The rectifier section from the VCM implements non-linear wavehaping known as full-wave rectification, but with complex level-compensating conditioning as well. The circuit actually uses three full-wave rectifier sections connected in a very refined controllable format.
Each section is capable of doubling the frequency of a sine or triangle wave applied to its input. Thus sweeping the voltage controlled input over its range will generate a smooth timbrel transition with the even harmonics (second, fourth, and eighth). Various other partials are present in this basic sound, however, and the results are very rich and varied.
A noteworthy feature of this multiplier is that the full-wave rectification is not followed by a reduction in the output amplitude. There is no change in the essential level of the sound.
There are two inputs for mixing before processing, and two outputs. One output is a "squared up" version of the other. This output is similar to voltage controlled pulse width modulation (only much more interesting).
- Uses full wave rectification
- Complex level compensating conditioning for no loss in output
- Two inputs for mixing prior to processing
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- Module Width: 7HP
- Power +12V: 20mA
- Power -12V: 0mA