1
vote
3answers
781 views

How to implement and tune a LC band-stop filter?

I have designed a simple LC band stop filter with a center frequency of 433MHz. The schematic looks like: The caps are NP0 0603 and the inductors are from the Coilcraft 0603HP series. The values ...
5
votes
2answers
79 views

Infrared Filtering from Laser Modules and Wattage Considerations

I have come across a project which used this Chinese laser module. Apparently from someone who worked with the mentioned laser, it emits IR light (noise) even though it's a green laser. While I was ...