INTRODUCTION TO DIGITAL FILTERS

EBook Description: Musicians have been using filters for thousands of years to shape the sounds of their art in various ways. For example, the evolution of the physical dimensions of the violin constitutes an evolution in filter design. The choice of wood, the shape of the cutouts, the geometry of the bridge, and everything that affects resonance all have a bearing on how the violin body filters the signal induced at the bridge by the vibrating strings.

The objective of this section will be to show how to use the first- and second-order filters to achieve higher order filters. We shall also introduce a general, second-order stage called the biquad.

Discrete Filter Notes (PDF 30p)

The other approach uses a ladder configuration and is presented in this section. Both approaches are used to design successful higher-order active filters. The cascade approach is easier to design and tune but does not have the insensitivity to component variation found in the ladder approach.

Fundamental IC Noise paper (PDF)

Most people find the subject of noise mysterious, and there is, under- standably, much confusion about it. Although the fundamental physical concepts behind noise are simple. much of this simplicity is often obscured by the mathematics invoked to compute expressions for the noise.

Discrete Filter Notes (PDF 34p)

This section introduces circuits which have two zeros and two poles. The poles determine the natural frequencies of a circuit. These natural frequencies become time constants in the time-domain impulse response of circuit.

Digital Oscilloscopes (PDF 64p)

The digital oscilloscope is an indispensable tool for anyone designing, manufacturing or repairing electronic equipment. In today's fast-paced world, engineers need the best tools available to solve their measurement challenges quickly and accurately.

Power Control with Thyristors and Triacs (PDF 84p)

The term thyristor is a generic name for a semiconductor switch having four or more layers and is, in essence, a p-n-p-n sandwich.

FULLY CONTROLLED 3 PH SCR BRIDGE RECTIFIER

Notes on FULLY CONTROLLED 3 PH SCR BRIDGE RECTIFIER.

OPERATION WITH A RESISTIVE LOAD

Notes on OPERATION WITH A RESISTIVE LOAD.

OPERATION WITH AN RL LOAD AND SOURCE INDUCTANCE

Notes on the OPERATION WITH AN RL LOAD AND SOURCE INDUCTANCE.

FULLY CONTROLLED 1 PH SCR BRIDGE RECTIFIER

Notes on FULLY CONTROLLED 1 PH SCR BRIDGE RECTIFIER.

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