how to make an endless note like this

[diaryofanobody]

im on a house tip the last few days
but i cant stand i cant make a endless note like this example

endless note.mp3

it sounds so simple but everything i tried dont sound right
i got one chord for 32 bars with and without reverb on it
one single note for 32 bards with and without reverb on it
i got triangle triangle combination pwm/ square etc etc
can somebody help me with this

[Echoi]

i made something very similar the other day using thor synth in reason

3 analog oscillators, 2 were saws, one was square, routed to a low pass ladder filter, 213hz, little bit of reso, little bit of chorus.

for long notes, go to amp envelope and put decay and sustain up full

[diaryofanobody]

Thanks for the fast replay will try it out
btw my main synths r operator n massive

[Echoi]

Thanks for the fast replay will try it out
btw my main synths r operator n massive

no worries mate. i dont know anything about those synths though