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Overview:

FUNCTION is part of the MATHS family of control voltage utility modules. It is a small analog computer designed for musical 

purposes. Amongst other things, the Function will allow you to:

1. Generate a variety of linear, logarithmic, or exponential triggered or continuous functions

2. Generate discrete time functions

3. Integrate an incoming signal

4. Invert an incoming signal

5. Generate analog signals from digital information (Gate/ Clock) 

6. Generate digital information (Gate/ Clock) from analog signals

7. Delay digital (Gate/ Clock) information

If the above list reads like science rather than music, here is the translation:

1. Voltage Controlled Envelope or LFO

2. Stepped voltages like Sample and Hold, Track and Hold, Staircase LFO

3. Apply Lag, Slew or Portamento to control voltages

4. Modulate backwards!

5. Musical Events such as Ramping up or Down in Tempo, on command

6. Initiating Musical events upon sensing motion in the system 

7. Musical note division and/or Flam

Indeed the FUNCTION is a direct descendent of MATHS, sharing the same core circuit, complete with some evolutions:

1.  

Since most Make Noise modules have attenuators on the CV inputs, the scaling/ inversion feature has  been replaced with  

 

dedicated Non-Inverted/ Inverted outputs. This is useful as you could have the same signal modulating two different  

 

destinations in opposition. 

2.  

As FUNCTION is single channel design, we included both EOR and EOC. There is interesting things you could do with  

 

these outputs such as flams (see patch tips). Much like CH 1 and 4 on the MATHS, multiple FUNCTIONs can also be used  

 

to program complex functions using EOR and EOC.

3.       The evolution in the circuit is the HANG input. On Gate HIGH at the HANG IN, the FUNCTION is stopped dead in its tracks.  

 

With HANG you can program Stepped LFOs, Synchronized Functions (using multiple of clock), S&H, Track & Hold, Clock  

 

Run/Stop (using EOR or EOC out for Clock) and more.

Tips & Tricks:

-Longer cycles will be achieved with more Logarithmic response curves. The fastest, sharpestfunctions will be achieved 

with extreme exponential response curves.

 

-Adjustment to the response curve will affect Rise and Fall Times.

 

-To achieve longer or shorter Rise and Fall Times than available from Panel Controls, apply a voltage offset to the 

Control Signal Inputs. 

-Extremely long cycles may be achieved by setting Rise and Fall to about 50% and patching a slow clock to HANG.  

-It helps to have control over the WIDTH of the gate/ clock applied to the HANG input, so another  

  

 

MATHS (or other modules with Gate/ clock width control such as Pro Modular CLOQ) will be very handy.  

 

-Use the Inverted Signal OUT where you require reversed modulation but do not have means for inversion at the CV 

destination (no attenuvertor).  

-Feeding the Inverted Signal OUT back into the FUNCTION at any of the CV inputs is highly useful (see patch tips).

Summary of Contents for FUNCTION

Page 1: ...v2 3 ...

Page 2: ...FUNCTION Limited Warranty 2 Installation 3 Panel Controls 4 Overview 6 Patch Ideas 7 1 ...

Page 3: ...e products will be repaired or replaced at the option of Make Noise on a return to Make Noise basis with the customer paying the transit cost to Make Noise Please contact technical makenoisemusic com for Return To Manufacturer Authorization Make Noise implies and accepts no responsibility for harm to person or apparatus caused through operation of this product Please contact technical makenoisemus...

Page 4: ...rly installed into a Eurorack format modular synthesizer system case Go to http www makenoisemusic com systems shtml for examples of Eurorack Systems and Cases board connector cable on backside of module see picture below plug the bus board connector cable into the Eurorack style bus board minding the polarity so that the RED stripe on the cable is oriented to the NEGATIVE 12 Volt line on both the...

Page 5: ...nly during Falling portion 3 CYCLE LED Indicates CYCLE ON or OFF 4 CYCLE Button Causes the circuit to self cycle thus generating a repeating voltage function aka LFO Use for LFO Clock VCO 5 Rise Panel Control Sets the time it takes for the voltage function to ramp up CW rotation increases Rise Time 6 Rise CV IN Linear control signal input for Rise parameter Positive Control signals increase Rise T...

Page 6: ...uit dead in its tracks Use for programming S H Track and Hold Stepped Functions Stepped LFOs synchronized Functions 12 LED indicates activity within the circuit 13 Non Inverted Signal OUT Non inverted signal from the FUNCTION circuit Buffered and capable of accurately driving a 4 way multiple 8V peak to peak when Cycling Otherwise this output will follow the amplitude of the input 14 EOR EOC LED I...

Page 7: ...erent destinations in opposition 2 As FUNCTION is single channel design we included both EOR and EOC There is interesting things you could do with these outputs such as flams see patch tips Much like CH 1 and 4 on the MATHS multiple FUNCTIONs can also be used to program complex functions using EOR and EOC 3 The evolution in the circuit is the HANG input On Gate HIGH at the HANG IN the FUNCTION is ...

Page 8: ... Voltage Controlled Ramp Function LFO As above only the Rise parameter is set FULL CCW Fall parameter is set to at least NOON Fall parameter as well as the BOTH control voltage IN determines the rate VC LAG Slew Processor Portamento A signal applied to the Signal IN is slewed according to the RISE and FALL parameters Variable response from Log through Linear to Exponential as set by the Vari Respo...

Page 9: ... Strike IN Take output 2 the Flam from EOC patch to Optomix CH 2 Strike IN Apply Signal s to be Flammed at Optomix Signal IN 1 and 2 Monitor SUM out Flam control is performed with the Fall parameter Voltage Controlled Clock Divider Clock signal applied to Trigger IN is processed by a divisor as set by Rise parameter Increasing Rise sets divisor higher resulting in larger divisions Fall time adjust...

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