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 ...

Fig. 1: A simplified linear detector circuit of the Bose FM multiplex detector from the patent documents. Fig. 2: John Bose enjoys a hearty meal in the Alpine FM transmitter building in July, 1939.

COMPASS is recipe driven and features a touchscreen interface that mimics smartphone app navigation. Operators can learn to ...

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 ...

VALENCIA, Calif.--(BUSINESS WIRE)--H2scan, a world leader in providing hydrogen sensors for electric utilities and industrial markets, is the first and only company to receive FM Approval for a ...