Olivella Modular Signos User manual
User manual
Dual signal transmutator
SIGNOS
Introduction
Olivella Modular SIGNOS
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Features
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SIGNOS - User Manual | Page 2
Installation
3%3powered off
9:;,!3
making sure that the red stripe on the able is onne ted to -12V(
3)
9<;,=
%3making sure that the red stripe on the able is
onne ted to -12V on your power supply
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13(
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the module will not get damaged
53
Details
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1*9::3 Ω
.*!9: Ω
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A
SIGNOS - User Manual | Page 3
Panel overview
SIGNOS - User Manual | Page 4
8
16
X modulation knob
1
X modulation input
X main input
3
X offset knob4
X unipolar VCA out
5
X inverted unipolar VCA out
6
X bipolar VCA out
7
X bipolar VCA LED indicator
8
Y modulation knob
9
Y modulation input
10
Y main input
11
Y offset knob
1
Y unipolar VCA out
13
Y inverted unipolar VCA out
14
Y bipolar VCA out
15
Y bipolar VCA LED indicator
16
Analog AND gate out
17
Analog OR gate out
18
MOD waveshaper out
19
SHIFT waveshaper out
0
1
3
4
56
7
9
1011
1
13 14
15
17
18
19 0
Inputs and VCAs
Block diagram (one channel)
/167./four inputs()33
43&
'*main inputs modulation inputs
Main inputs
're eive the signals that will a tually get pro esed/167./
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5
(3)
5
5
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SIGNOS - User Manual | Page 5
INV
MAIN INPUT
MODULATION INPUT
INV
VCA
VCA
MODULATION KNOB
OFFSET KNOB
VCA
+
INV
BIPOLAR VCA
(normalled to -/+5V)
(normalled to 0V)
OUT
OUT
OUT
LED
AND OR
UNIPOLAR
MODULATION
VCA
UNIPOLAR
MODULATION
BIPOLAR
(-5V to +5V)
Modulation inputs and modulation knobs
' ontrol the modulation applied to the VCAs
amplitude5
? 3
"!:!
the modulation knobs a t in two different ways in parallel*
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'
light blue olor*
3
5B
35
? 3
attenuverters (gain of -1 to 0 to 1)
attenuators (gain of 0 to 1)
' C
,3?9
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SIGNOS - User Manual | Page 6
UNIPOLAR MODULATION VOLTAGE (ATTENUATOR FOR INCOMING CV)
BIPOLAR MODULATION VOLTAGE (ATTENUVERTER FOR INCOMING CV)
0 V +5 V
+ .5 V
0 V +5 V-5 V
CCW CW
Analog logic
AND gate (analog minimum / boolean AND)
'lesser value
?()3
only when both signals
OR gate (analog maximum / boolean OR)
'greater value
?()3
whenever either of the signals
5B
ANDDOR
SIGNOS - User Manual | Page 7
MOD waveshaper
Block diagram
'reprodu e the mathemati al modulo operation
, 3
3main inputvoltage threshold?
EModulo step sizeF(
3)'
step size
up to four timesEstepsF
33EModulo
output polarityF43()-.&
' 5 , -.& *
0Vvoltage threshold level
resulting waveform *
SIGNOS - User Manual | Page 8
+ V offset
+4V offset
(voltage threshold)
(main input)
0 V
+1 V
+3 V
-3 V
0 V
+5 V
-5 V
+ V
(offset)
+1 V
+4V
(voltage
threshold)
Step size
-1V
Fully open VCA
Step size voltage = -1 V
X INPUT
(sawtooth wave, 10 Vpp)
MOD OUTPUT
(altered sawtooth wave, 6 Vpp)
OUT
+
STEP SIZE
TRIMMER
OUTPUT POLARITY
JUMPER
COMPARATORS
ANALOG SWITCHES
(0V to -3.3V,
calibrated at -1 V)
$53*
'-/+5V
'+2V3
main input-.&()
.+4V3
voltage threshold-.&()
,(+2V+ 4V = +6V)
(-5V)a tual voltage threshold (+1V) step size
33 substra ts -1V 3 3 0V
( four steps in total)
3
5 ,
C
',
9 they are
very different and separate parts of this ir uit,
Sequence / DC manipulation:
09< (0 to +4VG0V)5
main input-.&()
.+3V3
voltage threshold-.&()
SIGNOS - User Manual | Page 9
+3V offset
(voltage threshold)
(main input)
0 V
+4 V
X INPUT
Fully open VCA
(original
sequence OUTPUT)
0 V
-1 V
MOD OUTPUT
(16 step sequence, C minor scale)(altered 16 step sequence, chromatic scale)
Step size voltage = -1 V
Root (9th step) = 0 V
Root (9th step) = 0 V
(original sequence
inverted OUTPUT)
'3 moving the offset knob CCW restri ts the
range of the altered sequen e-.&
' keeping its root
note steady (9th step = 0V) maintaining its tuning within the 12 notes of the
hromati s ale
two opies of the original sequen e
'C,*
? voltage threshold step size
voltage(-1V)33inversely proportional of
said threshold level*
'3 3 Modulo output polarity
jumper 3 positive (+) Modulo step size
trimmer EXACTLY -1V
Modulo step size - calibration procedure:
First of all, beware that you will be doing this with your system turned ON, so be areful
to not tou h or poke into anything other that the labeled probing points on the ba k of
the module.
