New device's radio waves reveal lead contamination in soil
Radio frequency (RF) signals are a cornerstone of modern technology, enabling wireless communication, data transfer and ...
Hackaday6 年
Fail Of The Week: How Not To Design An RF Signal Generator
We generally don’t highlight commercial products in FotW, but in the case of this substandard RF signal generator, we’ll make an exception. We suppose the fail-badge could be pinned on ...
Engineering360 News6 年
Chapter 7: RF (Large Signal) Power Amplifiers
Pertinent design information for RF power transistors is usually presented in the form of large-signal input and output impedances, as shown in Fig. 7-1. Fig. 7-1 is a data sheet for the Freescale ...
Monitoring long-term cardiac activity with contactless radio frequency signals
A research team led by Prof. Chen Yan at the University of Science and Technology of China (USTC) has taken a leap forward in ...
Engineering360 News6 年
RF Receivers Information
RF receivers are electronic devices that separate radio signals from one another and convert specific signals into audio, video, or data formats. RF receivers use an antenna to receive transmitted ...