Author Topic: How to Find the Noise Floor with a Spectrum Analyzer (Read 15158 times)

uncle_bob · « **Reply #25 on:** March 15, 2016, 09:43:13 pm »

This example uses a transistor i do have:
http://ham-radio.com/k6sti/nsrc.htm

Hi

I suspect it will work quite well into the ~100MHz region mentioned on the linked page. For microwave use ... probably not so much.

Bob

TSL · « **Reply #26 on:** March 16, 2016, 01:52:31 am »

Or you can go here for some cheap pre-built noise sources...

http://www.g8fek.com/

No relation other than happy customer.

EEVblog Electronics Community Forum