![]() The pattern of the distorted reading phase angle determines the DCO, while the amount of distortion of the reading phase angle (the depth) is determined by a dedicated EG DCW (Digitally Controlled Wave) which transforms the harmonics from pure sine to full distorted wave (99 stepped values). PD - PHASE DISTORTION process periodically distorts the phase angle of the oscillator altering the harmonic content, consequently creating new rich waveforms (8 to be precise). Mixed with noise (no gain) or ring-modulated together with a fixed depth. A basic patch is composed by 1 or 2 DCO (or LINES) which are detunable digital sinewave-cosine oscillators (digital waveform stored in ROM probably IC MB83256pn26) processed by logic mathematical operations. VOICE system and 8 bits CPU UPD-7811G-120 manages up to 8 voices polyphony based on PD synthesis. ![]() ![]() Power supply 6 X 1.5 V batteries or an external power supply type DC 9V negative center polarity. On the left side there is a single pitch wheel. The main panel features a LCD 16 x 2 lines display (no backlight) and 52 push buttons. The CZ-101 is the portable version of the series with minikeys. Part of the CZ synthesizers series based on digital synthesis PD-Phase Distortion - inspired by Yamaha FM technology Yamaha DX7.
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