Apl2
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Analog Filters Handbook using APL-2
Author: Carlos Fernández Marzalo
language: en
Publisher: Springer Nature
Release Date: 2025-11-05
This book describes the analog filter synthesis method proposed by Darlington but adapted to current calculation capabilities. It is an eminently practical text, and its readers must have basic knowledge of network theory, signal theory and notions of complex variable calculation. Unlike other publications, the main purpose of the Analog Filters Handbook using APL-2 is to accompany the engineer throughout the design cycle of a filter with the peculiarities that the designer has imposed to solve a specific problem. The Analog Filters Handbook using APL-2, in addition to including the usual calculation procedures, includes Newton–Raphson debugging procedure. The Analog Filters Handbook using APL-2 reviews the fundamental topics in the synthesis of dipoles such as the natural frequencies and positive real functions. It is important to highlight the generalization of the canonical form of Foster, which makes it possible to obtain the residual function, after removing a pole, in a way that can be approached by automatic calculation. However, the reader may skip them without losing the continuity of the explanation. The Analog Filters Handbook using APL-2 develops a thorny topic such as that of filters with coupled resonators and presents a novel path for their synthesis. The study of stepped filters, very little developed in the specialized literature, is also addressed. The Analog Filters Handbook using APL-2 develops the procedures to design any loss function using active circuits by means of the automatic “chopping” of the transfer functions into basic cells. The Analog Filters Handbook using APL-2 deals extensively with the topic of equalizers, both phase and amplitude. Finally, the Hilbert and Shelving-type audio-frequency filters are developed. The Analog Filters Handbook using APL-2 is primarily intended for analog and RF circuit engineers, graduate students, and RF CAE software engineers.
APL2 at a Glance
For Jr/Sr level intro to APL and comparative programming languages courses. Tutorial on second generation of APL language.
Kinematic Geometry of Gearing
Building on the first edition published in 1995 this new edition of Kinematic Geometry of Gearing has been extensively revised and updated with new and original material. This includes the methodology for general tooth forms, radius of torsure’, cylinder of osculation, and cylindroid of torsure; the author has also completely reworked the ‘3 laws of gearing’, the first law re-written to better parallel the existing ‘Law of Gearing” as pioneered by Leonard Euler, expanded from Euler’s original law to encompass non-circular gears and hypoid gears, the 2nd law of gearing describing a unique relation between gear sizes, and the 3rd law completely reworked from its original form to uniquely describe a limiting condition on curvature between gear teeth, with new relations for gear efficiency are presented based on the kinematics of general toothed wheels in mesh. There is also a completely new chapter on gear vibration load factor and impact. Progressing from the fundamentals of geometry to construction of gear geometry and application, Kinematic Geometry of Gearing presents a generalized approach for the integrated design and manufacture of gear pairs, cams and all other types of toothed/motion/force transmission mechanisms using computer implementation based on algebraic geometry.