From: Terry Pinnell
Subject: Re: zero-power toggle circuit; was, how to master electronics
Date: Fri, 22 Nov 2002 14:10:46 +0000
References: <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <email@example.com>
NNTP-Posting-Date: Fri, 22 Nov 2002 14:11:02 +0000 (UTC)
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Tony Williams wrote:
>In article <firstname.lastname@example.org>,
> Tony Williams wrote:
>> PS; There is a comp I'd like to add. A small diode,
>> pointing upwards from the top of C1 to Vcc. This is
>> to help protect the gate of TG1 (from the energy in C1)
>> during a fast power down.
> Tony Typy+Typo-Williams strikes again.
> Buggerit... I'll make out they were a test to see
> who was awake.
Not a test I passed, I'm ashamed to say! There was just a moment's
hesitation ("Can't be much energy in 100pF...but, heck, what do I
know; Tony's clearly being ultra-cautious...", and then my little
1N4148 was tucked in neatly on pin 13
Anyway, you can safely blame me for missing the label on C2.
In mitigation, I *was* up at 04:00.
Hobbyist, West Sussex, UK
14:06 Fri 22 Nov
Did you hear about the agnostic, dyslexic insomniac? Stayed awake all
night, wondering if there really was a Dog.