Death 555

What's the point?

That funny waveform is a fluke of the simulator. It crops up from time to time. Especially when signal levels are very low.

it's a programed "phone shaking" to make things unlock if for some time very low ammounts of things will happen in your circ imo. sad things that will be cool if this thing have switch on/off option together with operating point calculus. it also should have on off option cuz it;s well known that circuits like oscillators that do not have stable point will must to fail when are aim of stable DC operating point analysis typically performed once at beginning of simulation to obtain values of all nodes from whose simulation will start transient analysis. most programs have options to start simulation with all or with selected only nodes and device parameters set to zero or beign randomized within some limits to avoid such "cannot find solution" at start. EC can even made it in automative mode imo. after DC point analysis error try to start with zero param and make other similar tries and only after them all fail an error should be displayed. whatya think bout this?