ELECTRONICS COMPONENTS SALES AND SERVICE

FREQUENCY SYNTHESIZER DESIGN DEVELOPMENT TESTING


frequency synthesizer allows the designer to generate a variety of output frequencies as multiples of a single reference frequency. The main application is in generating local oscillator (LO) signals for the up- and down-conversion of RF signals.

A Σ- Fractional-N Frequency Synthesizer using a wideband integrated VCO and a fast AFC technique for GSM/GPRS/WCDMA Applications
free download

Abstract A fractional-N frequency synthesizer (FNFS) in 0.5-um SiGe BiCMOS technology is implemented. In order to operate wideband frequency range, a switched capacitor bank LC tank VCO and an Adaptive Frequency Calibration (AFC) technique are used. A 3-bit 4th

Vocaloid-commercial singing synthesizer based on sample concatenation
free download

Abstract In this paper we describe the different investigations that are part of the development of a new singing digital musical instrument, adapted to real time performance. It concerns improvement of low level synthesis modules, mapping strategies underlying the

An audio-driven perceptually meaningful timbre synthesizer
free download

Abstract A real-time synthesis engine that models and predicts the timbre of acoustic instruments based on perceptual features is presented. The timbre characteristics and the mapping between control and timbre parameters are inferred from recorded musical data. In

Sample-based singing voice synthesizer by spectral concatenation
free download

ABSTRACT The singing synthesis system we present generates a performance of an artificial singer out of the musical score and the phonetic transcription of a song using a frame-based frequency domain technique. This performance mimics the real singing of a

Integrating complementary spectral models in the design of a musical synthesizer .
free download

Abstract Spectral based analysis/synthesis techniques offer powerful tools for the processing of sounds. They include many different approaches, each one with its own advantages and set of compromises. In the design of a general purpose synthesizer more than one

CASY: The Haskins configurable articulatory synthesizer
free download

ABSTRACT In this paper, we outline some recent developments in the Haskins configurable articulatory synthesizer CASY. The main advances are the adoption of a conic section model of the tongue body, extension of the configurability of the synthesizer parameters to

A punched tape controlled peptide synthesizer
free download

A technical description of a full-automatic system for solid-phase peptide synthesis is presented. The information to the synthesizer is given via punched tape. The use of liquid valves is almost avoided by using gas pressure for transferring reagents and solvents. The

Building a microwave frequency synthesizer Part 1: Getting started
free download

The frequency synthesizer is a key building block of virtually any microwave test and measurement, communication or monitoring system [1-5]. Synthesizers come in a variety of forms ranging from a tiny PLL chip to a bench-top signal generator. Traditionally we imagine

Implementation of CMOS Low-power Integer-N Frequency Synthesizer for SOC Design.
free download

AbstractThe paper reports the implementation of a fre-quency synthesizer for system-on- chip (SOC) design. The epi-digital CMOS process is used to provide SOC solution. This work focuses on low-power consumption to achieve longer life-time of batteries. A 2.4 GHz

A novel three-point modulation technique for fractional-N frequency synthesizer applications
free download

Abstract. This paper presents a novel three-point modulation technique for fractional-N frequency synthesizer applications. Convention modulated fractional-N frequency synthesizers suffer from quantization noise, which degrades not only the phase noise

SA8025 fractional-N synthesizer for 2GHz band applications
free download

The SA8025 is a 3V, 1.8 GHz, SSOP 20-pin packaged fractional-N phase locked-loop (PLL) frequency synthesizer . It is targeted for systems like the Japan Personal Handy Phone System (PHS, formerly PHP) which demands fast switching time and good noise

MARS-Multiple Automated Robotic Synthesizer for Continuous Flow of Peptides
free download

ABSTRACT We have designed and constructed a multiple automated robotic synthesizer ; the MARS. Its novel timing procedure for handling multiple synthetic tasks eliminates unnecessary respite time by keeping the robotic arm ill continuous operation. Polypropylene Ab str act In this paper, we present a datapath synthesis method for high-performance ASICs. The register-transfer behavior of an ASIC is specified using the VHDL or Verilog hardware description language. The method partitions the behavior into two distinct parts:

Recent Advances in Google Real-Time HMM-Driven Unit Selection Synthesizer .
free download

Abstract This paper presents advances in Googlehidden Markov model (HMM)-driven unit selection speech synthesis system. We describe several improvements to the run-time system; these include minimal latency, high-quality and fast refresh cycle for new voices. Page 1. Molecular Diversity, 4: 23 24, 1999. KLUWER/ESCOM 1999 Kluwer Academic Publishers. Printed in the Netherlands. 23 Solid phase synthesis of azapeptides using an automatic synthesizer In-Ae Ahn, Sang Woong KimSeonggu Ro * Biotech Research Institute,

An articulatory synthesizer for the simulation of consonants
free download

We present a model of the lungs, glottis, and vocal tract, that computes numerically the acoustic output that results from the positions, motions, and tensions of the muscles involved. The model is designed to be able to produce almost any possible speech

