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, 1 Dec 2020 02:56:12 -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 0B1AkFpC023809; Tue, 1 Dec 2020 05:46:56 -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 0B1AkE6R023806 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Tue, 1 Dec 2020 05:46:14 -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 0B1AkDhd005679 for ; Tue, 1 Dec 2020 05:46:13 -0500 Received: from oc11expo12.exchange.mit.edu (18.9.4.17) by w92exedge4.exchange.mit.edu (18.7.73.16) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Tue, 1 Dec 2020 05:45:33 -0500 Received: from oc11exhyb6.exchange.mit.edu (18.9.1.111) by oc11expo12.exchange.mit.edu (18.9.4.17) with Microsoft SMTP Server (TLS) id 15.0.1365.1; Tue, 1 Dec 2020 05:46:13 -0500 Received: from NAM11-BN8-obe.outbound.protection.outlook.com (104.47.58.175) by oc11exhyb6.exchange.mit.edu (18.9.1.111) with Microsoft SMTP Server (TLS) id 15.0.1395.4 via Frontend Transport; Tue, 1 Dec 2020 05:46:13 -0500 Received: from DM5PR1101CA0018.namprd11.prod.outlook.com (2603:10b6:4:4c::28) by CH2PR01MB6005.prod.exchangelabs.com (2603:10b6:610:48::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3611.31; Tue, 1 Dec 2020 10:46:12 +0000 Received: from DM6NAM11FT016.eop-nam11.prod.protection.outlook.com (2603:10b6:4:4c:cafe::64) by DM5PR1101CA0018.outlook.office365.com (2603:10b6:4:4c::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3611.20 via Frontend Transport; Tue, 1 Dec 2020 10:46:12 +0000 Received: from mail-yb1-f172.google.com (209.85.219.172) by DM6NAM11FT016.mail.protection.outlook.com (10.13.173.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3611.25 via Frontend Transport; Tue, 1 Dec 2020 10:46:12 +0000 Received: by mail-yb1-f172.google.com with SMTP id t33so1412611ybd.0 for ; Tue, 01 Dec 2020 02:46:12 -0800 (PST) From: Manu Abraham To: Microcontroller discussion list - Public. Sender: "piclist-bounces@mit.edu" Date: Tue, 1 Dec 2020 02:45:57 -0800 Subject: [EE] Piezo driver Thread-Topic: [EE] Piezo driver Thread-Index: AdbH0JXemmegBKVBQd2xWITeGuwUsg== Message-ID: List-Help: List-Subscribe: , List-Unsubscribe: , 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: TempError X-MS-Exchange-Organization-PRD: mit.edu X-MS-TNEF-Correlator: received-spf: Pass (protection.outlook.com: domain of gmail.com designates 209.85.219.172 as permitted sender) receiver=protection.outlook.com; client-ip=209.85.219.172; helo=mail-yb1-f172.google.com; dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=DeErbYIItzoqXs7wvIhD03kjjQf+85BTaPEW4rPGJkA=; b=lepqmwS60RcU7pdi2LifL3xPJmw/ghYpfU+CVUhALRVgITpZZ/kDYOTCRpT5xzGH0E WVyniPlaahFGKvl9gHaUgIt/vM045+7N3GhjUZdhZF6OFnIP8JZXVYWEfLGDCUyATpAx HfPPmNCfgORtedrKA4EtVFF5b3s7jeyypozcGWvecfpbOh2QzgHQxff8vytD016SnRXZ 26nN/EoAGjlIFfLLldzzPzngSBFqur0VapF2JiD99L/K0WI0YCJx+SU7gdNBE5ESFpph mVUPVrq35gUBvRWRY9mL5CbtmTtTBHqjKswQj404tEbpxo8SqZH8jW8jokry4UBvtA2h +vCw== authentication-results: spf=pass (sender IP is 209.85.219.172) 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:adcb:: with SMTP id d11mr2654160ybe.368.1606819571583; Tue, 01 Dec 2020 02:46:11 -0800 (PST) x-topics: [EE] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Hi folks, I am looking for a power amplifier that can do about 1.8MHz with a swing of about 18V, the piezo element with an impedance of 2 ohms at a resonant freq. of 1.77MHz. Any known designs that can do, or any pointers ? Thanks, 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 .