EDN

Design an all-digital modulator with an RF output

A software-defined radio (SDR) terminal promotes programmable realizations of the physical layer functionalities. A lot of research work has been done in applying DSPs and FPGAs to implement the ...
EDN

Audio modulator design cuts size, cost of pro speakers

A sound amplification technique from SLS Loudspeakers (Springfield, MO) promises to reduce the size and cost of high-power, professional quality speakers. The approach, dubbed Evenstar, uses a pair of ...
Electronic Design

Standard CMOS Yields Integrated Photonic 100-Gb/s Optical Modulator

Due to materials realities and device physics, it’s challenging to develop high-performance optical transceiver functions on standard CMOS processes, but the potential benefits of such photonic ...
Nasdaq

OpenLight and Tower Semiconductor Achieve Breakthrough in 400G/Lane Silicon Photonics Platform for Next-Generation Optical Communications

OpenLight and Tower Semiconductor have announced a successful demonstration of a 400G/lane modulator on Tower's silicon photonics platform, PH18DA, which achieves over a 3.5dB extinction ratio using ...
Electronic Design

QPSK Demodulator Is A Good Match For Low-Cost Modulator

This demodulator is suitable for the quadrature phase-shift keying (QPSK) modulator previously published by the same author, "Novel Low-Cost QPSK Modulator Needs No Adjustments" (electronic design, ...