H5multimetersmall @at head s rewdriver
8&()
'*one of the s rews (labeled GND).-
ir led test point below the Modulo step size trimmer
H:"II(:II
35)
?start adjusting the trimmer
,9:::2,
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Turn off your system/167./3
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SIGNOS - User Manual | Page 10
SHIFT waveshaper
Block diagram
',
C533Jpa ks a lot of shaping apabilities
sawtooth frequen y-doubling, distortion
espe ially using feedba k 5
C,9=
',/012'3559:
1ex eeds +600mV,5subtra t 8V
/012'
' + drops below
+600mV 5 adding 8V
/012'
' /012' 5 , *
0V resulting
waveform *
SIGNOS - User Manual | Page 11
OUT
+COMPARATOR
-1.8V
+
(main input)
0 V
+6 V
-6 V
0 V
+5 V
-5 V
Fully open VCA
INPUT
(sine wave, 10 Vpp)
SHIFT OUTPUT
(altered sine wave, 1 Vpp)
+600mV
-8V +8V
Sawtooth frequency doubler:
'
100Hz10Vpp
main input/012'()
rises above +600mV/012'
3"< gets dramati ally shifted
down by -8V3
'doubles up the frequen y/012'9::0
;::0
' /012' 5
,/012'C(")
'3-.& both hannels an
a t as the main and/or the modulation input of the SHIFT ir uit indistin tly
2,$2.5
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SIGNOS - User Manual | Page 12
(main input)
0 V
+6 V
-6 V
0 V
+5 V
-5 V
Fully open VCA
INPUT
(100 Hz sawtooth wave, 10 Vpp)
SHIFT OUTPUT
( 00 Hz sawtooth wave, 1 Vpp)
-8V
More patch examples!
Staircase waveshaper:
Dual linear VCA with normal and inverted outputs:
SIGNOS - User Manual | Page 13
Waveshape control
PWM
Y INPUT
(triangle or sawtooth wave, 10 Vpp)
MOD OUTPUT
(staircase waveform, 3.8 Vpp max)
0 V
+5 V
-5 V
0 V
+5 V
-5 V
0 V
+800mV
-3 V
0 V
+800mV
-3 V
Input
bipolar
VCA
CV attenuator
X INPUTS
(decay envelope, 9 Vpp)
(sawtooth wave, 10 Vpp)
0 V
+5 V
-5 V
Y INPUTS
(square wave, 10 Vpp)
(sine wave LFO, 10 Vpp)
0 V
+5 V
-5 V
0 V
+5 V
-5 V
0 V
+9 V
CV attenuator
X UNIPOLAR VCA OUTS
(amplitude modulated signals, 10 Vpp)
0 V
+5 V
-5 V
0 V
+5 V
-5 V
0 V
0 V
+ .5 V
- .5 V
Y UNIPOLAR VCA OUTS
(amplitude modulated signals, 5 Vpp)
+ .5 V
- .5 V
(inverted out)
(inverted out)
Half-wave rectification (with variable offset and threshold):
Full-wave rectification:
SIGNOS - User Manual | Page 14
Offset
Threshold
INPUT
(triangle wave, 10 Vpp)
0 V
+5 V
-5 V
LOGIC OUTPUTS
(half-wave rectified triangle, 5 Vpp)
Amplitude
0 V
-5 V
0 V
+5 V
INPUT
(triangle wave, 100Hz, 10 Vpp)
0 V
+5 V
-5 V
LOGIC OUTPUTS
(full-wave rectified triangle, 00Hz, 5 Vpp)
0 V
-5 V
0 V
+5 V
Inverting
bipolar
VCA
Amplitude
Two independent ring modulators:
Ducking / sidechaining : “ ”
SIGNOS - User Manual | Page 15
BIPOLAR VCA OUTPUTS
(ring modulated signals, 5 Vpp)
0 V
+ .5 V
- .5 V X INPUTS
(modulator, triangle wave, 10 Vpp)
(carrier, sawtooth wave, 10 Vpp)
0 V
+5 V
-5 V
0 V
+5 V
-5 V
Y INPUTS
(modulator, sine wave, 10 Vpp)
(carrier, square wave, 10 Vpp)
0 V
+5 V
-5 V
0 V
+5 V
-5 V
0 V
+ .5 V
- .5 V
INPUT
