Path: ...!feed.opticnetworks.net!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Bill Sloman Newsgroups: sci.electronics.design Subject: Re: Fast monostable with a transistor array Date: Wed, 19 Jun 2024 20:17:41 +1000 Organization: A noiseless patient Spider Lines: 59 Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Wed, 19 Jun 2024 12:18:05 +0200 (CEST) Injection-Info: dont-email.me; posting-host="7757de73c5d56d62284cf0517eafda36"; logging-data="2026577"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+Ed+jrpRovI+2EZms7R7iC+uH2jZtxbGk=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:YO0gS/4qRADh6zHTsrm2vi/JdYw= X-Antivirus: Norton (VPS 240619-0, 19/6/2024), Outbound message In-Reply-To: Content-Language: en-US X-Antivirus-Status: Clean Bytes: 3588 On 19/06/2024 1:28 am, john larkin wrote: > On Tue, 18 Jun 2024 13:48:58 -0000 (UTC), piglet > wrote: > >> john larkin wrote: >>> On Tue, 18 Jun 2024 18:44:37 +1000, Bill Sloman >>> wrote: >>> >>>> On 14/06/2024 1:20 am, Bill Sloman wrote: >>>>> One option John Larjkin doesn't seem to have explored is using Renesas >>>>> HFA3096 five transistor array as basis for his mononstable and level >>>>> shifter. >>>>> >>>>> It offers three 8GHz NPN parts and two 5.5GHz PNP parts in a single array. >>>>> >>>>> https://www.renesas.com/us/en/document/dst/hfa3046-hfa3096-hfa3127-hfa3128-datasheet?r=494216 >>>>> >>>>> Two of the NPN parts could make up my emitter-coupled monostable, and >>>>> the two PNP parts could level shift the output. >>>>> >>>>> The Renesas website offers Spice models for both the NPN and the PNP >>>>> transistors, which one could plug into an LTSpice simulation, at the >>>>> cost of making it look too messy for the more sensitive designers to be >>>>> able to look at. >>>> >>>> I've spent that last four days in hospital with Covid-19 of the colon - >>>> dramatic when it started but tedious thereafter. >>>> >>>> This thread hasn't gone all that well. John Larkin has ignored the fact >>>> that I was talking about just the 3096. There have been some sensible >>>> comments, but I'm still too sick to try and provide any kind of summing >>>> up of the sensible bits. >>>> >>>> -- >>>> Bill Sloman, Sydney >>> >>> OK, we can defer discussing your one-shot circuit until you feel >>> better. I've had some medical adventures of my own. >> >> My sympathies to both of you, coincidentally I am just getting back on my >> feet after an eight day common cold from hell (was not Covid) > > I'm now wearing a 24-hour recording EKG thing. It's really no trouble > at all. Pretty cool technology. And they have been around for at least thirty years. My mother got stuck with being a guineau pig for one some thirty years ago. > It's a pity that there is no low-drama equivalent for blood pressure You do have to compress the upper arm. -- Bill Sloman, Sydney -- This email has been checked for viruses by Norton antivirus software. www.norton.com