Accurately measuring the amplitude of a sinusoidal signal is a design challenge that is common to many data acquisition designs. The most famous and ubiquitous solution to this problem is synchronous ...

Prepped for synchronous laser-beam detection applications such as print-start timers, the S9684 and S9684-01 photo ICs report highly stable digital outputs even when laser power or ambient temperature ...

The dual approach of digital and analog lock-in amplifier technologies has continued to advance the precise extraction of weak signals from noise-laden environments. These devices are indispensable in ...

Breast cancer characteristics in yielders and nonyielders of nipple aspiration fluid. Use of patient navigation to improve diagnostic and treatment delays among patients with abnormal mammography ...