Quadrature Sine (2020)

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BugBrand
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Quadrature Sine (2020)

Post by BugBrand » Wed Feb 26, 2020 9:32 am

Just about to be released (price likely similar to CVCO - EDIT - £180).
Similar to the old SYN2B but with Tune/Fine instead of the 10-turn dial.

Only two outputs Sin (0deg) and Cosine (90deg) as most CV inputs can easily invert for the 180/270 phases.

FM is either Linear (AC coupled) or Expontential (which has +ve or -ve polarity switching)

Yes, Freq-Shift is slightly in mind, though no renewed investigations as yet - there is a header on the back which should link to a future expander for this.

Waiting to calibrate the first batch..
QSine.jpg
QSine.jpg (107.3 KiB) Viewed 1476 times
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Kafgee
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Re: Quadrature Sine (2020)

Post by Kafgee » Wed Feb 26, 2020 9:59 am

:doh:
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chrisdermo
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Re: Quadrature Sine (2020)

Post by chrisdermo » Wed Feb 26, 2020 10:17 am

BugBrand wrote: ↑
Wed Feb 26, 2020 9:32 am
 Just about to be released (price likely similar to CVCO).
Similar to the old SYN2B but with Tune/Fine instead of the 10-turn dial.

Only two outputs Sin (0deg) and Cosine (90deg) as most CV inputs can easily invert for the 180/270 phases.

FM is either Linear (AC coupled) or Expontential (which has +ve or -ve polarity switching)

Yes, Freq-Shift is slightly in mind, though no renewed investigations as yet - there is a header on the back which should link to a future expander for this.

Waiting to calibrate the first batch..

QSine.jpg
Hot stuff.
When you switch to sub does it take a while to get going like the old SYN2B?
WTB / WTTF: Bugbrand PRC2B, DD3, PRC4, ENV1

Current Bugs frame:
https://www.modulargrid.net/f/racks/view/580413
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lud
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Re: Quadrature Sine (2020)

Post by lud » Wed Feb 26, 2020 11:09 am

:love:

definitely want one or two of these in my life! Nice array of switch options
Great start to the year for BB blues, been rearranging my modular set up quite a lot to make room and money for new offerings - continue bringing more joy to the world Tom! :hail:
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lud
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Re: Quadrature Sine (2020)

Post by lud » Wed Feb 26, 2020 11:10 am

+ 1000000 for the freq shift expander! :goo:
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T. Jervell
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Re: Quadrature Sine (2020)

Post by T. Jervell » Wed Feb 26, 2020 11:34 am

Beautiful :loves:
I guess I’m gonna need one of those :hihi:
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Re: Quadrature Sine (2020)

Post by deltaphoenix » Wed Feb 26, 2020 12:12 pm

So many awesome modules coming. So excited Tom!
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Re: Quadrature Sine (2020)

Post by gnome666 » Wed Feb 26, 2020 2:11 pm

when can we start peppering you with purchase requests? :slapfight:
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BugBrand
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Re: Quadrature Sine (2020)

Post by BugBrand » Wed Feb 26, 2020 2:47 pm

chrisdermo wrote: ↑
Wed Feb 26, 2020 10:17 am
When you switch to sub does it take a while to get going like the old SYN2B?
Yes, that's standard - oscillations build up quickly at the top of the LFO range, so best to give a quick push (eg. with +10V to V/Oct input) when first powered on. Once oscillating normally, you can switch between ranges no problem.
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Re: Quadrature Sine (2020)

Post by Kafgee » Wed Feb 26, 2020 4:07 pm

:yay:
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Re: Quadrature Sine (2020)

Post by Delepathy » Wed Feb 26, 2020 5:15 pm

YES!
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mIgmOd
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Re: Quadrature Sine (2020)

Post by mIgmOd » Sun Mar 01, 2020 1:06 am

Hi all. I can appreciate, conceptually, why it would be good to have sine waves 90° out of phase from each other, but I'm not sure I understand how to best use them in a patch. Could anyone give some basic examples? Or perhaps I'm overthinking this and it's just always good to have sine waves available. Thanks!
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bitSmasher
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Re: Quadrature Sine (2020)

Post by bitSmasher » Sun Mar 01, 2020 1:16 am

So you can draw circles on an oscilloscope 8-)
That's my appeal, anyway...
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Re: Quadrature Sine (2020)

Post by mIgmOd » Sun Mar 01, 2020 1:25 am

Ah, of course! I knew I was overthinking it. :tu:
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BananaPlug
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Re: Quadrature Sine (2020)

Post by BananaPlug » Sun Mar 01, 2020 10:21 am

The 90 degree thing is nice for LFOs. One output is just starting to reverse direction (up/down) when the other is more rapidly crossing zero. So imagine one is panning your signal and the other is working a filter or wavefolder for that signal. The coordination of those effects makes them seem less like arbitrary decorations.
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BugBrand
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Re: Quadrature Sine (2020)

Post by BugBrand » Sun Mar 01, 2020 3:09 pm

bitSmasher wrote: ↑
Sun Mar 01, 2020 1:16 am
 So you can draw circles on an oscilloscope 8-)
That's my appeal, anyway...
Or laser.. I'd forgotten that we had a quick play around that at EMS in Stockholm some years back.


Yes, agreed, quadrature phases feel most useful for me as LF modulators - though also one trick for the Linear FM is to feed one wave back to self-modulate - generates a near saw with one wave and pulsey-sine (pic needed!) on the other.
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rico loverde
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Re: Quadrature Sine (2020)

Post by rico loverde » Sun Mar 01, 2020 10:25 pm

so much good stuff from Tom!!! Ugh Im so broke right now!!!!! Need to start selling off some stuff as the bug stuff makes me the happiest.
works for Darkplace Manufacturing
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mIgmOd
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Re: Quadrature Sine (2020)

Post by mIgmOd » Tue Mar 03, 2020 6:52 pm

Great ideas, guys; thanks! Got my brain pointed in the right direction. Now I just need to to get one!
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Jd1979
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Re: Quadrature Sine (2020)

Post by Jd1979 » Sat Mar 21, 2020 4:52 pm

:tu: This is wonderful!!
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Re: Quadrature Sine (2020)

Post by GryphonP3 » Fri Apr 03, 2020 2:54 am

If you make a new shifter please make it compatible with the old quadrature of possible :)
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GryphonP3
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Re: Quadrature Sine (2020)

Post by GryphonP3 » Sat May 02, 2020 5:29 am

mIgmOd wrote: ↑
Sun Mar 01, 2020 1:06 am
 Hi all. I can appreciate, conceptually, why it would be good to have sine waves 90° out of phase from each other, but I'm not sure I understand how to best use them in a patch. Could anyone give some basic examples? Or perhaps I'm overthinking this and it's just always good to have sine waves available. Thanks!
As just discovered in another thread from a hordijk lecture, you can feed the cosine output back into the linear FM input for waveshaping from sine to saw passing through all harmonic series en route.
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Tajnost
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Re: Quadrature Sine (2020)

Post by Tajnost » Sat May 02, 2020 1:59 pm

+1 if possible, please make the expander be compatible with the old design! It would be amazing!
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BugBrand
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Re: Quadrature Sine (2020)

Post by BugBrand » Sat May 02, 2020 5:02 pm

I just checked the files and pretty sure there wasn't a 2pin output header (sin/cos) on the original - perfectly possible to hook up wires to the output sockets though
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tIB
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Re: Quadrature Sine (2020)

Post by tIB » Sat May 02, 2020 5:11 pm

I've been hammering my pair of originals this last week along with the Freq shifters - great modules!
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