Digital signal processors (DSPs) continue to receive a great deal of attention in new product design. For example, digital filter design reflects the importance of understanding and using this ...

Clear filters are a valuable tool for photographers working in harsh environments and are a wise addition to any photographer's kit. Positioned in front of the lens, they provide an extra layer of ...

Ice HB760 infrared filters give contrast-rich B&W shots on a super-tight budget, and offers a low-cost, risk-free way to try ...

Editor’s note: In this Design Idea (DI), contributor Bonicatto designs a digital filter system (DFS). This is a benchtop filtering system that can apply various filter types to an incoming signal. The ...

State-space digital filters constitute a versatile class of algorithms used to process signals by modelling dynamic systems through state variables. Their representation encompasses both the system’s ...

In part 1 of this pair of articles, we ran SPICE noise simulations on a simple second order lowpass filter. We saw that there is something fundamental about the ‘hold’ that the filter’s capacitor ...