A 40-dB dynamic-range variable-gain amplifier (VGA) designed for the code division multiple access (CDMA) cellular phone has been developed. A wide-dynamic-range VGA under a low control voltage of 2.0 ...

This paper presents an energy-efficient low-noise dynamic comparator with a passive charge-pump pre-amplifier (CPP). We demonstrate the effectiveness of a passive pre-amplifier, cascaded to a dynamic ...

The best tech products announced this week include Orange Amps' first-ever turntable and Nothing's striking noise-canceling ...

Features By Duncan Robertson Contributions from Fraser Porter, Alex Berry last updated 27 June 2025 Good sound quality is a must-have in content creation - here are the best microphones for streaming ...