[sdiy] Nice Noise Source

[Fernando de Izuzquiza]

This is called synchronicity!


El 01/04/2007, a las 20:02, Mike Beauchamp escribió:

> Hey Charles, it looks like Moog beat you to it (at least for today):
>
> http://www.moogmusic.com/detail.php?main_product_id=21066
>
> MF-FM: NEW MOOGERFOOGER EFFECT USES BROADCAST RADIO SIGNALS
>
> The MF/FM has an on-board analog radio tuner, capable of locking into
> frequencies across the FM radio band. Mix any instrument with live
> radio signals, and tweak the voltage controlled oscillator for
> modulated madness and creativity
>
> Its available April First.. nice :)
>
> Mike
>
>
>
> On 2/24/07, Charles Bisaillon <sdiy at oveloe.com> wrote:
>>
>> >>
>> >> Can you build it with a CV input for the tuning frequency?
>> >>
>> >> Then you'd be able to sweep through the stations under CV  
>> control. Or
>> >> set your sequencer up to play Stockhausen, I suppose...
>>
>> > Don Buchla demonstrated a CV control FM radio to David Tudor and  
>> John
>> > Cage in the early 60's:
>> >
>> > "Cage and Tudor visited me at my studio in Berkeley. ...My  
>> studio at
>> > that time was ten feet wide and I worked out on the sidewalk.   
>> It was so
>> > crowded in there we hauled the workbench out on the sidewalk on  
>> good
>> > days and set up my oscilloscope and worked out there.  Cage came  
>> by and
>> > for voltage control I had hooked up my keyboard to an FM module  
>> that I'd
>> > built, a little module that was an FM receiver and I could play  
>> stations
>> > on it because I had one of the first varactor tuned FMs.  Cage,  
>> as you
>> > can imagine was, just enormously interested in the fact that I  
>> could
>> > tune each key to a station and then proceeded to play the radio."
>> >
>> > This is from the Vasulka Archive.
>> >
>> > -Dave
>> >
>>
>>
>> All of your ideas are great! I finally got the radio to work  
>> yesterday by
>> rolling up a piece of wire on a pen. It really is amazing how this  
>> stuff
>> works, I can change stations by turning the knob or by playing  
>> with my coil.
>> The piece of rolled up wire is so sensitive to capacitance to  
>> other circuit
>> elements that I can sweep through a dozen stations just by moving  
>> the coil
>> slightly. It seems like the more turns the coil have, the wider  
>> the FM band
>> I can receive. From what I've heard with the last coil I've used,  
>> I assume I
>> can go from 90Mhz up to 130Mhz or something similar. To describe  
>> it in 1
>> words: AMAZING.
>>
>> CV input is going to be a joke, I don't even think I'll need an op  
>> amp. The
>> radio tuning is already voltage controlled with a 10V - 0V range.  
>> I just add
>> another in parallel. I really like the idea of having a different  
>> station
>> for every key!
>>
>> I'll post the schematic very soon.
>>
>> Cheers
>>
>> Charles
>>
>>
>
>
> -- 
> Mike Beauchamp
> Cross Canada Project: http://mikebeauchamp.com/crosscanada
> Personal: http://mikebeauchamp.com
> Business: http://therevox.com
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