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Rhythmic Variations:

Summary:

Any two different clock signals or gate/trigger patterns can

be connected to one of the logic gates for interesting rhythmic outputs.
Experiment with different clock rates and logic gates. Take advantage
of the internal normalling and use three clock signals or gate/trigger
patterns instead of two.

Clock Signal 1

AND Output

NAND Output

OR Output

NOR Output

XOR Output

XNOR Output

NOT Output

Clock Signal 3

Clock Signal 2

Summary of Contents for eas

Page 1: ...eãs Logic Module User Manual ...

Page 2: ...tents 3 Description Features 4 Installation Specifications 5 Overview 6 Gate Logic 8 Boolean Logic Tables 10 Patch Examples Pulse Syncing Pulse Mixing Rhythmic Variations CMOS Style Ring Modulation Cheapnis ...

Page 3: ...eation of interesting rhythmic patterns as well as patch based problem solving eãs is the be all and end all of logic modules Sporting all of the classic logic gate functions it includes AND NAND OR NOR XOR XNOR and NOT Everything from syncopated rhythmic structures to CMOS style ring modulation to creative solutions to your patch s most glaring issues eãs is there Logic after all is the beginning...

Page 4: ...wer cable is connected to 12V 4 Connect the 16 pin side of the IDC power cable to the 2x8 pin header on your Eurorack power supply confirming that the red stripe on the power cable is connected to 12V 5 Mount the Instruō eãs in your Eurorack synthesizer case 6 Power your Eurorack synthesizer system on Note This module has reverse polarity protection Inverted installation of the power cable will no...

Page 5: ...or stream flows over a precipice or steep incline Key 1 AND Input 1 2 AND Input 2 3 AND Output 4 NAND Output 5 OR Input 1 6 OR Input 2 7 OR Output 8 NOR Output 9 XOR Input 1 10 XOR Input 2 1 1 XOR Output 12 XNOR Ouput 13 NOT Input 14 NOT Output 1 3 5 7 9 2 4 6 8 1 0 13 11 14 12 Normalisation ...

Page 6: ...utput OR NOR Gate Logic In OR gate logic voltage is held HIGH at the output if one or both of the inputs to the OR gate are held HIGH If neither input is HIGH the output will be held LOW NOR gate logic is the inverse of OR gate logic If the signal present at either OR Input 1 or OR Input 2 is held HIGH voltage will pass to the OR Output If using the OR gate only a signal must be present at OR Inpu...

Page 7: ... XOR gate is present at the XNOR Output The NOR Output normals to XOR Input 2 NOT Gate Logic In NOT gate logic voltage is held HIGH at the output if LOW voltage is present at the input Similarly voltage is held LOW at the output if HIGH voltage is present at the input NOT gate logic is a way to invert gate and trigger signals The XOR Output normals to the NOT Input ...

Page 8: ...8 Boolean Logic Tables AND NAND Gate Logic 0 0 1 1 1 1 1 0 0 1 0 1 0 0 0 1 Input 1 Input 2 AND NAND ...

Page 9: ...9 OR NOR Gate Logic 0 0 1 1 1 0 0 0 0 1 0 1 0 1 1 1 Input 1 Input 2 OR NOR ...

Page 10: ...10 XOR XNOR Gate Logic NOT Gate Logic 0 0 1 1 1 0 0 1 0 1 0 1 0 1 1 0 Input 1 Input 2 XOR XNOR 0 1 1 0 Input NOT ...

Page 11: ...to synchronize two pulse signals By connecting a steady clock signal to AND Input 1 and connecting a faster random pulse signal to AND Input 2 the AND Output will generate random pulses only when the steady clock signal is held HIGH Output Steady Clock Signal Random Clock Signal ...

Page 12: ... is to mix two pulse signals By connecting a pulse signal to OR Input 1 and a different pulse signal to OR Input 2 the OR Output will generate a sum of the two pulse signals creating a more intricate pulse pattern Summed Output Clock Signal 1 Clock Signal 2 ...

Page 13: ... gates for interesting rhythmic outputs Experiment with different clock rates and logic gates Take advantage of the internal normalling and use three clock signals or gate trigger patterns instead of two Clock Signal 1 AND Output NAND Output OR Output NOR Output XOR Output XNOR Output NOT Output Clock Signal 3 Clock Signal 2 ...

Page 14: ...OR Inputs for CMOS style ring modulation effects This style of ring modulation is often used for synthesizing cymbal sounds It s also found on many classic synthesizers as a way to add overtones to the primary oscillator waveforms Output Output Audio Rate Signal 1 Audio Rate Signal 2 ...

Page 15: ...io rate signals at any of the logic gates for 1 bit pulse code modulation tones Unipolar positive audio rate signals will result in authentically cheap digital sounds Output Audio Rate Signal 3 Audio Rate Signal 2 Audio Rate Signal 1 ...

Page 16: ...16 This device meets the requirements of the following standards EN55032 EN55103 2 EN61000 3 2 EN61000 3 3 EN6231 1 Manual Author Collin Russell Manual Design Dominic D Sylva ...

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