A High Frequency Current Controlled Oscillator For Integrated Circuits Microform
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Author | : Erasto M. (Erasto Muganyizi) Kashoro |
Publisher | : National Library of Canada |
Total Pages | : 0 |
Release | : 1982 |
Genre | : Feedback oscillators |
ISBN | : 9780315123700 |
Download A High Frequency Current-controlled Oscillator for Integrated Circuits [microform] Book in PDF, Epub and Kindle
A sinusoidal RC-oscillator built around a current-controlled current amplifier is presented. Three main problems associated with RC-oscillators, namely poor frequency performance, amplitude drift and a large temperature coefficient of frequency, are addressed, and ways of solving these problems are discussed. The large temperature sensitivities typical of active RC networks were reduced by eliminating the active portion of the drift. This was accomplished through the use of thermally balanced amplifiers whose operation is independent of transistor parameters. It is shown that the frequency performance of a typical Wien-oscillator is significantly improved when fast current amplifiers are used to replace commercial voltage operational amplifiers. The generation of a sinusoidal signal directly from the oscillator gave a lower total harmonic distortion (THD) than in the more popular approaches using multivibrators and shaping networks. A new method for stabilizing the amplitude of oscillation has been developed. It employs a high frequency rectifier and a comparator in a feedback loop which is connected to the RC network of the oscillator through an active current divider. The feedback loop regulates the current in the RC network and thereby stabilizes the amplitude. A linear automatic gain control (AGC) model was developed and the stability requirements for the amplitude control loop were studied. Frequency stabilization for oscillators is a very difficult task. Most communication systems requiring tight frequency stability incorporate frequency synthesizers which have a large IC count and are expensive.
Author | : J. van der Tang |
Publisher | : Springer Science & Business Media |
Total Pages | : 330 |
Release | : 2006-01-12 |
Genre | : Technology & Engineering |
ISBN | : 0306487160 |
Download High-Frequency Oscillator Design for Integrated Transceivers Book in PDF, Epub and Kindle
This text covers the analysis and design of all high-frequency oscillators required to realize integrated transceivers for wireless and wired applications. Starting with an in-depth review of basic oscillator theory, the authors provide a detailed analysis of many oscillator types and circuit topologies.
Author | : Winston Y. Sun |
Publisher | : |
Total Pages | : |
Release | : 1985 |
Genre | : |
ISBN | : |
Download A High Frequency Voltage-controlled Oscillator Book in PDF, Epub and Kindle
Author | : Raj Senani |
Publisher | : Springer |
Total Pages | : 637 |
Release | : 2015-11-26 |
Genre | : Technology & Engineering |
ISBN | : 3319237128 |
Download Sinusoidal Oscillators and Waveform Generators using Modern Electronic Circuit Building Blocks Book in PDF, Epub and Kindle
This book serves as a single-source reference to sinusoidal oscillators and waveform generators, using classical as well as a variety of modern electronic circuit building blocks. It provides a state-of-the-art review of a large variety of sinusoidal oscillators and waveform generators and includes a catalogue of over 600 configurations of oscillators and waveform generators, describing their relevant design details and salient performance features/limitations. The authors discuss a number of interesting, open research problems and include a comprehensive collection of over 1500 references on oscillators and non-sinusoidal waveform generators/relaxation oscillators. Offers readers a single-source reference to everything connected to sinusoidal oscillators and waveform generators, using classical as well as modern electronic circuit building blocks; Provides a state-of-the-art review of a large variety of sinusoidal oscillators and waveform generators; Includes a catalog of over 600 configurations of oscillators and waveform generators, with their relevant design details and their salient performance features/limitations.
Author | : Sameer Vasantlal Vora |
Publisher | : |
Total Pages | : 192 |
Release | : 1998 |
Genre | : |
ISBN | : |
Download A High Speed Integrated Voltage Controlled Oscillator in Commercial CMOS Technology Book in PDF, Epub and Kindle
Author | : Johan David van der Tang |
Publisher | : |
Total Pages | : 303 |
Release | : 2002 |
Genre | : |
ISBN | : 9789038619705 |
Download High Frequency Oscillator Design for Integrated Transceivers Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 1158 |
Release | : 1985 |
Genre | : Canada |
ISBN | : |
Download Canadiana Book in PDF, Epub and Kindle
Author | : Joseph Warren Kenny |
Publisher | : |
Total Pages | : 110 |
Release | : 1961 |
Genre | : Block diagrams |
ISBN | : |
Download High Frequency Transistor Oscillators Book in PDF, Epub and Kindle
The operation of high frequency class-C alloy junction transistor oscillators is studied by use of a simplified version of the block-diagram representation for the transistor as developed by Bruun. For the simplified version of the block-diagram representation used, unilateral operation of the transistor is assumed. Expressions approximating the transistor time delay, peak ac input voltage, and the collector current pulse cutoff time are derived by use of the block-diagram equations. An analog circuit, derived from the block-diagram equations, is used to study the class-C operation of a typical alloy junction transistor, and the results of this study are found to compare accurately with the actual transistor operation. (Author).
Author | : Rudolf F. Graf |
Publisher | : Elsevier |
Total Pages | : 193 |
Release | : 1996-12-15 |
Genre | : Technology & Engineering |
ISBN | : 0080513417 |
Download Oscillator Circuits Book in PDF, Epub and Kindle
This series of circuits provides designers with a quick source for oscillator circuits. Why waste time paging through huge encyclopedias when you can choose the topic you need and select any of the specialized circuits sorted by application?This book in the series has 250-300 practical, ready-to-use circuit designs, with schematics and brief explanations of circuit operation. The original source for each circuit is listed in an appendix, making it easy to obtain additional information. Ready-to-use circuits Grouped by application for easy look-up Circuit source listings
Author | : Randy Ping Leong Tsang |
Publisher | : |
Total Pages | : 134 |
Release | : 1984 |
Genre | : |
ISBN | : |
Download High Frequency CMOS Voltage-controlled Oscillator Book in PDF, Epub and Kindle