Synthesizers.com Q106 Manual Download Page 3

 

Q106  

Oscillator

 

Jun 2014 

     Pulse Width Control Section 
     Pulse Width Control Connector  
          Allows external control of pulse width.  
     Pulse Width Level Control  
          Determines the amount of affect that the pulse width control voltage 
          has.  
     Pulse Width Control  
          Allows manual setting of pulse width.  
 
     Exponential Frequency Control Section 
     1V/Octave Connectors (2)  
          Allows external control of pitch with an exponential response (usually 
          from keyboards)  
     Adjustable Exponential Connector  
          Allows external control of pitch with an exponential response.  
     Exponential Frequency Level Control  
          Determines the amount of affect that the exponential control voltage 
          has upon pitch.  
 
     Output Section 
     Sine  
          Pure mellow sounding waveform with almost no harmonics. 
          Flute-like.  
     Triangle  
          Mellow sounding waveform with some harmonics.  
     Saw  
          Buzzy sounding waveform with many harmonics. Brass horn-like.  
     Ramp  
          Inverse of Saw. Sounds the same but useful for modulation.  
     Pulse  
          Hollow sounding waveform with many harmonics. Width can be 
          controlled. Woodwind-like.  

 
Waveforms 

 

Summary of Contents for Q106

Page 1: ... voltage control A Hard Sync input allows synchronization between oscillators Controls and Connectors There are 6 sections listed top to bottom Frequency Range Section Hard Sync Section Linear Frequency Control Section Pulse Width Control Section Exponential Frequency Control Section Output Section Frequency Range Section Frequency Range Control Selects octaves from 32hz to 512hz with a low settin...

Page 2: ...s Fine frequency adjustment 1 2 octave Waveform outputs 10v p p Hard Sync input Use Saw from another oscillator Linear input adjust Pulse width modulation input variable 1V Octave input adjust 1V Octave voltage control inputs Manual pulse width adjust ...

Page 3: ...usually from keyboards Adjustable Exponential Connector Allows external control of pitch with an exponential response Exponential Frequency Level Control Determines the amount of affect that the exponential control voltage has upon pitch Output Section Sine Pure mellow sounding waveform with almost no harmonics Flute like Triangle Mellow sounding waveform with some harmonics Saw Buzzy sounding wav...

Page 4: ...ing Accuracy Tracking accuracy determines how closely your oscillators track the keyboard Human hearing is very sensitive to pitch and some people can discern differences as low as 2 Tracking is most important on frequencies from 32hz to 4096hz 7 octaves We think this is the most important parameter of an oscilla tor Test Equipment Used all have recent calibration HP 5335a 9 Digit Frequency Counte...

Page 5: ...l Pulse Width Modulation The width of the pulse waveform can be adjusted manually or from an external control signal such as an other oscillator This produces interesting effects similar to a violin You ll have to experiment to see how this sounds Using the Oscillator to Modulate The Q106 Oscillator is designed to produce both audio signals and slow moving signals to modulate other modules Normall...

Page 6: ... a Set the calibrator to 0V b Adjust the base frequency trim pot to 32hz exactly Something like 32 03 c Set the calibrator to 1 000V d Adjust the V Octave trim pot to get 64hz Something like 64 06 double the previous reading Turning the V Octave trim pot clockwise will widen the tracking You will have to change the base frequency trim pot to get back to 32hz after each adjustment Switch between 0V...

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