The Class B and C RF power amplifiers are studied. The amplifier circuits, biasing, current and voltage waveforms, current and voltage device stresses, power losses, and efficiency are given. The ...

The outcome of this hobby project was a hybrid amplifier, with pre-amp stage made with dual-triode vacuum tube and power stage made by MOSFET. It can be powered with a relatively low voltage, ...

This is called the Class of operation. Class A, B, or AB are commonly used and referred to in specifications ... An amplification device such as LDMOS, MOSFETs, GaN, or GaAs are the heart of the ...

Here comes a new compact power amplifier that isn’t made in China: Pro-Ject Audio Systems’ Amp Box RS2 is made in Europe; it ...

It’s a conventional tube amplifier circuit in which the triode is a preamplifier for the pentode power output stage. The pentode is running in class A mode, and the high impedance of its output ...

In this report I describe the design, simulation and characterisation of a novel, high performance, medium power (≈ 50 W) class-B audio amplifier. Following a general discussion of amplifier ...

The first group consists of the high-fidelity Class-A and AB operating modes, the class-B and the reduced conduction-angle Class-C amplifier. The switchers include Class-D, E, F and inverse F. Class A ...

When an amplifier delivers DC to a speaker ... Actually, to the best of my knowledge, there are no true class B amps made anywhere in the world today for audio, they all work in class AB or class A.