-----Original Message-----
From: Dave VanHorn [mailto:[EMAIL PROTECTED]
Sent: Friday, April 01, 2005 10:05 PM
To: [email protected]; [email protected]
Subject: Re: [Repeater-Builder] Delay line chip (DAD4096) for Kendecom Mark
4
>Short of that, perhaps
>somebody has a relatively simple (and CHEAP) solution to the problem...
>either a way to delay the audio just a fraction or to decrease the attack
>time of the muting circuit so it cuts that short DTMF burst off.
Hmm..
That's within the range of something that could be done say in an
Atmel AVR like a Mega-256.
Not a lot of code, but basically set up a huge buffer, sample using
the on-board A/D, and output the samples, when they arrive, as PWM.
Could be a one-chip wonder.
The bad news is that it's a TQFP package.
Still, 8 mips at 5V, with no external components...
I'd be willing to give it a shot.
Does the 4096 have much going on other than a clock input, and audio
in and out?
__________________________________________________
Nope... that's about it.
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