The Rigol DS1054Zed is the oscilloscope you want ... that’s why there were weird Polaroid adapters for HP scopes in the day. Yes, it’s a simple tool that does one job, but if you need that ...

You can’t visualize what’s happening in a circuit any better than using an oscilloscope. Historically, the devices were expensive and bulky. I’ve had many Tektronix and HP scopes that stayed ...