Download Measuring Signal Generators: Theory & Design by Yu. K. Rybin PDF
By Yu. K. Rybin
The e-book brings jointly the next issues:
- Theory of deterministic, random and discrete indications reproducible in oscillatory structures of generators;
- Generation of periodic signs with a unique spectrum, harmonic distortion issue and random indications with specific likelihood density functionality and spectral density;
- Synthesis of oscillatory approach structures;
- Analysis of oscillatory structures with non-linear components and oscillation amplitude stabilization systems;
- It considers the stipulations and standards of steady-state modes in sign turbines on energetic four-pole parts with unidirectional and bidirectional transmission of signs and on two-pole parts; analogues of Barkhausen criteria;
- Optimization of oscillatory procedure constructions by way of harmonic distortion point, minimization of a frequency errors and set-up time of the regular kingdom mode;
- Theory of development of random sign generators;
- Construction of discrete and electronic sign generators;
- Practical layout of major devices of generators;
- Practical block diagrams of either analog and electronic sign generators.
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Additional info for Measuring Signal Generators: Theory & Design
Example text
However, they have some disadvantages: • all of them cannot be implemented in stand-alone and portable generators since they require high-power computers to be synthesized, which is not always possible because of higher cost of a device with built-in PC; • high-quality primitives cannot be reproduced since there is no possibility to synthesize signals with specified parameters. For example, it is difficult if not impossible to generate signals with a given spectrum, harmonic distortion factor etc.
Properly speaking, such a system of equations simulated by means of the electrical circuit with transistors or operational amplifiers gave rise to the Russian sine wave RC- and LC generators (G3 and G4 groups). This is the most promising method for constructing such generators. In recent years, having been driven by the intensive implementation of information technologies in the measuring instrumentation, a new direction in the synthesis of signals has arisen and is dynamically developing. It has not received a common name yet because of diverse forms of its implementation.
It is known to be random, uniformly distributed over the range [0, 2-r] and not depend on the coefficients cn. If signals are generated by analog electronics, the error is also determined by errors of reproducing functions and coefficients, as well as summation. If we take into account only one component of the error for both cases, namely the error of setting cn, the resulting errors can be represented as follows: pffiffiffiffiffiffi D1 ¼ DN; D2 ¼ D cN ; where D is the error of setting the summation factors, N is the number of term of sums.