EDN

RF Transmitter Powered by Voice Signal

The project aims to create an interesting double-sideband (DSB) radiotelephone transmitter that is powered by the operator’s voice due to the instantaneous energy produced. The project aims to create ...
EDN

10 to 15 MHz AM Transmitter Circuit

This low-cost AM transmitter is tunable from 10 to 15 MHz with the help of ½J gang condenser VC1, which determines the carrier frequency of the amplitude modulation transmitter in conjunction with ...
Semiconductor Engineering

High-Performance Analog And RF Circuit Simulation Using The Analog FastSPICE Platform At Columbia University

The research group led by Professor Peter Kinget at the Columbia University Integrated Systems Laboratory (CISL) focuses on cutting edge analog and RF circuit design using digital nanoscale CMOS ...
VentureBeat

Powercast’s Ubiquity uses RF to charge devices wirelessly

Powercast has unveiled its Ubiquity wireless power transmitters, which use radio frequency (RF) power to charge devices over the air. The Pittsburgh, Pennsylvania-based company showed off its Ubiquity ...
AppleInsider

Energous, Dialog Semiconductor launch small RF charging circuit, possibly destined for 'iPhone 8'

Dialog Semiconductor and Energous have launched a new wireless charging component that is cheaper and takes up less space than previous iterations, a part that could help Apple incorporate ...
Electronic Design

RF Power Transmitter Ushers Over-the-Air Wireless Charging into Homes

Powercast will be at CES 2023 with its Ubiquity RF power transmitter, a device it hopes can make a pervasive presence of RF wireless power in smart homes. With this transmitter, Powercast claims to ...
Electronic Design

RF Measurement Basics for Non-RF Test Engineers

Wireless communications products that depend on RF principles are everywhere these days, and the growth rate is astonishing. From cell phones and wireless PDAs to Wi-Fi-enabled laptops, Bluetooth ...