Path: ...!eternal-september.org!feeder2.eternal-september.org!usenet.blueworldhosting.com!diablo1.usenet.blueworldhosting.com!nnrp.usenet.blueworldhosting.com!.POSTED!not-for-mail From: "Edward Rawde" Newsgroups: sci.electronics.design Subject: Re: 80dB now but still needs improvement at 1KHz Date: Thu, 7 Nov 2024 02:23:23 -0500 Organization: BWH Usenet Archive (https://usenet.blueworldhosting.com) Lines: 32 Message-ID: References: Injection-Date: Thu, 7 Nov 2024 07:23:27 -0000 (UTC) Injection-Info: nnrp.usenet.blueworldhosting.com; logging-data="18424"; mail-complaints-to="usenet@blueworldhosting.com" Cancel-Lock: sha1:iJjtjWI2TDClSbzlemtEGF6BEKo= sha256:qZcXMhUO/UbohqCzmRp1LuWRJW9S5q35wAV1SKpck6o= sha1:Bh3cn7E1H5pftOokedc6GbT14V0= sha256:nQt2HOG+4klOz5XI10ifKXdhWaC9kj6yVtdrCvQ+tEI= X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.6157 X-Newsreader: Microsoft Outlook Express 6.00.2900.5931 X-MSMail-Priority: Normal X-RFC2646: Format=Flowed; Original X-Priority: 3 Bytes: 2923 "Jan Panteltje" wrote in message news:vghks5$9ces$1@solani.org... > On a sunny day (Wed, 6 Nov 2024 12:21:39 -0500) it happened "Edward Rawde" > wrote in > : > >>"Jan Panteltje" wrote in message news:vgf4jc$7vn5$1@solani.org... >>> On a sunny day (Tue, 5 Nov 2024 11:00:42 -0500) it happened "Edward Rawde" >>> wrote in >>> : >>> >>>>"Jan Panteltje" wrote in message news:vgccvm$6jk3$1@solani.org... >>>>> On a sunny day (Mon, 4 Nov 2024 11:31:01 -0500) it happened "Edward Rawde" >>>>> wrote in >>>>> : >>>>> >>>>>>"Jan Panteltje" wrote in message news:vg9pnu$ekhh$1@solani.org... >>>>>>> On a sunny day (Sun, 3 Nov 2024 23:06:04 -0500) it happened "Edward Rawde" >>>>>>> wrote in >>>>>>> : >>>>>>> >>>>>>>>Simulation isn't fast but if you let it complete and do an FFT on the last 30 seconds, it's 80dB down at all unwanted >>>>>>>>harmonics. >>>>>>>>There do however seem to be unwanted sidebands close in either side of 1KHz >>>>>>>>Any suggestions for improvement? >>>>>>> >>>>>>> Publish a circuit diagram. >>>>>>> Not that hard to make ! > Did someone ruffle your feathers?