DJ0WH: RF Filtering

Showing posts with label RF Filtering. Show all posts

Two repeaters at a site

Q. I read your article https://cwh050.blogspot.com/2019/07/why-and-when-duplexer-wont-be-sufficient.html and had a question. I'm about ...

Although the below tips refer to Multisite Capacity Plus, many of them could apply to IP Site Connect too. At work, I'm not involved tha...

Image: Marco Verch CC BY 2.0 I got asked this question on Facebook the other day and the answer was too long to type in the comments. ...

The purpose of a regular (notch) compact duplexer, is to prevent the transmitted signal (RF energy) from entering the receiver and any re...

I recently had this question at work. The customer wanted to know what the rules are for selecting frequencies - in this case, on a Capac...

I do not know the licensing process in all countries of the world but I got asked this question the other day and have put together some p...

Here's a short quiz (10 questions) about a few obvious things we tend to forget about. Take the quiz by clicking here .

Which is better, a Hybrid Combiner or Cavity Combiner? Why would a high gain antenna be a bad choice? Why is there interference on my r...