ICCSC'02. 1st IEEE International Conference on Circuits and Systems for Communications. Proceedings (IEEE Cat. No.02EX605)
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A CMOS OTA-C channel-select filter for mobile receiver
- Trang 50-53
A low-power fifth-order 100 kHz CMOS Gm-C filter intended for baseband mobile communication is presented. The operational transconductance amplifier (OTA) used in this filter has a measured input linear range up to 2 Vpp. The filter fabricated in 1.5 /spl mu/m CMOS technology dissipates 600 /spl mu/W from a single 3.3 V supply.
#Filters #Voltage #Transconductance #Baseband #Operational amplifiers #CMOS analog integrated circuits #CMOS technology #GSM #Feedback loop #Informatics
Design and implementation of high-speed Reed-Solomon decoder
- Trang 146-149
This paper presents a new VLSI design and implementation of a high-speed three-stage pipelining Reed-Solomon decoder based on the modified Euclidean algorithm. A new multiplier and inversion for GF(2/sup m/) are implemented on the composite field GF(2/sup 2n/) (m=2n), which offers lower hardware requirements compared to standard Mastrovito multiplier and ROM respectively. By setting the new initia......
#Reed-Solomon codes #Decoding #Hardware #Delay #Very large scale integration #Algorithm design and analysis #Pipeline processing #Read only memory #Clocks #Throughput
Phase locked loops for array processors
- Trang 281-282
In modern computers the processor synchronization problem arises. In array processors the clock skew may be significant. The last may lead to the incorrect working of parallel algorithms. The problem of a clock skew in high-speed systems is so important that modern VLSI chips are often supplied by several phase locked loops, placed on one chip. In this case the phase locked loops can be used for c......
#Phased arrays #Phase locked loops #Clocks #Equations #Frequency synchronization #Very large scale integration #Stability #Transfer functions #Sufficient conditions #Hardware
A design environment using C for effective layout synthesis and development of reusable libraries
- Trang 382-385
A novel approach is presented to effectively generate process retargetable cell layout. The method is based on the general purpose computer language C. A set of functions has been defined which allows the generation and handling of complex parameterizable devices. The implementation of technology setup is described. The method is demonstrated for some mixed signal applications using several differ......
#Libraries #CMOS technology #Circuit synthesis #Electronic design automation and methodology #Computer languages #Signal synthesis #Databases #Switches #Application software #Circuits and systems
The statistical detection method of unauthorized intrusions in the Rayleigh fading channel
- Trang 424-427
The choice of the detection methods of unauthorized intrusions in the radio channel, during sessions, are parsed in the report. The article shows the mathematical model of the intrusions detection method, based on the statistical characteristics assessment of the Rayleigh fading channel, and also presents the filtering algorithm of the received signal. The results of probing can be useful to syste......
#Fading #Protection #Signal analysis #Signal processing #Frequency shift keying #Intrusion detection #Access protocols #Receivers #Mathematical model #Filtering algorithms
An overview of Bluetooth Wireless Technology/sup TM/ and some competing LAN standards
- Trang 206-211
Bluetooth Wireless Technology/sup TM/ is a low-cost cable-replacement method for connecting computer-based devices in home and small office environments. Intended as a universal, global standard, it has not developed as fast or as pervasively as initially hoped, but is having a major impact. This tutorial overview presents basic concepts of the Bluetooth standard, the transmission and modulation e......
#Bluetooth #Wireless LAN #Joining processes #Home computing #Standards development #Communication standards #Frequency #Spread spectrum communication #Protocols #Personal area networks
An analog bipolar-JFET master slice array for multichannel front-end electronics
- Trang 20-23
The analog bipolar-JFET Master Slice Array (MSA) has been designed to implement multichannel ICs used in front-end and common-use electronics as well. Functionally complicated ICs can be designed on the basis of this MSA due to the universal construction of the MSA's active and passive elements. The high quality of active element parameters, number and values of resistors and capacitors make it po......
#Tiles #Resistors #Analog integrated circuits #Nuclear electronics #Semiconductor devices #Bonding #MOS capacitors #Capacitance #Operational amplifiers #Filters
Static-induction transistor for very-high-speed ICs
- Trang 404-407
The structure and model of a static-induction transistor (SIT) with Schottky barrier for very-high-speed ICs have been developed. Simulation analysis results of IC logic elements based on complementary SITs is provided. The prospects of VLSI realization based on complementary SITs is discussed.
#Voltage #Schottky barriers #Very large scale integration #Doping #Tunneling #Ballistic transport #Logic #Frequency #Semiconductor process modeling #Temperature dependence
Wideband microwave chaotic oscillators
- Trang 296-299
The report is devoted to design of wideband chaotic oscillators and microwave implementations. A model of a basic chaotic oscillator is considered. Results of both simulation and experiments are demonstrated. Examples of chaotic modes in different frequency bands and with spectrum bandwidths up to 30% with respect to the central frequency are given.
#Chaos #Microwave oscillators #Chaotic communication #Power capacitors #Frequency #Voltage-controlled oscillators #Wideband #Microstrip #Character generation #Microwave transistors
A non-quasi-static small-signal model of the four-terminal MOSFET for radio and microwave frequencies
- Trang 316-319
An original, fully analytical non-quasi-static (NQS) small-signal model of the MOS transistor is proposed for analysis and simulation of radio and microwave frequency circuits. We report results of frequency-domain analysis, the main features and experimental verification of the novel NQS four-terminal model derived in the time-domain (Kordalski, Int. Conf. on Signals and Electron. Sys., 2000). Th......
#MOSFET circuits #Microwave frequencies #Analytical models #Circuit simulation #Microwave circuits #Frequency domain analysis #Time domain analysis #Electrons #Computational modeling #Physics computing