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Ultra Random

Steady State Fate Ultra Random


Analog Comprehensive Random Source

The Ultra Random is a random voltage source with 5 unique random outputs. 2 of which are derived from independent white noise sources snagged by 2 discrete sample and hold circuits. While the S&Hs are normalled to these noise generators, any signal can be patched into them - even non random sources, if desired. The S&H inputs have level attenuators.

S&H #2 features an adjustable slew on the output.

A temperature compensated 1V/OCT tracking main clock is hardwired to S&H #1 and normaled to an external clock input jack, which is wired to S&H #2. A range button sports two modes - one goes from sub to high speed audio rate, the other goes even slower to low sub audio. 1V/OCT FM input.

The Toggle A/B output will toggle sampling the inputs of S&H 1 and 2. A very slight propagation delay in the sample pulse permits this output to take unique samples from the two noise sources. In effect this is a unique random source derived from two completely unrelated noise sources.
A jumper selects the Toggle circuit to either always use the main clock - or - to use an external clock if patched in.

Random Flux is a smooth random voltage derived from noise and jerky oscillations. Works like a 4th sample and hold with lots of slew/integration applied. The sample timing is wired to the External clk input - which is normaled to the main clock. The Flux can be influenced by positive CV - processed via an internal vactrol. The +/- probability is also voltage controllable.

the random pulse output is an additional clock and digital noise source with 7 stages/divisions. The undivided pulse is the most random and the last division is much more regular. In between is well, um - in between those two degrees of randomness.
As an audio source, more regularity exhibits more of a discernible tone embedded in the digital pitched noise.
The density/pitch of the gates/noise is adjustable and voltage controllable from sub to audio rate.

Last is an independent vactrol integrator. The integrator smooths out pulses into triangle-shaped voltages at the output. Therefore, the random pulses are normaled to the integrator input - but any signal can be patched into it for processing. This vactrol integrator is different from a normal integrator in that the output is a non-linear curve rather than a linear one. Think of loose S-curves along the expected linear output.
The integrator speed is adjustable and voltage controllable as well.

Additional features:

  • Works as a stable 1V/OCT tracking VCO
  • High clocking speeds allow the S&Hs to be used for bit crushing/decimating audio and CV signals.
  • Unique FM capabilities and signal interlacing (using toggle)
65mA +12V / 37mA -12V
33mm Depth