[sdiy] Understanding Analog Computer Schematics?

[Aaron Lanterman]

Hmmm... Actually shouldn't the response be a quadratic and not a  
sinusoid?


Sent from my iPhone

On Feb 24, 2009, at 12:53 AM, Dave Manley <dlmanley at sonic.net> wrote:

> Gee Harry, that kind of takes the fun out of it.
>
> Now what are we going to do with our integrators surrounded with  
> analog switches and comparators for setting initial conditions and  
> detecting limits?  Damn it man, this isn't a filter, it's an analog  
> computer!  We're talking differential equations and time domain here!
>
> ;-)
>
> -Dave
>
>
>
> harrybissell at wowway.com wrote:
>> A resonant filter triggered with a pulse, followed by an absolute
>> value circuit. Vary the Gain, the Resonance, and the Frequency ???
>>
>> H^) harry
>>
>>
>>
>> On Mon, 23 Feb 2009 12:00:00 -0800, Tom Arnold wrote
>>
>>> On Mon, Feb 23, 2009 at 11:04:17AM -0500, HL-SDK Synths wrote:
>>>
>>>>   On similar notes - there is a blog post + video of a man who
>>>>   constructed a simple op-amp computer which simulates a bouncing  
>>>> ball.
>>>>   No schematics though.
>>>>
>>> as I mentioned a few weeks back, watching that video was what kinda
>>> triggered me on this.
>>>
>>> I've found enough data to build that simulator now, of course  
>>> it'll be with tubes if I follow all the schematics I have...
>>>
>>> -- 
>>> --------------------------------------------------------------------
>>> - Tom Arnold           -  "...is it a virus, a drug, or a  
>>> religion?"   - Sysabend Caretaker   -    Juanita Shrugs. "What's  
>>> the difference?"
>>> ------------------------       -- Neal Stephenson,  Snow Crash
>>>
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>>>
>>
>>
>> Harry Bissell & Nora Abdullah 4eva
>>
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>>
>>
>
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