[GreenKeys] Distortion Testing of my AN/FGC-25

[Nick England]

Jeff nailed it -
You need a 74123 retriggerable one-shot stuck in there somewhere....or
software equivalent.
Cheers,
Nick K4NYW
www.navy-radio.com

On Sat, Jul 4, 2015 at 11:48 AM, Jeffrey D Angus <jdangus at att.net> wrote:

> On 7/4/2015 12:08 AM, Don Sentz via GreenKeys wrote:
>
>> As evident in the report, both the keyboard and the tape reader
>> appear to be suffering from frequent "glitches" in the mark
>> signal that occur shortly after space-to-mark transitions.
>>
> That is, classic, contact bounce.
> While it has almost no effect with mechanical systems, due to their
> limited response time, yes, it can raise havoc with solid state switching.
>
>
>
>
> --
> Jeff-1.0
> wa6fwi
> http://www.foxsmercantile.com
>
>
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