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tool to use to draw an electronic circuit

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Sebastia RodaMon
Guest

Mon Oct 22, 2018 10:45 am   



Hi - if I want to show you an electronic circuit I have a question about,
what tool do you recomend me to use ?
Thanks.


Guest

Mon Oct 22, 2018 12:45 pm   



LTSpice is kinda standard. A nice thing about that is you can convert their file to a text file and post it in here, as long as regular test works. Needs nothing, no unicode or any of that shit, just simple text.

The only problem is there is a lack of a few devices and it isn't quite a piece of cake to make one. for example a potentiometer.

You CAN make the parts, but then for them to work there has to be a repository or something for them because it has to also be on the recipient's computer. Like a font in a webpage, your browser has to download it.

But it works well, and you can get away without pots and change it later, it will simulate and all that and you can tell if the smoke is liable to come out or if it is going to oscillate or whatever.


Guest

Mon Oct 22, 2018 4:45 pm   



On Monday, October 22, 2018 at 4:58:43 AM UTC-4, Sebastia RodaMon wrote:
Quote:
Hi - if I want to show you an electronic circuit I have a question about,
what tool do you recomend me to use ?
Thanks.


ORCAD is one "industry standard". There is a free version on their web site. Easy to learn. Hard to post here.

Phil Hobbs
Guest

Mon Oct 22, 2018 9:45 pm   



On 10/22/18 6:49 AM, jurb6006_at_gmail.com wrote:
Quote:
LTSpice is kinda standard. A nice thing about that is you can convert their file to a text file and post it in here, as long as regular test works. Needs nothing, no unicode or any of that shit, just simple text.

The only problem is there is a lack of a few devices and it isn't quite a piece of cake to make one. for example a potentiometer.

You CAN make the parts, but then for them to work there has to be a repository or something for them because it has to also be on the recipient's computer. Like a font in a webpage, your browser has to download it.

But it works well, and you can get away without pots and change it later, it will simulate and all that and you can tell if the smoke is liable to come out or if it is going to oscillate or whatever.


Pots are super easy to make in SPICE. You make two resistors in
series, with values {R*x} and {R*(1-x)}, then set or step x.

Cheers

Phil Hobbs

--
Dr Philip C D Hobbs
Principal Consultant
ElectroOptical Innovations LLC / Hobbs ElectroOptics
Optics, Electro-optics, Photonics, Analog Electronics
Briarcliff Manor NY 10510

http://electrooptical.net
http://hobbs-eo.com

Phil Hobbs
Guest

Mon Oct 22, 2018 9:45 pm   



On 10/22/18 4:58 AM, Sebastia RodaMon wrote:
Quote:
Hi - if I want to show you an electronic circuit I have a question about,
what tool do you recomend me to use ?
Thanks.

There's also always ASCII art.


Cheers

Phil Hobbs


--
Dr Philip C D Hobbs
Principal Consultant
ElectroOptical Innovations LLC / Hobbs ElectroOptics
Optics, Electro-optics, Photonics, Analog Electronics
Briarcliff Manor NY 10510

http://electrooptical.net
http://hobbs-eo.com

Sebastia RodaMon
Guest

Tue Oct 23, 2018 9:45 am   



Thank you you all 4 of you, gentlemen - I shall Google a bit about

*) LTSpice
*) ORCAD
*) SPICE
*) ASCII art (?)

Sebastian.

Phil Allison
Guest

Tue Oct 23, 2018 9:45 am   



Sebastia RodaMon wrote:

Quote:

Hi - if I want to show you an electronic circuit I have a question about,
what tool do you recomend me to use ?



** Draw it out neatly on 5mm square ruled paper, take a pic and post a jpeg somewhere easily accessed.

Everyone can then see it with no effort.


..... Phil

ehsjr
Guest

Wed Oct 24, 2018 5:45 am   



On 10/23/2018 3:57 AM, Sebastia RodaMon wrote:
Quote:

Thank you you all 4 of you, gentlemen - I shall Google a bit about

*) LTSpice
*) ORCAD
*) SPICE
*) ASCII art (?)

Sebastian.


ASCII art example below: view in courier font


+-----[+LED]------+
| |
+----o o [R1]
| \ S1 |
| o |
----- | /c
| + | +--[R2]--| NPN
| 9V | \e
|Batt | |
| - | |
----- |
| |
+-----------------+

You can also draw a diode like this -->|-- or this _|\_
|/

or a resistor like this /\/\/\/\ or a cap like this --)|--
etc. With ascii art you need to use a fixed font like courier;
proportional fonts will mess up the drawing.

Ed

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