[sdiy] Q: oscillator bank

[Scott Gravenhorst]

Mike Hall <m3ha11 at rcn.com> wrote:
>Just a general question about making an oscillator bank and
>using only one exponential converter to drive the oscillators:
>Is it possible?
>My thoughts on this:
>- sum the various control voltages: keyboard key, plus modulation, plus 
>pitch-bend
>- apply to the exponential converter
>- use the converted Hz/V value to drive several oscillators
>- each oscillator has octave switching via a resistive divider
>- each oscillator (but one) has scaling to allow relative tuning +/- 
>some interval
>
>How am I fooling myself that this could work?

Yes, that can work.  Your scaling pots should be as a series resistance
that feeds the summing not of the VI converter.

>Any tips, suggestions, points to the obvious will be appreciated!
>Thanks!
>-- 
>Mike Hall
>users.rcn.com/m3ha11
>

---------------------------------------------------------
- Where merit is not rewarded, excellence fades.
- Hydrogen is pointless without solar.
- What good are laws that only lawyers understand?
- The media's credibility should always be questioned.
- The only good terrorist is a dead terrorist.
- Governments do nothing well, save collect taxes.

-- Scott Gravenhorst | LegoManiac / Lego Trains / RIS 1.5
-- Linux Rex         | RedWebMail by RedStarWare
-- FatMan: home1.gte.net/res0658s/fatman/
-- NonFatMan: home1.gte.net/res0658s/electronics/
-- Autodidactic Master of Arcane and Hidden Knowledge.