放大器可以被看作是一个简单的方框或方块,包含放大设备,例如双极晶体管、场效应晶体管或运算放大器,它有两个输入端子和两个输出端子(地线是共有的),并且输出信号比输入信号大得多,因为它已被“放大” 。一个理想的信号放大器将具有三个主要 ...
Class B amplifiers are prone to crossover distortion, which occurs in the output stage in which conduction transfers from one transistor to the other. To prevent crossover distortion, a bias current ...
A generic circuit diagram of a Class B amplifier using FET control devices is shown in Figure 1. Figure 1 AClass B amplifier using FET control devices Many years ago in engineering school, we learned ...
Different classes of amplifiers. What are the benefits of class AB amplifiers? Patents that address the quiescent current of class AB amps. Amplifiers have many ...
If you know anything about a transistor, it’s probably that it’s a three terminal device whose output pin forms part of a potential divider whose state is dependent on what is presented to its input ...
We often take wireless communications for granted, without considering the underlying complexity and technological barriers. It's worth taking a closer look at those aspects. Pulse width modulation ...
CES Innovations Awards Honoree – Azur 840W Class XD power amplifier — Suggested retail price – $1900 ex sales tax; £1000/€1900 inc VAT — Available Spring 2008 Cambridge Audio has taken the Azur 840 ...
Makers of portable electronic devices are in a continuous struggle to add innovative features while getting a long operating life from an internal power source. Nowhere is this demonstrated more ...