This is how the old good Tektronix TDS380 acquires a 500MHz signal from Marconi Instruments 2031 signal generator. Very stable, calm trigger and display. No jumping around, albeit using 16x averaging.
![](/wp-content/uploads/2022/11/wp-1667442136357-1024x473.jpg)
And this is a picture of how 800MHz signal looks on the same scope.
![](/wp-content/uploads/2022/12/wp-1670189456829-1024x765.jpg)
And, last image is, the same setup, but a 1GHz signal, same scope.
![](/wp-content/uploads/2022/12/wp-1670189110613-1024x766.jpg)
Last updated on 2022:12:20 at 01:26 UTC