easy_cv
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| easy_cv [2016/07/16 19:42] – [BreakOut] phatline | easy_cv [2016/08/22 02:03] (current) – [VCA-VCF] phatline | ||
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| ====== EASY CV ====== | ====== EASY CV ====== | ||
| + | |||
| + | Test Equipment: CV-Destination MB33 MAM:\\ | ||
| + | {{: | ||
| + | |||
| ===== Introduction ===== | ===== Introduction ===== | ||
| - | Digital created LFO+ENV with CV-Output. | + | All Parameters are saved as a preset as a song (programchange...)\\ |
| - | No Displays, No Menues, Minimal buttons, much Scopes, much Led-Ring-Rotarys (Planed for LRE-8x2CS), one big UI with complete functions for one LFO+ENV Voice... | + | Digital created LFO+ENV with CV-Output.\\ |
| + | No Displays, No Menues, Minimal buttons, much Scopes, much Led-Ring-Rotarys (LRE-8x2CS)\\ | ||
| + | one big UI with complete functions for one LFO+ENV Voice + 4xChannelstrip Controlls... \\ | ||
| LFO+ENV are mixed together softwareside, | LFO+ENV are mixed together softwareside, | ||
| - | 8xCV-Outputs | + | Each Channel = Filter need 8xCV-Outputs\\ |
| Copy Paste for LFOs and ENVelopes between the Voices\\ | Copy Paste for LFOs and ENVelopes between the Voices\\ | ||
| - | Copy Paste for a Songa aka Preset aka Bank aka Program(change)\\ | + | Copy Paste for a Song aka Preset aka Bank aka Program(change)\\ |
| Jam Style Pattern load (next Preset Display) + Preset Morph between Current-Preset and Next-Preset\\ | Jam Style Pattern load (next Preset Display) + Preset Morph between Current-Preset and Next-Preset\\ | ||
| + | The Early Design was a EuroRack-Module: | ||
| A Breakoutmodule for each CV-Output, with Depth-rotary, | A Breakoutmodule for each CV-Output, with Depth-rotary, | ||
| The Depth-rotary has no Ledring, want to display it as a bar or as Value in the scope... | The Depth-rotary has no Ledring, want to display it as a bar or as Value in the scope... | ||
| - | Whole thing will not be compatible on MB-CV concepts... i will copy code snippets and so on, but i have to understand it from scratch... anyhow this is not generic | ||
| ===== FrontPanel ===== | ===== FrontPanel ===== | ||
| ==== Brain ==== | ==== Brain ==== | ||
| Line 47: | Line 53: | ||
| ==== BreakOut ==== | ==== BreakOut ==== | ||
| + | **this will not be supportet > since i dont want a Euro-Module Setup > i want one big filterbox.**\\ | ||
| 1. Discharged UserInterface for the Brain in " | 1. Discharged UserInterface for the Brain in " | ||
| 2. CV-Breakout EuroModule to be located near the CV-Destination (example: a Filter).\\ | 2. CV-Breakout EuroModule to be located near the CV-Destination (example: a Filter).\\ | ||
| Line 60: | Line 67: | ||
| **Envelope Scope:** show the ENV-Waveform \\ | **Envelope Scope:** show the ENV-Waveform \\ | ||
| or the Mixed-CV-Output-Waveform (when Switch is in LFO Mode)\\ | or the Mixed-CV-Output-Waveform (when Switch is in LFO Mode)\\ | ||
| - | and show the Envelope-Amount with a BAR or as integer | + | and show the Envelope-Amount with a BAR or as numeric |
