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CMX589AP4 参数 Datasheet PDF下载

CMX589AP4图片预览
型号: CMX589AP4
PDF下载: 下载PDF文件 查看货源
内容描述: 调制解调器电路| MODEM | CMOS | DIP | 24PIN |塑料\n [MODEM CIRCUIT|MODEM|CMOS|DIP|24PIN|PLASTIC ]
分类和应用: 调制解调器
文件页数/大小: 23 页 / 556 K
品牌: CMLMICRO [ CML MICROCIRCUITS ]
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CML Microcircuits
COMMUNICATION SEMICONDUCTORS
CMX589A
GMSK Modem
D/589A/4 April 2002
Features and Applications
Data Rates from 4kbps to 200kbps
Full or Half Duplex Gaussian Filter and Data
Recovery for Minimum Shift Keying (GMSK)
Designs
Selectable BT: (0.3 or 0.5)
Low Power
3.0V, 20kbps, 1.5mA typ.
5.0V, 64kbps, 4.0mA typ.
Low Current Non-DSP Solution
Small TSSOP Packs fit PCMCIA/PC Cards
Portable Wireless Data Applications
Cellular Digital Packet Data (CDPD)
Mobitex™ Mobile Data System
Spread Spectrum Data Links
GPS/Differential GPS Wireless Links
Point-of-Sale Terminals
Low Power Wireless Data Link for PCs,
Laptops, and Printers
Brief Description
The CMX589A is a single-chip synchronous data pump/modem designed for Wireless Data Applications.
Employing Gaussian filtering for Minimum shift Keying (GMSK) baseband modulation applications, the
CMX589A features a wide range of available data rates from 4k to 200k bps. Data Rates and the choice of
BT (0.3 or 0.5) are pin programmable to provide for different system requirements.
The Tx and Rx digital data interfaces are bit serial, synchronized to generated Tx and Rx data clocks.
Separate Tx and Rx Powersave inputs allow full or half-duplex operation. Rx input levels can be set by
suitable AC and DC level adjusting circuitry built with external components around an on-chip Rx Input
Amplifier.
Acquisition, Lock, and Hold of Rx data signals are made easier and faster by the use of Rx Control Inputs
to clamp, detect, and /or hold input data levels and can be set by the
µProcessor
as required. The Rx S/N
output provides an indication of the quality of the received signal.
The CMX589A may be used with a 3.0V to 5.5V power supply and is available in the following packages:
24-pin TSSOP (CMX589AE2), 24-pin SSOP (CMX589AD5), 24-pin SOIC (CMX589AD2), and 24-pin PDIP
(CMX589AP4).
©
2002 CML Microsystems Plc