Showing posts with label Ciat-Lonbarde. Show all posts
Showing posts with label Ciat-Lonbarde. Show all posts

Thursday, 3 January 2019

Ciat Lonbarde _ Gerassic Organ

My first build for 2019.
The Ciat Lonbarde Gerassic Organ.


This is what is called a "Paper Circuit".
iTS  a Dual Organ.
Here are some links for paper circuits.
http://ciat-lonbarde.net/paper/

More Links:
http://www.ciat-lonbarde.net/TIMARACURRICULUM/TIMARATERIALS/cirques/index.html


Totally DIY . I'm trying to avoid using any "traditional" PCB materials.
Art meets Electronics


The PCB design is a beautiful, organic creature. Totally divorced from the grid like PCBs I'm used to.
The plan is to use transparent perspex to hold everything together.
You could easily build this on some perf board but you wouldn't be able to see the connections.

The 4067b is a digitally controlled analog switch.
It's a 16 channel CMOS analog multiplexer.


There are 4 binary control inputs (A,B,C,D) and a inhibit input, arranged so that any combination of the inputs selects one switch.



PNP's = BC557 (x3) ... identified by the "+"
NPN's = BC547 (x1)... identified by the "-"
Diodes = 1N4001 (x3)
Pots = B100K (x16)   .... mouser- part number 531-pt6kv-100k
Momentary switches (x3)

Pluck length Attack resistor X = 47K to 470K
Might use a rotary switch (1P6T)
47K,100K, 150K, 200K, 300K,  470K  ???
or a A500K pot


Hairy Capacitor * = 0.001uF to 10uF ??
0.001uF code 102 ....high treble?
0.01uF code 103 ....treble
0.1uf code 1004 ... bass
1uf ...sub-bass
10uF ... sub-sub bass
The hairy capacitor is for tuning.... might use a rotary switch to pick the capacitor value.
 1P6T rotary switch ???
Add an  additional variable tuning capacitor in parallel.?



 Final Capacitance = C1+C2+C3....+C10 etc etc



Waiting for parts.......To be continued....

Links
+ CMOS


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Thursday, 27 December 2018

Plumbutter 2 - repairing faulty jacks

Hi, this is a quick reference to a post made back in 2016 by my mate Paul (Cobramatic/Allinaire).
https://www.muffwiggler.com/forum/viewtopic.php?t=169993 

I first experienced Paul's Plumbutter back in 2016. Here is the link:
https://djjondent.blogspot.com/2016/06/new-sound-waves-synth-meet-sunday-26.html
It was a New Sound Waves meeting in Redfern Sydney 

Here is a video from that meeting:


The mixer is a zone DB4.
Excellent effects !!!!
As you can see, this is one of the rare dual Plumbutter 2's
I love the Ciat Lonbarde concept... beautiful is somewhat mysterious. But this is part of its beauty.


Back to the repair.
two jacks ... actually many of the jacks wern't working.
Much of the initial prob was that the mysterious nature makes it difficult to know if the prob is technicial or a user error.

this is part of the muffs article:

"Hi All, I’m relatively new to the Plumbutter world but I wanted to share my initial experience with others because the simple repair work I did this weekend has just brought a whole new life to my PB2.

Basically, like everybody else, it takes some time to figure out what is happening when you are patching. I mean the instrument is well known for its unpredictability compared to so called ’traditional’ synths – this is clearly part of its charm and appeal. I totally get that. That’s why you get one!

Tricky thing is – when an instrument is known for its quirkiness then how do you know something is actually working as it is intended to?? I mean, other than reading all the posts and watching some of those amazing videos by many of the Wigglers here, I had no clue to start with. Then as I started to understand I wondered why some things didn’t do what I might have hoped they would...

For example – you would expect those purple FM inputs to give you some type of FM modulation when a jack is plugged in – but because the knob already changes the sound on its own, and differently depending on the direction of turn, I couldn’t be sure I was getting a result. Basically I wasn’t getting a result!"


Rollz – I knew I should be able to mix things up with the browns to effect the rhythms if I connected them together – but for me several of them did nothing when connected. Blue Verso and Inverso jacks – ditto there, some of them seemed to do nothing no matter how hard I tried with them

For a while I thought it was me, then I noticed that some jacks responded if I wiggled them juuuust right, or pushed the nana in part way only. So finally I decided to take things apart and have a look. 


 It is very easy on the PB2 to unscrew all the front screws and then just pop out the front section and PCB from the base to reveal the board in all its glory. If you look at the picture here you can see that the soldering looks fine on the Jack I'm pointing to - Nope, actually there is no electrical connection. The reality is I had at least 8 (yes EIGHT !!) jacks that were not connecting properly thru to the PCB ring around each hole. Presumably a cold or cracked joint? 






