Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: JM Newsgroups: sci.electronics.design Subject: Re: A collection of monographs on high accuracy electronics Date: Mon, 10 Jun 2024 00:40:14 +0100 Organization: A noiseless patient Spider Lines: 36 Message-ID: References: <33c76j1cr78uhuk3djabivck4gbpe4dq9i@4ax.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Injection-Date: Mon, 10 Jun 2024 01:40:19 +0200 (CEST) Injection-Info: dont-email.me; posting-host="1f38e6c74b32fc20c60a0245de5f8d1e"; logging-data="4090338"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19EbhRYmmR4879w9qF2qSG6" User-Agent: ForteAgent/8.00.32.1272 Cancel-Lock: sha1:tx16qrPdbNpszUIkl7KZoZfQ+gw= Bytes: 2291 On Sun, 9 Jun 2024 18:09:24 -0000 (UTC), Phil Hobbs wrote: >Jeroen Belleman wrote: >> On 6/9/24 19:02, ehsjr wrote: >>> On 6/7/2024 9:14 PM, JM wrote: >>>> A collection of monographs on high accuracy electronics written by Mr. >>>> Chris Daykin, following his career predominantly in metrology. >>>> >>>> Unfortunately Chris will be unable to complete the unfinished >>>> monographs (having started end of life care) but there is plenty of >>>> interest to any analogue engineer. >>>> >>>> https://1drv.ms/b/c/1af24d72a509cd48/EZhO_rP5-glDmxtc4ZHycvYBhrsqmyC5tuZjt2NFFsS0gQ?e=Wq2Yj0 >>> >>> >>> Thanks! >>> Ed >> >> I have an issue with his definition of resistor noise power >> as the product of open-circuit noise voltage and short-circuit >> current. That makes no sense. >> >> There's more than that, probably, but that just jumped out at >> me. >> >> Jeroen Belleman >> > >It’s four times too high, for a start. > >Cheers > >Phil Hobbs "It is shown elsewhere [1] that the noise power is four times the heat energy which would flow down the conductors from a warm source resistor to a matching cold resistor."