(sawtooth wave, 10 Vpp)
0 V
+5 V
-5 V
0 V
+10 V
MODULATION
(decay envelope, 10 Vpp)
UNIPOLAR VCA OUTPUT
("ducking" sawtooth wave, 5 Vpp)
0 V
+ .5 V
- .5 V
Logical mixing (with variable offset and amplitude):
Logical crossfading:
SIGNOS - User Manual | Page 16
INPUTS
(triangle and square waves, 10 Vpp)
Offset
LOGIC OUTPUTS
(logical mixing, 10 Vpp)
Amplitude
0 V
+5 V
-5 V
Offset
Amplitude
0 V
+5 V
-5 V
0 V
+5 V
-5 V
0 V
+5 V
-5 V
SIGNAL INPUTS
(triangle and square waves, 10 Vpp)
LOGIC OUTPUTS
(logical crossfading, 10.5 Vpp)
0 V
+5 V
-5 V
0 V
+5 V
-5 V
0 V
+5 V
-5 V
MODULATION INPUT
(rising voltage, -5V to +5V)
ORAND
0 V
+8.5 V
- V
0 V
-8.5 V
+ V
0 V
-8.5 V
+ V
One input, eight related outputs:
Bernoulli gate : “ ”
SIGNOS - User Manual | Page 17
Y INPUT
(triangle wave, 10 Vpp)
0 V
+5 V
-5 V
0 V
+600mV
X BIPOLAR VCA OUT
(fixed voltage, +600mV)
0 V
-6. V
+600mV
AND OUTPUT
(rectified triangle, 6.8 Vpp)
0 V
+3.8 V
+600mV
OR OUTPUT
(rectified triangle, 3. Vpp)
MOD OUTPUT
(staircase waveform, 3.8 Vpp)
0 V
-3. V
+600mV
0 V
+5.5 V
-6.5 V
SHIFT OUTPUT
(folded triangle, 1 Vpp)
0 V
+5 V
-5 V
Y VCA OUT
(triangle, 10 Vpp)
0 V
+5 V
-5 V
Y INV. VCA OUT
(inverted triangle, 10 Vpp)
+3.8 V
Y BIPOLAR VCA OUT
(offset triangle, 10 Vpp)
0 V
-6. V
Clock amplitude
Y INPUT
(clock [gate or trig], 5 Vpp)
Must be the same that's clocking
the S/H - stepped random voltage.
Probability balance
(0% at -5V, 100% at +5V)
X INPUT
(S/H - stepped random voltage, 8 Vpp)
Random voltage amplitude
0 V
+5 V
AND OUTPUT
(probabilistic gate / trigger, 5 Vpp max)
0 V
+5 V
Input trigger sensibility / threshold vary between
modules. Adjust SIGNOS' amplitudes accordingly.
This patch was designed for a module that
has an input gate / trig threshold of + V.
0 V
+8 V
Variable bit-reduction / voltage controlled fuzz:
Asymmetric clipping / nasty distortion:
SIGNOS - User Manual | Page 18
Offset / distortion (max. at 0V)
INPUT
(audio signal, 5 Vpp)
SHIFT OUTPUT
(distorted audio, 1 Vpp)
0 V
+ .5 V
- .5 V
OPTIONAL nd INPUT
(audio signal, 5 Vpp)
Offset / distortion (max. at 0V)
0 V
+4 V
-8 V
Intensity (max. at 0V)
Gate / bias (min. at 0V)
Y INPUT
(audio signal, 5 Vpp)
MOD OUTPUT
(square wave, 3.8 Vpp max)
0 V
+ .5 V
- .5 V
0 V
- 00mV
-4 V
Input
bipolar
VCA
Feedback square wave oscillator:
Triangle to sine / feedback waveshaper / wavefolder : “ ”
SIGNOS - User Manual | Page 19
Manual tuning
(100Hz to .4kHz, unstable)
MOD OUTPUT
(square wave, 1 Vpp max)
0 V
+300mV
-700mV
-6dB
-6dB
FM INPUT
SEQUENCE INPUT
INPUT
(triangle wave, 10 Vpp)
0 V
+5 V
-5 V
OUTPUT
(sine wave, 10 Vpp)
0 V
+5 V
-5 V
Crossfader TRI / SINE (with CV input)
"Wavefolding" control
(turning the LIN/EXP response knob CW
deepens the folding effect, but also limits
the GAIN knob's amplitude range.
Like in every feedback patch,
experimenting is encouraged.
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