The circuit was constructed using a few components that is powered by a 9 V battery for sensing the presence of bugs transmitting within the frequency modulation range. Frequency Modulation (FM) – ...

Ceramic resonators offer an attractive alternative to quartz crystals for stabilizing oscillation frequencies in many ...

At the time of original publication, the author was senior scientist at Continental Electronics. He retired in 2017. The text below is as originally published in 2010 and is provided here as an ...