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Noise Engineering
Sinc Iter
Twenty-Three Octave multi-mode voltage-controlled oscillator
Overview
Type VCO
Size 4 HP Eurorack
Depth 1.5 Inches
Power 2x8 Eurorack
+12 mA 150 / 80 mA
-12 mA 10 mA
+5 mA 0 / 90 mA (optional)
Sinc Iter is a four-HP voltage-controlled oscillator with a 23-octave range. It has
three waveform modes: noise, plain, and super, each of which allow continual
morphing between waveforms. Front-panel unipolar and bipolar outputs allow for
easy use as a control source. Phase modulation and Sync modulation are both
supported to provide maximal tonal variety. e Sinc Iter also has a built-in
quantizer.
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Summary of Contents for Noise Engineering Sinc Iter
- Page 1 -12 mA 10 mA +5 mA 0 / 90 mA (optional) Sinc Iter is a four-HP voltage-controlled oscillator with a 23-octave range. It has three waveform modes: noise, plain, and super, each of which allow continual morphing between waveforms. Front-panel unipolar and bipolar outputs allow for easy use as a control source.
- Page 2 Twenty-Three Octave multi-mode voltage-controlled oscillator Patch Tutorial Sinc Iter is an oscillator. e easiest place to start is listening to the output directly. Connect the BI jack to your monitoring system. Turn the pitch knob to adjust the pitch. Tap the pitch knob to change between coarse and ne adjustment. Select between the three modes with the Noise/Plain/Super switch.
- Page 3 Noise Engineering Sinc Iter Twenty-Three Octave multi-mode voltage-controlled oscillator Interface PITCH is an encoder used to select the base pitch of the oscillator. Tapping the pitch knob toggles between coarse (red LED) and fine (green LED) mode. Pressing and holding PITCH for two seconds will toggle the pitch-based amplitude compensation.
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Page 4: Voltage Select
4 volts then adjust the tuning trim until the test points read 1.2500V. Sinc Iter can also be tuned using a reference supply capable of generating a 1 volt difference and using a stroboscope such as the Peterson 490 to tune to an octave... -
Page 5: Design Notes
Sinc Iter Twenty-Three Octave multi-mode voltage-controlled oscillator Design Notes Sinc Iter came from a simple desire to have a stable wide-range oscillator in 4HP. As many features as possible were crammed into the space to try to maximize utility. Special Thanks...