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Delay Line Oscillator

@eekee
8 years ago
https://everycircuit.com/circuit/6641922537160704
*Very* sensitive to simulation quality! :D Self-starting oscilator with a relatively clean sine wave output. Minimum load impedance: 9kΩ Any load on the simulator makes it go funny. :( This at 333μs/s. Adjusting a sine wave source makes it temporarily lose output power! ... Whoa! It was about 180 degrees out of phase with the sine wave source, so I set the sine wave source to 180 degrees phase, and the oscillator followed it to remain about 180 degrees out of phase! :D On re-starting the simulation, it's *still* about 180 degrees out of phase! I wonder if there's a way to abuse this? :> I'm almost sure I could make it better with a disconnected AC source, (thanks jason9,) but I wanted to publish this like it is because it's so weird! I was hoping I could use this quick-to-make oscillator with AC simulation to get a harmonic distortion graph, but AC simulation doesn't work like that. I wish EC had a proper spectrum analyzer. :<
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