Path: ...!feed.opticnetworks.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Cursitor Doom Newsgroups: sci.electronics.design Subject: Re: another fast one-shot Date: Wed, 12 Jun 2024 17:22:49 -0000 (UTC) Organization: A noiseless patient Spider Lines: 15 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Wed, 12 Jun 2024 19:22:50 +0200 (CEST) Injection-Info: dont-email.me; posting-host="c307d9089bc1a363c07db9c326a63dfc"; logging-data="1855333"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19LWEhY9Z3Is32eBAHnBHVH6UFF/vmh+8U=" User-Agent: Pan/0.149 (Bellevue; 4c157ba) Cancel-Lock: sha1:D5btCkOFtArrio1RVwgM51kYGVg= Bytes: 1569 On Wed, 12 Jun 2024 09:33:17 -0700, john larkin wrote: > Here's another idea for a fast one-shot. This is the just-apply-money > version and should get close to 1 ns pulse width and should easily > trigger at 150 MHz. > > https://www.dropbox.com/scl/fi/1okfo8964bw5m53mjmxs6/ Pecl_One_Shot_1.jpg?rlkey=dwus6qjyqsynl2rv6uje2xxtj&raw=1 > > I can use the other half of the dual comparator elsewhere. This one has > programmable hysteresis too. Exposing my contemptworthy ignorance here no doubt, but what exactly is it that is fast about this design, John? And what would its application be?