Pixie Attache is a revisit of the WASP that keeps the salient features
of the WASP but replaces the keyboard circuitry
with a MIDI interface to provide a more flexible product, giving the user access to a wide
MIDI controllers including
keyboards, laptop/PCs and iPad's.
To help improve the stability of the design,
the two 555-based VCOs and associated decoding ciruitry
a dual-digital oscillator built on the Mitsubishi M16C.
The Pixie expands the original WASP by adding the following extra functions:-
- Additional waveshapes on both DCO's (Triangle, Sine and Modulated Square)
- 2nd WASP Filter
- Low-Pass Filter
- Ring Modulator
- 4-channel pre-FilterMixer
- 4-channel pre-Output Mixer