BugBrand CTL1 Manual

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Table of Contents

1 – Introduction.....................................................................................................................2

1a – Overview Specifications..................................................................................................2

2 – Standards........................................................................................................................3

2a – Connections................................................................................................................3

2b – Voltages.....................................................................................................................3

2c – System Approaches........................................................................................................3

3 – Modules..........................................................................................................................5

CTL1 – Touch Panel.............................................................................................................6

PRC3A – SV Filter................................................................................................................8

ENV1 – Attack Decay............................................................................................................9

CLK2A - Division...............................................................................................................11

UTL3 – Dual VCA...............................................................................................................12

4 – System & Mechanical Details................................................................................................13

4a – Power & Distribution....................................................................................................13

4b – Frame......................................................................................................................13

4c – Changing Modules........................................................................................................13

4d – Interfacing with other systems........................................................................................13

Appendix A - Standard Frame Assembly........................................................................................14

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Summary of Contents for BugBrand CTL1

Page 1 2 – Standards........................3 2a – Connections........................3 2b – Voltages........................3 2c – System Approaches......................3 3 – Modules..........................5 CTL1 – Touch Panel......................6 PRC3A – SV Filter........................8 ENV1 – Attack Decay......................9 CLK2A - Division.......................11 UTL3 – Dual VCA.......................12 4 – System & Mechanical Details....................13 4a –...
Page 2 1 – Introduction Blah 1a – Overview Specifications System Supply Voltage: +15V, Ground, -15v (from external/system PSU via 3 pin cable) PowerBus Distribution: 4 pin MTA100 header Waveform Voltages: 10v peak to peak (either +/- 5v or 0-10v) Gate Input Threshold: c.+1.5v Input Impedence: 100K typical Output Impedance: 1k typical Signal Connections: 4mm Banana Socket + 1/4”...
Page 3 2 – Standards This section gives an overview of the connection and signal standards used within the system. An understanding of these standards will help you get the greatest fun and function from your system. 2a – Connections 4mm Banana Sockets are used for all signal connections within the system. These are colour coded to highlight functionality.
Page 4 strength' so they may be split and then attenuated individually at each destination, whether audio or control. Banana cables allow you to easily stack connections – this only works in splitting two signals, it does not work for mixing two signals together. Any parameter that can be voltage controlled (VC) will have at least two controls plus one or more CV input.
Page 5 3 – Modules Control Width Current +mA Current -mA CTL1 Touch Panel CTL2 Joystick / Touch Synthesis SYN1 Weevil SYN2A Utility VC-Oscillator Processing PRC1 PT Delay PRC2 BugCrusher PRC3A State Variable Filter PRC4 Dual Low Pass Gate Envelopes ENV1 Attack Decay Envelope...
Page 6 Rev1 – Jan2010 Overview The CTL1 Touch Panel combines a 4-Key Touch Controller with 3 rows of a 4-Stage Preset Sequencer. The Touch Pads generate individual CV Pressure Outputs, plus a Common Pressure and Common Gate. The active step of the Preset Sequencer is selected either by using the Touch Pads and Step Input.
Page 7 too sensitive or not sensitive enough for individual users. By using a small flat-head screwdriver you can adjust the sensitivity with the trimmer located at the bottom left of the PCB. Adjust slightly and re-test the response – settings will generally be around the middle of the trimmer's range. Once adjusted this should not require further trimming.
Page 8 PRC3A – SV Filter Rev1 – Jan2010 Overview: The PRC3A is a compact State Variable (12db/Oct) Voltage Controlled Filter offering four responses. Controls: 1. Audio Input – DC-coupled input for the signal to be processed (typical +/-5v). 2. Frequency CV1 – Frequency Modulation input with depth control (FMod).
Page 9 ENV1 – Attack Decay Rev1 – June09 Overview The ENV1 is a voltage-controlled Envelope Generator offering Attack (Sustain) Decay type events plus a looping oscillator mode. The module uses Vactrols to control the speed of operation. Controls 1. Range Switch – 3 position switch to select envelope speed.
Page 10 Adjustment Procedure There is one multi-turn trimmer in the circuit, but this should not need to be altered in general use. Please read the notes carefully performing any adjustments. The trimmer adjusts the triggering bias and incorrect setting can mean the envelope either does not trigger or stays permanently on. To test correct setting (without oscilloscope) –...
Page 11 CLK2A - Division Rev1 – Mar10 Overview The CLK2A takes a clocking signal and divides it to give integer divisions from 2 to 9. Controls 1. Clock Section – threshold c.1.5v The clock source features a 3-way switch to select either the external socket input or the internal clock bus or to disable clock.
Page 12 UTL3 – Dual VCA Rev1 – Jan2010 Overview: The UTL3 features two independent Voltage Controlled Amplifiers (VCAs) each with response switchable from Linear to Exponential. Controls: 1. Audio Input1 – DC-coupled input for the signal to be processed by VCA1 (typical +/-5v). 2.
Page 13 4 – System & Mechanical Details An overview of the technical specifications of the system. 4a – Power & Distribution The central power for a system will be a bipolar linear PSU (Power Supply Unit) providing a stable and accurate +/-15v plus ground connection. This will generally be located outside of the frame(s) to avoid possible heat- transfer and is connected individually to each rack via a 3pin power cable.
Page 14 Appendix A - Standard Frame Assembly This uses a 2 frame desktop setup as an example, but the approach applies to other configurations. Parts: Frame(s) – 2 x End Cheeks – 22 x M3 bolts per frame // 10mm for module mounting –...
Page 15 III) Holding the frames, invert the setup. Add the second end-cheek and the other 10 x M4 bolts, again only to finger tight. IV) Hold the frames again and lift the setup to sit upright on a flat surface – check that the setup is stable and adjust if necessary.
Page 16 Installing Modules: Again, make sure that the system power is switched OFF before moving modules. Modules are connected to the frame's power distribution using 7” long power cables with 4way MTA100 connectors at each end. Examine these connectors and the headers on the distribution buss to see the means of orientation.

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Prc3a Env1