共射极放大器（Common Emitter Amplifier）是最常用的放大器类型之一，因为它能提供极高的电压增益。甲类共射极放大器的设计目标，是从仅有几毫伏的输入信号中产生较大的输出电压摆幅，因此这种电路主要被用作“小信号放大器（Small Signal Amplifier）”。 然而 ...

Power amplifiers (PAs) are pivotal elements in modern wireless communication and radar systems, where enhancing output power and efficiency remains a critical challenge. Recent advances in PA design ...

The Class D amplifier topology theoretically offers ideal characteristics for audio: 100% efficiency, 0% THD, and no audible noise. While practical Class D implementations can come attractively close ...

Quad Platina Integrated Amplifier debuts at $5,495, offering Class A/B power, modern DAC, and full connectivity for audiophile systems. Quad is back in the spotlight and not because someone found ...

The switching amplifier, or class D amplifier, has risen quickly to prominence in consumer audio applications, from MP3 devices including mobile phone handsets to games consoles, LCD-TVs, and home ...

Class AB amplifiers have been around for a long time, and even with Class D designs becoming more common, there’s stil ...

A unique design flexibility that can either extend the maximum operating frequency of a power amplifier or allow the use of larger active devices with higher power handling capability. This paper ...