 I pulled out the multimeter and soldering iron and tested every one and resoldered the faulty jacks – it was easy as pie to do. Put it all back together and it works like a dream come true – suddenly things work like I wanted them too. 


Motto of the story – if you are having any of the problems I described, or if any of your in's or out's don't seem to respond - then don’t be afraid to pop it open and fix it yourself. I can’t believe how much more fun I’m having now.





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I dont personally own a ciat lonbarde but am considering getting one soon.
The Tetrax looks like a good entry point;




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Links
Ciat-Lonbarde
Plumbutter Manual
Plumbutter - C-L
Muffs
mUFFS 2
Ciat Lonbarde - Paper Circuits
Plumbutter test procedure - from the great man himself (Peter B)
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Saturday, 2 December 2017

DIY index

This is the index for all DIY projects.

General Electronics
+ LCD display i2c - part 1  
+ LFOs - making simple LFOs using a CD 40106 IC
+ Microcontroller... What you need to program a MCU 
+ Microcontrollers... Programmers
+ Sequencer CD 4017 
 + Simple oscillators & LFOs using a CD 40106 IC
+ OTAs - operational transconductance amplifiers
+ Panel, making using gerber files
+ Switches - Momentary push buttons & Pull down resistors   
+ TKB - Serge Build notes (Human Comparator)

----------------------------------------------------------------------------

+ 3 Trins Video synth
+ The Ship of Thesus
+ Adding anchor links in Google blog

ARP 2600 - TTSH

Balanced vs Unbalanced Audio

Buchla
 
Cat Full Of Ghosts
 


Ciat Lonbarde
 + Gerassic Organ

CMOS
+ Sequencer CD 4017 
+ Simple oscillators & LFOs using a CD 40106 IC

Eurorack

 + Adding +5V  to your Bus.
 + Distribution  - power bus

Elmyra Synth 
   + Build notes


Fates 
+ Fates - a DIY Norms for Rasberry Pi

 Influential ICs

Jasper - Wasp
+ Build notes for the jasper - Part 1
+ Jasper build notes - Part 2
+ Midi interface

Lorre Mill
  + U Tone

LZX - Cadet
 + Cadet I - Video Sync Generator - Build notes
 + Cadet II - RGB Encoder - Build notes
 + Cadet III - Video input - build notes
 + Cadet IV - Dual Ramp generator - build notes
 + Cadet V - Scaler - build notes
 + Cadet VI - Fader - Build notes
 + Cadet VII - Processor -Build notes
 + Cadet VIII - Hard Key Generator - build notes
 + Cadet IX - VCO - build notes
 + Cadet X - Multiplier - Build notes

LZX - Castle
Introduction
00_000 ADC - Analog to digital converter
01_001 DAC - Digital to Analog converter
02_010 Clock VCO
03_011 Shift Register
04_100 Multi Gate
05_101 Quad Gate
06_110 Counter
07_111 Flip flops


Microcontrollers
+ Microcontroller Index Page

NLC
+  Full list of (NLC) NonlinearCircuits projects

PSU  juice for your synths
 + NLC large board - build notes
 + NLC small board - build notes  
 + BOSS ACA vs PSA Psu (Power supplies)


+ Resistor Arrays
+ Serge - CGS - Buchla

+ Shopping for components
+ Soma - Lyra 8 build
+ Synth Lab (SDIY)
+ Synthacon - Steiner-parker

Python
+ Python for beginners 1
+ Python for Beginners 2

Soma Lab
 + Lyra 8 build - part 1 
 + Lyra 8 Part 2
 + Lyra 8 Part 3 is here
 + Making the Lyra Panel face plate
 

Thermin
+ Thermin - Silicon Chip general info

Vidiffektor - build notes

Wirehead Freaq FM

Wasp - Jasper
+ Build notes for the jasper - Part 1
+ Jasper build notes - Part 2

-----------------
+List of integrated circuit dimensions
+Surface Mount Nomenclature & Packaging.
+SOT (Small Outline Transistor dimensions)
+Voltage divider, LED resistor calculator 
+SMD / SMT resistor code
+Desoldering tips - Belltone 

 

 "The man that hath no music in himself,
Nor is not mov'd with concord of sweet sounds,
Is fit for treasons, stratagems, and spoils."
- The Merchant of Venice (V, i, 83-85)

 

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Sunday, 24 September 2017

Sat Arvo Jam

Hanging out with my friend Paul. Aka Cobramatic.
Lots of cool toys. Especially loved the Serge.

A post shared by jono (@dj_jondent) on
Some nice patches here:

A post shared by jono (@dj_jondent) on
This second one is very Krell like.
That TKB sequencer/keyboard is wonderful.


A post shared by jono (@dj_jondent) on
I also loved the Ciat Lombard Tetrax
It's now on my shopping list.
http://www.ciat-lonbarde.net/tetrax/index.html


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