Re: has anybody tried to replace a vic or vic II chip with a board containing a propeller ?

From: Nate Lawson <*nate_at_root.org*> Date: Mon, 27 Feb 2012 13:55:13 -0800 Message-Id: <A7016CA2-6D14-48C4-A77B-9501AB5324D9@root.org> · nate_at_root.org

On Feb 27, 2012, at 1:27 PM, Ingo Korb wrote:

> Nate Lawson <nate@root.org> writes:
> 
>> For example, you'd probably need a few tuned op-amps to do the
>> integration of the SID filter.
> 
> Why would you use external analog parts for that instead of filtering
> the signal in the digital domain?

Cost and size. How many gates would it take to approximate the SID filter via DSP versus a few op-amps?

-Nate

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