DEDALUS: The DEDuctive Algorithm Ur- synthesizer
free download

Program synthesis is the automatic construction of programs to meet given specifications. These specifications constitute a high-level description of the desired program which expresses the purpose of the program, without indicating the method by which that purpose

Ssynth: a Real Time Additive Synthesizer With Flexible Control.
free download

What Ssynth: real time additive synthesizer synthesis from the control viewpoint (design implementation) application: conception of new musical instruments further development of Escher [Wanderley, Schnell Rovan, 1998] How implements advanced and flexible control functionalities

Control of the zymate robot with an external computer: Construction of a multiple peptide synthesizer
free download

A multiple peptide synthesizer has been constructed by integrating a Zymate robot arm and a peptide synthesis station of our own design under the control of an Apple Macintosh II computer. The Macintosh software coordinates the movements of the Zymark robot arm, the

Millimeter wave synthesizer locked to an optically transmitted reference using harmonic mixing
free download

G 0S0 Millimeter Mave Sinthesizer Locked to an Opticall Transmitted Reference Using Harmonic Mixing A.Hilt , AZólomyº, T.Berceliº , G.Járó°, E.Udvaryº : BME-MHT, Technical University of Budapest, Department of Microwave Telecommunications Hl ll l Budapest, Goldmann Gy rgy

ACAP: Binary synthesizer based on MIPS object codes
free download

AbstractThis paper presents a binary synthesizerACAP,which synthesizes register transfer level HDL from MIPS object codes. It has three operation modes;(1) a separate compilation mode, in which selected subprograms of the target system are synthesized into

A Synaesthetic Approach for a synthesizer Interface Based on Genetic Algorithms and fuzzy Sets.
free download

ABSTRACT This paper presents the concept and implementation of a graphical user interface for the generation of electronic sounds with a synthesizer . We have successfully implemented a complex system of 3D-computer graphical interfaces controlled by several

An Indian Language Speech SynthesizerTechniques and Applications
free download

Abstract--In the present era of Human Computer Interaction the visually impaired community in India and other developing countries are deprived of technologies that could help them interact with the sighted world, develop their educational infrastructure and consequently

METRIX: A Musical Data Definition Language and Data Structure for a Spectral Modeling Based Synthesizer
free download

Abstract Since the MIDI 1.0 specification, well over 15 years ago, many have been the attempts to give a solution to all the limitations that soon became clear. None of these have had a happy ending, mainly due to commercial interests and as a result, when trying to find

A 2-V 1.8-GHz fully-integrated CMOS frequency synthesizer for DCS-1800 wireless systems
free download

A 2-V 1.8-GHz fully integrated CMOS frequency synthesizer is designed and tested for use in DCS-1800 wireless systems. The synthesizer employs a dual-loop architecture to realize a monolithic design with more optimal trade-off among phase noise, channel spacing,

All digital fractional-N synthesizer for high resolution phase locked loops
free download

Phase Locked Loop, PLL, is clearly the method of choice for generating accurate RF and microwave signals. PLL is quite a mature technology, and a great variety of PLL ASICs are available in the market from a variety of manufacturers. These ASICs contain all the

High-level synthesis of variable accesses and function calls in software compatible hardware synthesizer CCAP
free download

AbstractWe are developing a high-level synthesis system named CCAP (C Compatible Architecture Prototyper), which synthesizes arbitrary functions in ANSI-C programs into hardware modules callable from the remaining software functions executed on a CPU. The

Low power phase locked loop frequency synthesizer for 2.4 GHz band Zigbee
free download

Abstract: Problem statement: Wireless communication systems are required for many applications. There are different standards for these systems. IEEE 802.15. 4 defines the communication system standard for Zigbee. This study discussed designing one of the

Sample-based singing voice synthesizer using spectral models and source-filter decomposition
free download

Abstract: This paper is a review of the work contained in the insides of a sample-based virtual singing synthesizer . Starting with a narrative of the evolution of the techniques involved in it, the paper focuses mainly on the description of its current components and

Automated speech synthesizer and converter in cue symbol generation for hearing impaireds
free download

Abstract:For the interaction of normally speaking personals with hearing impards the communication gap leads to a non-interactive medium for the two communicator. To develop a communication approach in this paper we propose a medium for the conversion of speech ABS TRACT A monolithic frequency synthesizer IC for portable telephones and other applications operates down to 2.7 V at 7.6 mA with 1.2 GHz fin. A second supply powers its chargepump output from 4.5 to 10 V. If an external chargepump is desired, appropriate

Installation of the Optical Replica Synthesizer in FLASH
free download

Abstract During the shutdown in spring 2007 the optical replica synthesizer a novel device to diagnose ultra-short electron bunches, is assembled in the FLASH accelerator. We report on the status of the construction work with emphasis on the two electro-magnetic undulators

