Electronic Design

Zero-Cross Detectors Deliver Positive And Negative Triggering

Fig 1. This zero-crossing detector circuit generates the control pulses needed to turn on triacs that require negative pulses for switching. Fig 2. Designers can use ...
Electronics Weekly

More on: Rohm’s interesting zero-crossing detector

Rohm recently introduced a low-power 600V-tolerant zero-crossing detection chip, intended to cut energy wastage in home appliances by reducing sense current through the high voltage monitoring ...
EDN

Mains-driven zero-crossing detector uses only a few high-voltage parts

The circuit in this Design Ideagenerates a zero-crossing pulseoff the ac mains and provides galvanicisolation. The falling edge of the outputpulse happens at approximately 200μsec before the zero ...
Electronic Design

Zero-Crossing Circuit Avoids AC Noise

Explanation of how a diode divider can tame powerline noise on a zero-crossing detector's input circuit, improving ZCD sensitivity. To properly control ac sources using solid-state devices, you need a ...
Semiconductor Engineering

Zero-Bias Power-Detector Circuits based on MoS

Scientists from RWTH Aachen University, AMO GmbH, AIXTRON SE, and EPFL have demonstrated power detectors based on Molybdenum disulphide (MoS 2) that operate at zero bias.
PR Newswire

Seiko Instruments Launches World's First Zero-power Photo Detect IC

- Innovative S-5470 Series ICs Combined with Photovoltaic Device Achieve World's First Zero-power Consumption Light/Dark Detection Switch - Due to the photo voltaic effect, photodiodes and LEDs ...