Re: Mark space ratio in 1531 data signal

From: Nejat Dilek <imruon_at_gmail.com>
Date: Tue, 10 Dec 2019 23:41:43 +0300
Message-ID: <CAP5r8NSN9C7KsoYKBn63x9Rn+hk4uk+STofsKNkrpjvGvDTJHQ_at_mail.gmail.com>
It's already answered but let me rephrase the question supporting it
with images ;
You had a custom tape routine and you save data to the tape,

Why the signal in the first picture is the preferred one?

https://www.commodore.com.tr/filedata/fetch?id=663&d=1575506083

https://www.commodore.com.tr/filedata/fetch?id=664&d=1575506094

In both signals t1+t2 is equal, in the first one t1 = t2, in the
second one t1 is way smaller than t2.

Regards,

Nejat

On Tue, Dec 10, 2019 at 4:28 PM Jeffrey Birt <birt_j_at_soigeneris.com> wrote:
>
> I don't understand the question. There is only one signal from the cassette read head. It gets amplified and 'squared up' to make a digital signal out of it. That is it.
>
> For writing the tape head is driven to saturation or not. It is not very complicated.
>
> Jeff Birt
>
Received on 2020-05-29 23:51:40

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