With so much attention on IBOC, it is appropriate to step back and review the basic principles of RF amplifiers. The radio transmitter is a collection of stages. Each stage modifies the signal in some ...

In today’s world, power amplifiers are used in many devices for a wide variety of applications. In general, an amplifier takes a low power input and regenerates the signal at several watts higher.

Within Chapter 1, discussions are focused on the basic aspects of op amps. After a brief introductory section, this begins with the fundamental topology differences between the two broadest classes of ...

A Class D audio amplifier is basically a switching amplifier or PWM amplifier. There are a number of different classes of amplifiers. We will take a look at the definitions for the main ...

Zero input current. The input current to both inputs is zero. Zero output impedance. The output impedance is zero. Zero power dissipation. The ideal op-amp doesn t draw or dissipate any power.

During nearly three decades in the music business, Tim Schroeder has worked as a noted master builder of fine archtops, though for the last 15 years he has focused on being president, primary designer ...

How a paper substrate and biodegradable circuitry can be used for basic circuits. How the researchers fabricated and connected active and passive devices literally “on paper.” Details of their first, ...

Nathan Rizzuti, dedicated to Gadget Review for over 4 years, specializes in home entertainment technology and purchasing decisions. Outside of work, Nathan finds solace in playing bluegrass. With 50 ...