| **MIXED CV Plug:** CV-Output > Mixed Waveform ENV+LFO\\ | **MIXED CV Plug:** CV-Output > Mixed Waveform ENV+LFO\\ | ||
| **Switch @ ENV:**\\ | **Switch @ ENV:**\\ | ||
| Line 72: | Line 79: | ||
| ==== VCA-VCF ==== | ==== VCA-VCF ==== | ||
| - | THE VCA and the VCF are controlled with each one CV - each CV has a LFO and a ENVELOPE digitaly mixed... fixed in routing.\\ | + | **CVś(AOUT):**\\ |
| - | {{ : | + | 1.VCF-CUT\\ |
| - | basicly a simple VCA (MS20Like) that drives the input of a Audio transformator 1:3 which is a Neutrik NTE10-3 (9€)\\ | + | 2.VCF-RES\\ |
| - | this " | + | 3.FILTER DRIVE\\ |
| - | sound now goes to the Post-VCF-Gain-Potentiometer\\ | + | |
| - | now sound goes into a OP-Amp - to have the change for a light overdrive\\ | + | |
| - | From this point a EFX-Send Potentiometer send the Processed Signal to a extra Output (EFX-Send)\\ | + | |
| - | With the +DRY-Switch, | + | |
| - | Parallel to the EFX-Send Potentiometer is the DRY/WET Potentiometer it Pan between Orginal and Filtered Sound.\\ | + | |
| - | after DRY/WET come the Volume-knob and the Audio outs...\\ | + | |
| - | === Original Schematics 303 - VCA-VCF === | + | 4.VCA-ENV\\ |
| - | {{ :phatline:VCA-VCF-303-orginal.png? | + | 5.VCA-DRIVE\\ |
| - | === Mod Sources === | + | 6.DRY-WET (Orginal vs Filtered Mixer)\\ |
| - | FIXME Fill with 303 mods | + | 7.Send 2 EFX1\\ |
| - | take orginal | + | 8.Send 2 EFX2\\ |
| + | So 1x 8AOUT-Module for each " | ||
| + | The Module of Choise is a 16Bit, since i control | ||
| + | so there is no analog potentiometer for Cutoff or resonance... it is all saved in the Preset.\\ | ||
| + | |||
| + | the VCA is basicly | ||
| + | the VCF are a 303 18dB for the 24db Filter it will be a SSM2044, where bords are available.\\ | ||
| + | |||
| + | In order to not use those **overprized MATCHED-PAIR-TRANSISTORS** (over 2€ on the cheapest place) i have to use standart Transistors and make a **VBE-MATCH** on my own, i have already a PCB from here - to measure the transistors | ||
| + | https:// | ||
| ==== Example for a Filterbank ==== | ==== Example for a Filterbank ==== | ||
| - | Here are 8Envelopeś 4xfor VCF 4xfor VCA... in fact there could be used more then this for example 8xVCF and 8xVCA...since the BREAK-OUT-Modules are Modular, and they share the same " | + | EUROMODULE-BASED >>> |
| {{ : | {{ : | ||
| - | **I will use it to filter:**\\ | ||
| - | 2xGuitar-Loopstations\\ | ||
| - | 1xGuitar\\ | ||
| - | 1xPercussion-Master\\ | ||
| + | A not EUROMODULE-BASED Version of something like this is the FILTERBOX: \\ | ||
| + | (this is the Design I prefer @ the moment) | ||
| + | {{: | ||
| + | |||
| + | Filterbox OneChannel > first idea of Block-shematic: | ||
| + | {{: | ||
| ===== General Design ===== | ===== General Design ===== | ||
| - | The panel size is 3U, Eurorack compliant | + | The Panel is made of transparent but shadet (black transparent) Plexiglass.\\ |
| + | The Panel is directly mounted into a Flightcase.\\ | ||
