[sdiy] simple vcf
Ken Stone
sasami at hotkey.net.au
Sun Oct 20 10:09:04 CEST 2002
Simply a ferite bead on a piece of wire - to filter out "spikes". Use a
piece of wire if you can't be bothered with them.
Ken
>This looks ideal! One question, what does "bead" at the V+ and V- inputs
>mean, and how does it function? Thanks for all the suggestions, great as
>always!
>Gavin
>----------
>>
>>http://www.cgs.synth.net/modules/cgs35_syntha_vcf.html
>>
>>It's a 4 transistor VCF - no OTAs. Just one op amp running as a buffer.
>>
>>Ken
>>
>>>Hey all,
>>>I'd like to build a real simple VCF, it doesn't need to track a VCO, just do
>>>sweeps based on an input control envelope. I'd like to develop a design
>>>that doesn't use OTA's. Has anybody seen or worked on anything like this?
>>>
>>_______________________________________________________________________
>>Ken Stone sasami at hotkey.net.au
>>Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
>>Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
>>
>>
>>
>
_______________________________________________________________________
Ken Stone sasami at hotkey.net.au
Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>
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