[sdiy] PLL module

[cheater cheater]

Are those logical value outputs (square wave)? Can you AND/XOR them
with other values? If so, it could be fun to run a simple sequencer
that turns the frequencies on and off - especially the higher
frequencies could benefit from this for 'texture'.

D.

On Wed, Apr 7, 2010 at 15:28, Scott Gravenhorst <music.maker at gte.net> wrote:
> cheater cheater <cheater00 at gmail.com> wrote:
>>so is that basically an 'octaver'? I don't know how these work - but
>>the effect should be similar, right? audio in, octaves (or in this
>>case, 'harmonics') out? Or does it output CV?
>>
>>Cheers
>>D.
>>
>>On Wed, Apr 7, 2010 at 14:40, Scott Gravenhorst <music.maker at gte.net> wrote:
>> I designed this PLL circuit for audio to track a FatMan VCO and
>>produce 1F, 1.5F, 2F, 3F, 4F, 6F and 12F outputs.  Lag time is
>>adjustable and can be made quite insignificant at the low end.
>
> It is a frequency multiplying 4046 phase locked loop circuit that receives a VCO output
> as it's input.  It synchronizes to the input and produces audio.  It is not a CV
> processor.  The audio outputs are at frequencies 1F, 1.5F, 2F, 3F, 4F, 6F and 12F given
> the VCO is at 1F.
>
> 2F and 4F are 1 and 2 octaves above the input. 1.5F, 3F, 6F and 12F are all perfect
> fifths at zero or more octaves above 1.5F (relative to the input frequency of 1F).
>
> It was the perfect fifths for which I built it, but the octaves were there by default, so
> I brought them out to the panel as outputs as well.
>
>>http://home1.gte.net/res0658s/fatman/4046pll.html
>
> It is definately a "fattener" as the OP wrote.  Playing with the lag or damping control
> is also lots of fun as at the long end, it produces a portamento effect.  At minimum
> settings, no portamento is audible.
>
>
>>Original Message ----- >>From: "Sean Ellis"
>><tensiontype at hotmail.com> >>To: "Sean Ellis"
>><tensiontype at hotmail.com>; "Julian" >><julian at port23.co.uk>;
>>"Harry Bissell" <harrybissell at wowway.com>; >>"Jason Proctor"
>><jason at redfish.net> Cc: >><synth-diy at dropmix.xs4all.nl> Sent:
>>Tuesday, April 06, 2010 11:15 >>PM Subject: Re: [sdiy] trolls and
>>unicorns >> >> >>D'oh! PLL is what I meant, it's late.... >>
>>>>----- Original Message ----- >>From: "Sean Ellis"
>><tensiontype at hotmail.com> >>To: "Julian" <julian at port23.co.uk>;
>>"Harry Bissell" >><harrybissell at wowway.com>; "Jason Proctor"
>><jason at redfish.net> >>Cc: <synth-diy at dropmix.xs4all.nl> >>Sent:
>>Tuesday, April 06, 2010 11:07 PM >>Subject: Re: [sdiy] trolls and
>>unicorns >> >>> Back to business, why are there so few PPL
>>modules out there? A long time >>> ago I made a crazy module with
>>a PPL at its heart, it was based on a >>> harmony circuit that
>>was supposed to perform a backup when a person >>> whistled a
>>tune. With some careful additions it turned into an amazing >>>
>>'fattener' module for synths, the tracking was awful and sounded
>>like your >>> drunk friend trying to see what keys you were
>>pressing....I always >>> wondered why people dont use PPLs more.
>>> > -- ScottG >
>>________________________________________________________________________
>>> -- Scott Gravenhorst > -- FPGA MIDI Synthesizer Information:
>>home1.gte.net/res0658s/FPGA_synth/ > -- FatMan:
>>home1.gte.net/res0658s/fatman/ > -- NonFatMan:
>>home1.gte.net/res0658s/electronics/ > -- When the going gets
>>tough, the tough use the command line. > >
>>_______________________________________________ > Synth-diy
>>mailing list > Synth-diy at dropmix.xs4all.nl >
>>http://dropmix.xs4all.nl/mailman/listinfo/synth-diy >
>>_______________________________________________ Synth-diy mailing
>>list Synth-diy at dropmix.xs4all.nl
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>>
>
> -- ScottG
> ________________________________________________________________________
> -- Scott Gravenhorst
> -- FPGA MIDI Synthesizer Information: home1.gte.net/res0658s/FPGA_synth/
> -- FatMan: home1.gte.net/res0658s/fatman/
> -- NonFatMan: home1.gte.net/res0658s/electronics/
> -- When the going gets tough, the tough use the command line.
>
>
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