In this video, I discussed the basic theory behind a tracking generator and built a tracking generator for the tinySA Ultra using an external mixer. You can check out my blog post on this topic for the information presented in this video also I shared some thoughts on suitable external mixers towards the end: http://www.kerrywong.com/2023/07/08/making-a-tracking-generator-for-the-tinysa-ultra-spectrum-analyzer/
00:00 Filter measurement without a tracking generator
02:52 Principle of operations of a tracking generator
04:54 LO, IF characteristics of the tinySA
10:51 Tracking generator with external mixer, filter testing
15:50 Verification using LiteVNA, conclusions
Building A Tracking Generator for the HP 8566B: https://youtu.be/e0JF3t8BJe8
http://www.kerrywong.com/2016/01/10/building-a-tracking-generator/
tinySA Ultra Spectrum Analyzer Review/Experiments/Teardown: https://youtu.be/ypqJMcVC-z8