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HFA3863IN96

更新时间： 2024-11-23 22:14:15
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英特矽尔 - INTERSIL /
页数 文件大小 规格书
39页 305K
描述
Direct Sequence Spread Spectrum Baseband Processor

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HFA3863IN96 数据手册

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HFA3863  
TM  
Data Sheet  
April 2000  
File Number 4856  
PRELIMINARY  
Direct Sequence Spread Spectrum  
Baseband Processor  
Features  
• Complete DSSS Baseband Processor  
The Intersil HFA3863 Direct Sequence  
Spread Spectrum (DSSS) baseband  
processor is part of the PRISM® 2.4GHz  
radio chipset, and contains all the  
• RAKE Receiver with Decision Feedback Equalizer  
• Processing Gain. . . . . . . . . . . . . . . . . . . . FCC Compliant  
• Programmable Data Rate. . . . . . . . 1, 2, 5.5, and 11Mbps  
• Ultra Small Package. . . . . . . . . . . . . . . . . . . . . 10 x 10mm  
• Single Supply Operation (44MHz Max) . . . . . 2.7V to 3.6V  
• Modulation Methods. . . . . . . . DBPSK, DQPSK, and CCK  
• Supports Full or Half Duplex Operations  
functions necessary for a full or half duplex  
packet baseband transceiver.  
The HFA3863 has on-board A/D’s and D/A for analog I and Q  
inputs and outputs, for which the HFA3783 IF QMODEM is  
recommended. Differential phase shift keying modulation  
schemes DBPSK and DQPSK, with data scrambling capability,  
are available along with Complementary Code Keying to provide  
a variety of data rates. Built-in flexibility allows the HFA3863 to be  
configured through a general purpose control bus, for a range of  
applications. Both Receive and Transmit AGC functions with 7-bit  
AGC control obtain maximum performance in the analog  
portions of the transceiver. The HFA3863 is housed in a thin  
plastic quad flat package (TQFP) suitable for PCMCIA board  
applications. It is pin compatible with the HFA3861B.  
• On-Chip A/D and D/A Converters for I/Q Data (6-Bit,  
22MSPS), AGC, and Adaptive Power Control (7-Bit)  
• Targeted for Multipath Delay Spreads 125ns at 11Mbps,  
250ns at 5.5Mbps  
• Supports Short Preamble and Antenna Diversity  
Applications  
• Enterprise WLAN Systems  
• Systems Targeting IEEE 802.11b Standard  
• DSSS PCMCIA or Mini-PCI Wireless Transceiver  
• Spread Spectrum WLAN RF Modems  
• TDMA or CSMA Packet Protocol Radios  
• Part 15 Compliant Radio Links  
Ordering Information  
TEMP.  
o
PART NUMBER  
HFA3863IN  
RANGE ( C)  
-40 to 85  
PACKAGE  
64 Ld TQFP  
PKG. NO.  
Q64.10x10  
HFA3863IN96  
-40 to 85  
Tape and Reel  
• Portable PDA/Notebook Computer  
• Wireless Digital Audio, Video, Multimedia  
• PCN / Wireless PBX / Wireless Local Loop  
• Wireless Bridges  
Pinout  
Simplified Block Diagram  
6463 62 61 60 59 58 57 56 55 54 53 52 51 50 49  
48  
ANT_SEL  
TEST4  
TEST3  
TEST2  
TEST1  
TEST0  
GNDd  
MCLK  
GNDd  
1
2
3
4
5
6
7
8
V
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
1
DDD  
RX_RF_AGC  
RX_IF_DET  
RX_IF_AGC  
SD  
SCLK  
R/W  
THRESH.  
DETECT  
1
7
AGC  
CTL  
CS  
IF  
DAC  
GNDd  
V
V
DDD  
DDD  
ANT-SEL  
ANT-SEL  
RX-RF_AGC  
GNDa  
RX_I+  
RX_I-  
9
RX_I±  
6
6
I ADC  
10  
11  
12  
13  
14  
15  
16  
DEMOD  
I/O  
RX_Q±  
V
Q ADC  
V
DDD  
DDA  
GNDd  
RX_Q+  
RX_Q-  
GNDa  
V
REF  
DATA I/O  
TX_IF_AGC  
RX_IF_AGC  
COMPCAP1  
TX_I±  
I DAC  
6
6
V
REF  
TX_Q±  
MOD  
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32  
Q DAC  
TX_IF_AGC  
TX_AGC_IN  
7
6
TX  
TX  
ALC  
DAC  
TX  
ADC  
HFA 3863 BBP  
44MHz MCLK  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
1-888-INTERSIL or 321-724-7143 | Intersil and Design is a trademark of Intersil Corporation. | Copyright © Intersil Corporation 2000  
PRISM is a registered trademark of Intersil Corporation. PRISM logo is a trademark of Intersil Corporation.  
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