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HFA3861BIN

更新时间： 2024-11-23 22:51:19
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英特矽尔 - INTERSIL /
页数 文件大小 规格书
36页 726K
描述
Direct Sequence Spread Spectrum Baseband Processor

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HFA3861BIN 数据手册

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HFA3861B  
TM  
Data Sheet  
February 2002  
FN4816.2  
Direct Sequence Spread Spectrum  
Baseband Processor  
Features  
• Complete DSSS Baseband Processor  
The Intersil HFA3861B Direct  
Sequence Spread Spectrum (DSSS)  
baseband processor is part of the  
• 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  
PRISM® 2.4GHz WLAN Chip Set,  
and contains all the functions necessary for a full or half  
duplex packet baseband transceiver.  
The HFA3861B 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 HFA3861B 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 HFA3861B is housed in a thin plastic quad  
flat package (TQFP) suitable for PCMCIA board  
• 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 ~50ns  
• Supports Short Preamble Acquisition  
• Supports Antenna Diversity  
Applications  
• Enterprise WLAN Systems  
• Systems Targeting IEEE 802.11 Standard  
• DSSS PCMCIA Wireless Transceiver  
• Spread Spectrum WLAN RF Modems  
• TDMA Packet Protocol Radios  
• Part 15 Compliant Radio Links  
• Portable PDA/Notebook Computer  
• Wireless Digital Audio, Video, Multimedia  
• PCN/Wireless PBX  
applications.  
Ordering Information  
TEMP.  
o
PART NUMBER  
HFA3861BIN  
RANGE ( C)  
-40 to 85  
PACKAGE  
64 Ld TQFP  
PKG. NO.  
Q64.10x10  
HFA3861BIN96  
-40 to 85  
Tape and Reel  
Pinout  
• Wireless Bridges  
Simplified Block Diagram  
ANT_SEL  
6463 62 61 60 59 58 57 56 55 54 53 52 51 50 49  
48  
RX_RF_AGC  
RX_IF_DET  
1
TEST4  
TEST3  
TEST2  
TEST1  
TEST0  
GNDd  
MCLK  
NC  
ANT-SEL  
ANT-SEL  
RX-RF_AGC  
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
7
THRESH.  
DETECT  
DDD  
AGC  
CTL  
SD  
SCLK  
R/W  
RX_IF_AGC  
IF  
DAC  
CS  
GNDd  
RX_I±  
6
6
I ADC  
DEMOD  
I/O  
RX_Q±  
V
DDD  
Q ADC  
GNDa  
RX_I+  
RX_I-  
9
V
REF  
10  
11  
12  
13  
14  
15  
16  
DATA I/O  
V
V
DDD  
DDA  
TX_I±  
6
6
GNDd  
RX_Q+  
RX_Q-  
GNDa  
I DAC  
TX_IF_AGC  
RX_IF_AGC  
COMPCAP1  
TX_Q±  
MOD  
Q DAC  
V
REF  
TX_IF_AGC  
TX_AGC_IN  
7
6
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32  
TX  
TX  
DAC  
ALC  
TX  
ADC  
HFA 3861B BBP  
44MHz MCLK  
1
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 Americas Inc.  
Copyright © Intersil Americas Inc. 2002. All Rights Reserved  
PRISM® is a registered trademark of Intersil Corporation. PRISM and design is a trademark of Intersil Corporation.  
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