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 1031 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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deltaphoenix
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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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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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Kafgee
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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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mIgmOd
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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.
(Sounds)--> :eek:

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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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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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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 :)
My cat can eat a whole watermelon ...

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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.
My cat can eat a whole watermelon ...

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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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