Target-driven genetic algorithms for synthesizer control
free download

Abstract A set of experiments is described which use Genetic Algorithms (GAs) to find the synthesizer parameters required to synthesize a target sound. Comparisons between the target and candidate sounds (for the algorithms fitness functions) are calculated via a

Fractional-N Frequency Synthesizer Design Using The PLL Design Assistant and CppSim Programs
free download

In this tutorial we will focus on the design of a Sigma-Delta frequency synthesizer intended for a direct conversion GSM cell phone transmitter. In this section we will review the key performance specifications, and then present the initial PLL specifications for the first-pass

Speech synthesizer using Concatenative synthesis strategy for Marathi language (spoken in Maharashtra, India)
free download

ABSTRACT In this paper, we present the concatenative text-to-speech system and discuss the issues relevant to the development of a Marathi speech synthesizer using different choice of units: words, phonemes as a database. Quality of the synthesizer with different unit

A Computerized Peptide Synthesizer with Feed Back Control
free download

The feed back control in the automated system described is based on perchloric acid titration of free amino groups. If an unsatisfactory yield of coupling or deblocking is found, the coupling or deblocking may automatically be repeated. A complete print out of the synthesis

Design issues of a corpus-based speech synthesizer
free download

As a result of the convergence and integration of telecommunications, information and media technologies today, our world is headed towards the realization of an information based society. The process with the most profound effects in this transition in addition to the

Counter Based Frequency Synthesizer
free download

Abstract-This paper describes architecture a new pure digital frequency synthesizer based on generators, counters and a register. The technique described here is much simpler then other method. Presented synthesizer is the most suitable for the design of VLSI architectures

Study of vowel variations for a Mandarin speech synthesizer
free download

This paper reports the results of an acoustic study of Mandarin Chinese that was carried out for the ATT Mandarin text-to-speech system. We present the optimal classification of vowels for the purpose of the synthesizer and discuss some coarticulation effects and their

Synthesizer design for microwave applications
free download

ABSTRACT The following is an introduction into the PLL basics; specifically, into such items as single-and multiloop synthesizers, including the use of fractional-division and direct digital synthesizers. We will look at the advantages and disadvantages of the various Abstract This paper describes a recently introduced commercial product called the Layout Synthesizer (LAS), which generates CMOS transistor-level layout from netlists without requiring library leaf-cells. LAS can generate blocks with different aspect ratios and pin

Training an articulatory synthesizer with continuous acoustic data.
free download

Abstract This paper reports preliminary results of our effort to address the acoustic-to- articulatory inversion problem. We tested an approach that simulates speech production acquisition as a distal learning task, with acoustic signals of natural utterances in the form of

Human Touch to Tamil Speech Synthesizer
free download

The continuous increase in synthetic speech intelligibility has shifted the focus of attention to naturalness. One of the important aspects of providing naturalness to the synthesized speech involves a great deal of study of the duration of each segment in naturally uttered

Physical model ing of gayageum with application to sound engine in musical synthesizer
free download

Abstract: In this paper, we describe a sound synthesis of Korean musical instrument called gayageum and an implementation of sound engine using a TMS320C6713 DSP. A musical synthesizer consists of three parts: input/output, sound engine for sound synthesis and main

A multi-band phase-locked loop frequency synthesizer
free download

A phase-locked loop (PLL) frequency synthesizer suitable for multi-band transceivers is proposed. The multi-band PLL frequency synthesizer uses a switched tuning voltagecontrolled oscillator (VCO) that covers a frequency range of 111 to 297MHz with a

User-centred design for an open-source 3-D articulatory synthesizer
free download

ABSTRACT We describe our research direction to build a 3-D articulatory speech synthesizer . We are employing a user-centred design approach to develop the synthesizer . The end result will be added to the open-source research community. The system

Ultra-high stability synthesizer for diode laser pumped rubidium
free download

Abstract We describe the design of a synthesized local oscillator for a rubidium [Rb] passive frequency standard pumped by radiation from a diode laser. The design goals for this new oscillator are: 1) To operate at room temperature, 2) To have the ability to step quickly to

Statistical synthesizer with embedded prosodic and spectral modifications to generate highly intelligible speech in noise.
free download

Abstract This paper describes a statistical parametric speech synthesizer that, despite having been trained on an ordinary synthesis database and without any adaptation data, is able to generate highly intelligible speech in noisy environments. By using a simple and

Design and implementation of a software sound synthesizer
free download

As a conclusion, the composite synthesis architecture was found to be relatively intuitive and realizable. The generic object-oriented design methodology applied appeared to be well suited to the design of sound synthesis systems in general, but was considered to be too

ELECTRONICS COMPONENTS SALES AND SERVICE-INTEGRATED CIRCUIT-ANALOG, DIGITAL, DSP, RF IC, WIRLESS IC, VLSI, CAPACITOR, RESISTOR, INDUCTOR, PCB, MODULE, SENSOR