Path: local-4.nntp.ord.giganews.com!Xl.tags.giganews.com!local-1.nntp.ord.giganews.com!nntp.supernews.com!news.supernews.com.POSTED!not-for-mail NNTP-Posting-Date: Thu, 16 May 2024 01:17:28 +0000 From: John Larkin Newsgroups: sci.electronics.design Subject: Re: fast discrete PHEMT one-shot Date: Wed, 15 May 2024 18:15:34 -0700 Organization: Highland Tech Reply-To: xx@yy.com Message-ID: <48na4j10neo6bru36kllgm3447dclcrfgg@4ax.com> References: X-Newsreader: Forte Agent 3.1/32.783 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 31 X-Trace: sv3-358YdUBY8rcRDBu6wvK4vVUR4qOz86cJ+H9bIFwvhZSlI9Ji59MQSdS49Vv+F3Af1P40dMlEKm+4fLb!hnnpVZS6AH8xr+ci+/3EbIeTvDdsp0jBb7zhoo0FyxKJv3ZqNyhFjUK2B3ujOFGX97TXayCS1CBw!URSrjA== X-Complaints-To: www.supernews.com/docs/abuse.html X-DMCA-Complaints-To: www.supernews.com/docs/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Bytes: 2158 On Wed, 15 May 2024 22:46:27 -0000 (UTC), piglet wrote: >John Larkin wrote: >> >> https://www.dropbox.com/scl/fi/agatzclr8pvr5470g6mc4/Phemt_One_Shot_1.jpg?rlkey=cwnx0qd7ajgnh8otf627x5lku&raw=1 >> >> Regular monostables are terribly slow. This one has low prop delay and >> high rep-rate, if the sim is to be believed. >> >> SAV541 is mostly specified as an RF part, but it's a dynamite switch. >> >> I can post a link to the files if anybody wants to play with this. All >> my values are first guesses, no math involved, and it works! >> >> My SAV541 Spice model is a revision of Phil Hobbs' original. >> Mini-Circuits is adamant that they will never provide Spice models, a >> typical RF-bigot attitude. >> >> > >Yay! Eccles-Jordan ride again. 1918! I think that was a bistable. I don't know when the monostable was invented. People tend to roll eyes when I use one-shots in logic designs. I can't see why.