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Through-­‐Zero   VCO   Manual   0.1

   

1   

   

Through-Zero Voltage-

Controlled Oscillator 

   
   

   
   

   
   
   

   

   
   

   
   
   

Liivatera OÜ

 

Rävala pst. 8, A211 
10143 Tallinn 
Harjumaa 
Estonia 
 

T: +372 637 6441 
T: +44 5603 010854 
E: [email protected]

   

Summary of Contents for Through-Zero VCO

Page 1: ...Through Zero VCO Manual 0 1 1 Through Zero Voltage Controlled Oscillator Liivatera O R vala pst 8 A211 10143 Tallinn Harjumaa Estonia T 372 637 6441 T 44 5603 010854 E contact liivatera com...

Page 2: ...n 3 VCO and LFO in a single module 3 Key Data 3 Installing The Module 4 Connecting Power 4 Selecting CV Source 4 Fitting the Module in the Rack 5 Getting Started 6 Connecting to a CV Source 7 VCO Outp...

Page 3: ...he rising falling and rising falling edges of a signal The trigger threshold is set by the sum of a front panel control and external CV so the sync can be modulated to modify the tone of the VCO Pulse...

Page 4: ...o power the module briefly before fixing it in the cabinet to confirm that the cable is fitted correctly When doing this ensure that the module is not placed on a conducting surface The internal prote...

Page 5: ...in the rack and if you are using threaded guide rails align the mounting holes in the front panel with the holes in the rails Place the nylon washers on the bolts and screw the bolts into the rail The...

Page 6: ...uts are on the left side of the module and outputs on the right The three pots at the top of the module control frequency and once set are unlikely to need modification while using the module It is al...

Page 7: ...O module provides all the usual waveforms Sine Triangle Saw Square and Pulse In addition to these there are half frequency square and double frequency saw outputs that extend the range of the oscillat...

Page 8: ...tial frequency Through Zero FM With the FM Depth switch set to either the centre or bottom positions the FM sensitivity is increased by a factor of 3 or 10 respectively This increases the modulation r...

Page 9: ...cture and it is unlikely to need further adjustment 1 volt octave Scaling The module is supplied pre trimmed for 1 volt octave scaling on the input connected to the Doepfer 16 pin header but users may...

Page 10: ...e output 2 Play A4 on the keyboard and adjust the Coarse and Fine knobs until the VCO is generating a tone at 440Hz 3 Play A6 on the keyboard and trim the scaling adjustment trimmer until the frequenc...

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