Figure 1. Schematic of a Doherty PA Techniques such as Doherty amplifier structures extend high-efficiency device operation to lower power levels, allowing for significantly improved average PA ...

Please consider a transformer driven load resistance in the following configuration, where “1T” and “2T” denote turns ratio, and the impedance presented to current source I1 is the 50 Ω of the load ...

The Anthem STR preamp and power amplifier emphasize fidelity first armed with the latest in 32 bit DSP, ARC room correction, and oodles of power reserves on tap. More details in our review so read on.

The simple circuit was built to create a power amplifier that would produce 60W under 8 ohms or 80W under 4 ohms load. Power Amplifier – a type of amplifier built and designed for the purpose of ...

The power transistor must be chosen to provide fast response while also withstanding high power dissipation. Several electrical and thermal characteristics must be considered: 1. An array of N current ...

In keeping with Marantz’s current design language, the AV 30 features an updated porthole display and a fold-down front panel ...

Learn how power amplifiers work, the common types, and what to lookout for when shopping for amps. You have to find out if the amplifier is a Class A/B analog amp or a Class D digital amplifier before ...