MOTM

At 1:25 PM -0500 12/05/01, George Kisslak wrote:
>
>I like Ken's idea for a multi-phased LFO.  So I've added a bit to it.  Ok,
>here's my humble attempt...
>
>c) 3 pots, 1 switch, 1 LED, 4 jacks:
>
>       RATE
>        (O)
>        FM
>        (O)
>       SHAPE
>        (O)
>
>    SIN     led
>     + SAW  (*)
>   PULSE
>
>  (FM IN)   (0 OUT)
>  (120 OUT) (240 OUT)
>
>RATE, FM and SHAPE pots, and FM IN jack operate like the 320.  SAW, SIN or
>PULSE wave output is selected by 3-position switch.  TRI is attained by
>setting switch to SAW and SHAPE is mid-setting (just like the 320).  The
>>led is bi-color and works like the 320.

Wouldn't that need a larger PCB than the MOTM-320??

>Advantages:
>1) quadrature LFO!

Quadrature is 90 degrees out of phase.

>Disadvantages:
>1) no SYNC
>2) no 1V/OCT IN
>3) no SHAPE IN
>4) only one waveform available at a time
>5) blinky LED!

So you might as well just get a 320 and regain all of those features,
including its impressive stability.

>I for one think a sine output is very important for proper sounding vibrato
>& tremolo, so it's included even though I'm sure it involves additional
>circuitry.  I realize that this design may actually involve more circuitry
>than the 320 (due to the phase shifted outputs) but Paul has always said
>that circuit parts are much less in cost compared to front panel parts.

That is true.  Front panel parts do cost more.