| + | The 3x LRE8x2 (LEDRING) are mounted with the Encoder Nuts, the rest of the PCBs are mounted with normal thruhole screws.\\ | ||
| ==== FrontPanel ==== | ==== FrontPanel ==== | ||
| ==== PCBs ==== | ==== PCBs ==== | ||
| + | **The Analog-IO Board on the Backpanel, holds:**\\ | ||
| + | -the ENV-VCAs\\ | ||
| + | -the DryWet-VCAs, | ||
| + | -SEND-EFX-VCAs\\ | ||
| + | -the Summing Mixer\\ | ||
| + | -the Ducking-Cross-AMP-Follower+Ducking-VCAs\\ | ||
| + | -VCF+ENV-VCA-Distortion-Driver-VCAs\\ | ||
| + | -the Connectors to connect the Filter, AOUT, Poti-Boards\\ | ||
| - | The Analog Circuits (VCF+VCA) get sandwitch as normal (not90° angeled) | + | Left-Part of the Brain on Breathboard: |
| - | + | OLED-Display \\ | |
| - | ==== 3D View of Sandwitches ==== | + | Button: ShadowSE/ |
| + | ENCODER: with built in Pushswitch\\ | ||
| + | a early state with 7Segment Displays to indicate the Patches\\ | ||
| + | {{: | ||
| - | FIXME make concept | ||
| ==== 1. UI Parts Listing | ==== 1. UI Parts Listing | ||
| === BRAIN + BREAKOUT === | === BRAIN + BREAKOUT === | ||
| - | * [[https:// | + | * 6,3 Neutrik Connector\\ |
| - | * [[http:// | + | * [[http:// |
| ^ Value | ^ Value | ||
| - | |3.5mm Jack |Vertical PCB-Mount | ||
| |Switch | |Switch | ||
| FIXME Fill Table | FIXME Fill Table | ||
| Line 128: | Line 151: | ||
| * [[https:// | * [[https:// | ||
| * [[where_to_order_components# | * [[where_to_order_components# | ||
| - | * FIXME need special 4gang 50KB potentiometers | + | * FIXME which Values |
| - | * FIXME need special 4gang xxKB (50?) potis for a Stereo DRY/WET Mix | + | |
| - | * FIXME need special 2gang xxKB (50?) potis for EFX Send Mix Stereo | + | |
| - | * FIXME need special 2gang 50KA potis for CUT-OFF Stereo | + | |
| - | * FIXME need special 2gang Post Transformator Potentiometer (Value have to look in my prototype which is used) | + | |
| - | ^ Value | ||
| - | |5K | ||
| - | |10K |Linear | ||
| - | |50K |Linear | ||
| - | |50K |Logarithmic | ||
| - | |100K | ||
| - | |1M | ||
| - | |2M? |Linear | ||
| - | |Knobs | ||
| - | |||
| - | |||
| - | ==== 2. Analog Parts Listing ==== | ||
| - | |||
| - | === VCA-VCF-Board === | ||
| - | |||
| - | FIXME Fill Table | ||
| ==== 3.Footprint Making in KiCAD ==== | ==== 3.Footprint Making in KiCAD ==== | ||
| Line 155: | Line 158: | ||
| * ALPS Pots | * ALPS Pots | ||
| * Alpha Pots | * Alpha Pots | ||
| - | * 3,5mm Jack | + | * 6,3mm Jack |
| * Switch | * Switch | ||
| * Momentary Switch | * Momentary Switch | ||
| - | * 7 Segment LED Display | + | * SSD-Displays |
| * OLED DIsplay | * OLED DIsplay | ||
| * Rotary Encoder | * Rotary Encoder | ||
| Line 173: | Line 176: | ||
| | | ||
| | | ||
| - | - LRE8x2CS - is a generic PCB which i already have (fairlightiiś)\\ | + | - 3x LRE8x2CS - is a generic PCB which i already have (fairlightiiś)\\ |
| - | - BREAKOUT PCBs (maybe have to sandwitch because of shiftregisters and less space)\\ | + | - Backpanel PCB\\ |
| - | - FILTER PCBs (have to sandwitch)\\ | + | - FILTER PCBs\\ |
easy_cv.1468698168.txt.gz · Last modified: 2016/07/16 19:42 by phatline