Received: from PCH.mit.edu (18.7.21.50) by mail.efplus.com (192.168.0.8) with Microsoft SMTP Server (TLS) id 8.3.485.1; Tue, 8 Dec 2020 12:37:35 -0800 Received: from PCH.MIT.EDU (localhost.localdomain [127.0.0.1]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 0B8KTDOc010589; Tue, 8 Dec 2020 15:29:29 -0500 Received: from outgoing-exchange-5.mit.edu (OUTGOING-EXCHANGE-5.MIT.EDU [18.9.28.59]) by PCH.mit.edu (8.14.7/8.12.8) with ESMTP id 0B8KTCC0010585 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Tue, 8 Dec 2020 15:29:13 -0500 Received: from w92exedge4.exchange.mit.edu (W92EXEDGE4.EXCHANGE.MIT.EDU [18.7.73.16]) by outgoing-exchange-5.mit.edu (8.14.7/8.12.4) with ESMTP id 0B8KSerp015541 for ; Tue, 8 Dec 2020 15:29:12 -0500 Received: from oc11expo20.exchange.mit.edu (18.9.4.51) by w92exedge4.exchange.mit.edu (18.7.73.16) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Tue, 8 Dec 2020 15:27:52 -0500 Received: from oc11exhyb8.exchange.mit.edu (18.9.1.113) by oc11expo20.exchange.mit.edu (18.9.4.51) with Microsoft SMTP Server (TLS) id 15.0.1365.1; Tue, 8 Dec 2020 15:28:46 -0500 Received: from NAM10-MW2-obe.outbound.protection.outlook.com (104.47.55.109) by oc11exhyb8.exchange.mit.edu (18.9.1.113) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Tue, 8 Dec 2020 15:28:46 -0500 Received: from MW4PR03CA0324.namprd03.prod.outlook.com (2603:10b6:303:dd::29) by BN6PR01MB2289.prod.exchangelabs.com (2603:10b6:404:3e::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3632.17; Tue, 8 Dec 2020 20:28:44 +0000 Received: from CO1NAM11FT065.eop-nam11.prod.protection.outlook.com (2603:10b6:303:dd:cafe::35) by MW4PR03CA0324.outlook.office365.com (2603:10b6:303:dd::29) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3632.18 via Frontend Transport; Tue, 8 Dec 2020 20:28:44 +0000 Received: from mail-yb1-f182.google.com (209.85.219.182) by CO1NAM11FT065.mail.protection.outlook.com (10.13.174.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3632.17 via Frontend Transport; Tue, 8 Dec 2020 20:28:43 +0000 Received: by mail-yb1-f182.google.com with SMTP id w135so11676697ybg.13 for ; Tue, 08 Dec 2020 12:28:43 -0800 (PST) From: Manu Abraham To: Microcontroller discussion list - Public. Sender: "piclist-bounces@mit.edu" Date: Tue, 8 Dec 2020 12:28:29 -0800 Subject: Re: [EE] Eliminating external noise through PS Thread-Topic: [EE] Eliminating external noise through PS Thread-Index: AdbNofY5wAxVSd0dSgqwy0LafiFffg== Message-ID: References: <5FCFC00E.8040703@narwani.org> <5FCFD705.2090703@narwani.org> List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: <5FCFD705.2090703@narwani.org> Reply-To: Microcontroller discussion list - Public. Accept-Language: en-US X-MS-Exchange-Organization-AuthAs: Anonymous X-MS-Exchange-Organization-AuthSource: TS500.efplus4.local X-MS-Has-Attach: X-Auto-Response-Suppress: All X-MS-Exchange-Organization-SenderIdResult: Pass X-MS-Exchange-Organization-PRD: mit.edu X-MS-TNEF-Correlator: received-spf: Pass (protection.outlook.com: domain of gmail.com designates 209.85.219.182 as permitted sender) receiver=protection.outlook.com; client-ip=209.85.219.182; helo=mail-yb1-f182.google.com; dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=a1TEApP6XQlq2wdr18V/vvnyktvqJnVEhpnNZs+4Yww=; b=Q9kzpgswCLFWKccOzg7SUeLbDecS4p90p0dPZVkdANCswBVRmuzQM79QePIkesY8Km Yq/hrDKHa31iP2Lj4B4nC0vwxjZBokJn8VUfSKIaSB4L2V+x9Yim1/b7w6o+WQSyHdaA IAVDqYpd0C8nPn9tMNa96NypF3wpnwXij8mPQw15vS4Mdik8LhJxrb3o3UtBfr7SVboA +a1XZMTufVADoo7N3KH4l4/fJvIr6+uOf7wE1b0ae37lPf+oKhlaz+thYfm7AYg3oJYQ SojmDJI7kWZNzTZ5pXNPkPgS1GYaob/WUbfQJpWttjZuk6tmpSy8F0krzxNFqbdX/VgB 4dRQ== authentication-results: spf=pass (sender IP is 209.85.219.182) smtp.mailfrom=gmail.com; mit.edu; dkim=pass (signature was verified) header.d=gmail.com; mit.edu; dmarc=pass action=none header.from=gmail.com; errors-to: piclist-bounces@mit.edu list-id: "Microcontroller discussion list - Public." list-post: x-beenthere: piclist@mit.edu x-mailman-version: 2.1.6 x-received: by 2002:a25:8708:: with SMTP id a8mr10905913ybl.92.1607459322958; Tue, 08 Dec 2020 12:28:42 -0800 (PST) x-topics: [EE] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 On Wed, Dec 9, 2020 at 1:13 AM Neil wrote: > > Looking at how common mode chokes work. Was not aware of these. > This one's a good document on the topic. https://www.murata.com/~/media/webrenewal/products/emc/emifil/knowhow/26to3= 0.ashx Best Regards, Manu --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .