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 Forum index » DIY Hardware and Software » Lunettas - circuits inspired by Stanley Lunetta
Help build a Lunetta
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Silas



Joined: Apr 27, 2008
Posts: 23
Location: Denmark

PostPosted: Tue Oct 21, 2008 10:54 am    Post subject:  Help build a Lunetta Reply with quote  Mark this post and the followings unread

Hello good people! Please help me build a Lunetta system! These are the IC's that I am currently in posession of.. Do you have any ideas pls. share them.. I don't know much about making sound with logic..

4 * LM386N
4 * NE555N
4 * LM324N - Quad Op Amp
3 * LM348N - Quad 741 Op Amp
LM358N - Low Power Dual Op Amp
LM393N - LOW POWER DUAL BIPOLAR COMPARATORS
HCF4001BE - QUAD 2 INPUT NOR GATE
CD4010BE – Hex Buffers ?
HEF4011BP - Quadruple 2-input NAND gate
TC4017BP - DECADE COUNTER
HCF4027BE - DUAL-J-K MASTER-SLAVE FLIP-FLOP
2 * TC4040BP - 12 STAGE RIPPLE-CARRY BINARY COUNTER/DIVIDERS
2 * CD4051BCN - Single 8-Channel Analog Multiplexer/Demultiplexer
HCF4053BE - TRIPLE 2 CHANNLE ANALOG MULTIPLEXERS DEMULTIPLEXERS
CD4066BE - CMOS Quad Bilateral Switch
HCF4066BE
2 * TC4066BP
2 * HEF4093BP - Quadruple 2-input NAND Schmitt trigger
HCF4093BE
2 * CD40106BE - CMOS Hex Schmitt Triggers
3 * TC7400P - Quad 2 Input Positive NAND Gate
TC74HC02P - QUAD 2-INPUT NOR GATE
TC74HC08P - QUAD 2-INPUT AND GATE
TC74HC11P - TRIPLE 3-INPUT AND GATE ?
TC74HC20P - DUAL 4 - INPUT NAND GATE
TC74HC174P - HEX D TYPE FLIP FLOP WITH CLEAR
TC74HC193P - SYNCHRONOUS UP/DOWN BINARY COUNTER
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fluxmonkey



Joined: Jun 24, 2005
Posts: 708
Location: cleve

PostPosted: Tue Oct 21, 2008 11:35 am    Post subject: Reply with quote  Mark this post and the followings unread

if you're absolutely starting from 0, try this:

http://www.fluxmonkey.com/electronoize/40106Oscillator.htm

for a very simple intro to using the 40104 as an lunetta-style oscillator.


b

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Silas



Joined: Apr 27, 2008
Posts: 23
Location: Denmark

PostPosted: Tue Oct 21, 2008 12:06 pm    Post subject: Reply with quote  Mark this post and the followings unread

Well, I'm not starting completely from scratch.. I've build oscillators from 4093 and 40106 before.. But very simple stuff..
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RF



Joined: Mar 23, 2007
Posts: 1501
Location: Northern Minnesota, USA
Audio files: 28

PostPosted: Tue Oct 21, 2008 1:58 pm    Post subject: Re: Help build a Lunetta Reply with quote  Mark this post and the followings unread

Hi Silas,
I guess most of us are just learning about making sound with logic. I don't know much about it, except for what I've read here, built or thought about. Mostly, just do it.

There are several good circuits listed in this Forum - take a look at some of the other topics and just start building.

The 40106 is at the heart of my Lunetta. I use it for oscillators, LFO's and clocks. Bugs schematic listed in this forum works well.

I use the 555 as a voltage controlled oscillator with very good results.

I use the 386 in my Lunetta's outboard audio amplifier. (Google search for the "Ruby" amp.)

The OpAmps can be used for mixers or an R/2R Ladder

The 4011 makes a Ring Modulator.

The 4017 can make a sub-oscillator...

I've got all these in my Lunetta - You've got all kinds of raw material there!

I would suggest you start breadboarding your logic and take the in's and out's to the front panel. Power them up and start plugging things together. It makes a lot more sense once you start.

bruce

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Silas



Joined: Apr 27, 2008
Posts: 23
Location: Denmark

PostPosted: Tue Oct 21, 2008 4:28 pm    Post subject: Reply with quote  Mark this post and the followings unread

So I'm thinking;

Using 2 * 4017 to make a 20 step CV sequencer.
4011 for Ring mod.
40106 for oscillators.
4018 for signal generator.

hmmmm.....
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RF



Joined: Mar 23, 2007
Posts: 1501
Location: Northern Minnesota, USA
Audio files: 28

PostPosted: Wed Oct 22, 2008 8:12 am    Post subject: Reply with quote  Mark this post and the followings unread

Hey Silas,

In the little experience I have with my Lunetta, I don't think a 4017 sequencer would be high on my list of things to add.

I think it would be boring compared to what I can get currently.
Using variations of logic you can get a very complex repeating pattern of sounds going.

Maybe use the 4017 as a clock divider or sub-oscillator...
that and the CD4051, 4040, 4053...some clocks, R/2R ladder and a couple 40106 or 555 oscillators .... oooh!

Now we're talkin 'Lunetta' instead of a low budget one pony sequenced noise making oscillator.
(did I say that out loud?) Shocked

Just my two cents. I'm sure the sequencer would be fun, too.

bruce

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fluxmonkey



Joined: Jun 24, 2005
Posts: 708
Location: cleve

PostPosted: Wed Oct 22, 2008 10:55 am    Post subject: Reply with quote  Mark this post and the followings unread

RF wrote:
Now we're talkin 'Lunetta' instead of a low budget one pony sequenced noise making oscillator.
(did I say that out loud?)


i'd agree... altho many of the circuits we've been tossing around "approximate" more traditional modules like oscillators (and nothing wrong with using them as such), they're pretty limited if you approach them in only that way, and can (have) led to frustration due to unrealistic expectations.

if you want an expo-control sine oscillator, build one of terry michaels'. better to let a lunetta be a lunetta.

b

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aerogramma



Joined: Feb 27, 2008
Posts: 153
Location: Roma, Italy - London, UK
Audio files: 13

PostPosted: Tue Oct 28, 2008 11:55 pm    Post subject: Reply with quote  Mark this post and the followings unread

bbob wrote:

if you want an expo-control sine oscillator, build one of terry michaels'. better to let a lunetta be a lunetta.

b


hello bbob, where would it be possible to find such oscillators by terry michaels?

btw thanks for the CMOS 'lessons' on fluxmonkey even if I have collin's book i found them really helpful

Wink

aero
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fluxmonkey



Joined: Jun 24, 2005
Posts: 708
Location: cleve

PostPosted: Wed Oct 29, 2008 8:17 am    Post subject: Reply with quote  Mark this post and the followings unread

Quote:
hello bbob, where would it be possible to find such oscillators by terry michaels?


http://home.att.net/~synthsource/ens76/vco1.htm

many many folks, commercial & diy, have based their VCO designs on this...

b

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