FiiO has launched the K15 Desktop DAC and Headphone Amplifier, offering a more affordable alternative to the higher-end K17, which is priced just shy of $1,000. The K15 retains much of what makes the ...

This paper presents a high-voltage power amplifier for driving flexible paper speaker. Simple circuit complexity and high signal quality can be achieved. The operating principles and design ...

This paper describes the design of a power supply intended for a traveling wave tube (TWT) power supply. For the faithful operation of the TWT amplifier, constant DC voltages are required for the ...

FiiO is taking the entry-level fight to WiiM’s door this week with the introduction of the K15: a desktop streaming DAC ...

MIT develops a low-power 5G receiver chip to boost battery life, reduce interference, and improve IoT and wearable device performance.

The global amplifier and comparator market reached a valuation of approximately USD 5.25 billion in 2025 and is anticipated ...

MIT scientists have built a tiny, ultra-efficient 5G receiver that can thrive in noisy wireless environments ideal for smartwatches, wearables, and sensors that need to sip power and still stay ...