Like the 33, the new 303 stereo power amplifier is instantly recognisable yet smartly updated ... topped off with QUAD’s musical note symbol – etched into the top surface – another classy touch. The ...

Among them, there’s a semiconductor chip called the power amplifier that is responsible for conditioning and amplifying the signal through the antenna. Energy efficiency in power amplifiers is a ...

Radio frequency (RF) power amplifiers are all over the place. Some of them can deliver enough RF output power to do biological harm to somebody. Many such amplifiers are solid state, but many others ...