The original application for the circuit in Figure 1 was to check the number of revolutions of an engine with only one LED as an indicator. The measurement of the number of revolutions usually ...

Whenever I find myself harboring a constantly nagging thought, I know I will eventually have to get busy and find a way to put it to rest. When I read EDN’s Design Ideas, I look for the range of ...

The audio jacks on myriad A/V equipment that send analog signals to amplifiers and other devices. Audio frequency outputs are typically the two RCA sockets used for left and right stereo. The common ...

Perceptia Devices is an IP and design services provider, based in Sydney, Australia and Silicon Valley. It is focused on PLLs for RF systems and demanding clocking applications. Perceptia offers a ...

A signal generator, a general-purpose piece of test equipment, performs numerous measurements for a variety of applications requiring electromagnetic wave signals as stimuli. Its roots trace back to ...

Article 58.3. Methods for measuring and computing high-frequency output generated from high frequency-based equipment shall be announced (*). Article 58.4. The provisions in this Section shall apply ...

Motors account for at least half of the energy consumed in the U.S. Selecting the right control method for an application lets the motor run most efficiently while maximizing torque and overall ...