFA3863IN96 Direct Sequence Spread Spectrum Baseband Processor
HFA3863 Direct Sequence Spread Spectrum Baseband Processor(直接序列擴(kuò)譜基帶處理器)
HFA3983IV96 2.4GHz Power Amplifier and Detector
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HFA3861B 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Direct Sequence Spread Spectrum Baseband Processor
HFA3861BIN 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Direct Sequence Spread Spectrum Baseband Processor
HFA3861BIN96 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Direct Sequence Spread Spectrum Baseband Processor
HFA3861IV 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Direct Sequence Spread Spectrum Baseband Processor
HFA3861IV96 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Direct Sequence Spread Spectrum Baseband Processor
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。

采購(gòu)需求

(若只采購(gòu)一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購(gòu)。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購(gòu)

我的聯(lián)系方式

*
*
*