The best tech products announced this week include JBL's audiophile-grade loudspeakers and Marshall's first-ever Dolby Atmos ...

Here’s how it works. If you want a hi-fi system but are daunted by the prospect of multiple speaker and amplifier boxes, you may want to consider active speakers – i.e. speakers with amplification ...

In this work, a 220-GHz SIS mixer has been integrated with a high-gain broad-band low-power IF amplifier into a compact receiver module. The low noise amplifier ... The LNA power dissipation was only ...