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FX919AD2 PDF预览

FX919AD2

更新时间: 2024-10-30 10:27:35
品牌 Logo 应用领域
CMLMICRO 调制解调器电信集成电路电信电路光电二极管
页数 文件大小 规格书
44页 1531K
描述
4-Level FSK Modem Data Pump

FX919AD2 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:SOP, DIP24,.6Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.77
Is Samacsys:NJESD-30 代码:R-PDSO-G24
JESD-609代码:e0长度:15.4 mm
功能数量:1端子数量:24
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:DIP24,.6封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):NOT SPECIFIED
电源:3.3/5 V认证状态:Not Qualified
座面最大高度:2.65 mm子类别:Modems
最大压摆率:6.3 mA表面贴装:YES
技术:CMOS电信集成电路类型:MODEM-SUPPORT CIRCUIT
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽度:7.5 mmBase Number Matches:1

FX919AD2 数据手册

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CML Semiconductor Products  
4-Level FSK Modem Data Pump FX919A  
D/919A/4 June 1996  
1.0  
Features  
Advance Information  
· 4-Level FSK Modulation  
· Flexible Operating Modes  
· Host Bus Interface  
· Half Duplex, 4800 to 19.2k bits/sec  
· Full Packet Data Framing  
· Low Power 3.3V to 5V Operation  
· 24-Pin Small Form Package Option  
1.1  
Brief Description  
The FX919A is a CMOS integrated circuit that contains all of the baseband signal processing and Medium  
Access Control (MAC) protocol functions required for a high performance 4-level FSK Wireless Packet Data  
Modem. It interfaces with the modem host processor and the radio modulation/demodulation circuits to deliver  
reliable two-way transfer of the application data over the wireless link.  
The FX919A assembles application data received from the processor, adds forward error correction (FEC) and  
error detection (CRC) information and interleaves the result for burst-error protection. After adding symbol and  
frame sync codewords, it converts the packet into filtered 4-level analogue signals for modulating the radio  
transmitter.  
In receive mode, the FX919A performs the reverse function using the analogue signals from the receiver  
discriminator. After error correction and removal of the packet overhead, the recovered application data is  
supplied to the processor. Any residual uncorrected errors in the data will be flagged. A readout of the SNR  
value during receipt of a packet is also provided.  
The FX919A uses data block sizes and FEC/CRC suitable for applications which require the high-speed  
transfer of data over narrow-band wireless links. The device is programmable to operate at most standard bit-  
rates from a wide choice of Xtal/clock frequencies.  
ã 1996 Consumer Microcircuits Limited  

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