MOTM

> Maybe a case for a quadrature oscillator / LFO...?

>> You can also use a "multi-phase" clock (ie clocks are delayed by 90
>> degrees).

No. What you need are short triggers that follow each other as fast as
possible, in order to clock the whole chain at high speed. Can't see
the reason for 90 degree shift. Better do it all within 1 degree or less,
to have all outputs "at once".

JH.