Olivella Modular Signos User manual

User manual
Dual signal transmutator
SIGNOS

Introduction
Olivella Modular SIGNOS

                
                     !    "!
                  #    
$%&'

"()
*       
+,
+-.&
 
+/012'   

3
453
/167./      1          3         
,,
'/167./

Features
'
.

8 
!"!
$%&
'
-.&/012'

2
SIGNOS - User Manual | Page 2

Installation
3%3powered off
9:;,!3
making sure that the red stripe on the able is onne ted to -12V(
3)
9<;,=
%3making sure that the red stripe on the able is
onne ted to -12V on your power supply
-%3
8>
13(
                /167./        )
the module will not get damaged 
53
Details
2&
&
1*9::3 Ω
.*!9: Ω
?*=08
&*@:
"9;*99:
9;*99:
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()33
43&

'*main inputs  modulation inputs
Main inputs
're eive the signals that will a tually get pro esed/167./
?    5    (  )    :  '      
              5        
(3)
5
    5
$%& 
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         
amplitude5
?                  3  
"!:!
the modulation knobs a t in two different ways in parallel*
?!:
:";!
?"!
'                       
light blue olor*
3
5B
35
?                 3    
attenuverters (gain of -1 to 0 to 1)                   
attenuators (gain of 0 to 1)
'          C 
,3?9
("!3)
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
5B
ANDDOR
SIGNOS - User Manual | Page 7

MOD waveshaper
Block diagram
'reprodu e the mathemati al modulo operation
, 3
3main inputvoltage threshold?
EModulo step sizeF(
3)'        
step size
up to four timesEstepsF
33EModulo
output polarityF43()-.&
'  5              ,      -.&  * 
0Vvoltage 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)

$53*
'-/+5V
'+2V3
main input-.&()
.+4V3
voltage threshold-.&()
,(+2V+ 4V = +6V)
(-5V)a tual voltage threshold  (+1V) step size
  33     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:
09< (0 to +4VG0V)5
main input-.&()
.+3V3
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)33inversely 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.
H5multimetersmall @at head s rewdriver
8&()
'*one of the s rews (labeled GND).-
 ir led test point below the Modulo step size trimmer
H:"II(:II
35)
?start adjusting the trimmer
,9:::2,
>
Turn off your system/167./3
&>
SIGNOS - User Manual | Page 10