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To check, remove the power from the amplifier and see whether the problem goes away. There are three types of amplifier – masthead, set-back and distribution. All these need a power supply to work.

As a general rule of thumb: if the amp is below £500 / $500 / AU$900, you’ll get basic 5.1, a handful of HDMI inputs, and probably no internet. Move up to the sweet spot of around £700 / $700 / ...

Weaponized incompetence, also called strategic incompetence, is when someone knowingly or unknowingly demonstrates an inability to perform or master certain tasks, thereby leading others to take ...

This letter presents a dual-band complementary metal–oxide–semiconductor (CMOS) low-noise amplifier (LNA) for fifth-generation (5G) new radio (NR) frequency range 2 (FR2) applications. The proposed ...

This article presents a wideband series-Doherty power amplifier (SDPA) for millimeter-wave (mm-wave) fifth-generation (5G) applications. It features a compact two-step impedance inverting-based series ...

In the Darlington configuration, the base current for the 2N3055 is delivered by the BD115, and it flows through the main collector load. Hence, the audio source needs to deliver 70 times less current ...