Return-Path: Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by klubnl.pl (8.14.4/8.14.4/Debian-8+deb8u2) with ESMTP id x1QJV0IP008319 for ; Tue, 26 Feb 2019 20:31:01 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1gyiOA-0003GY-CQ for rs_out_1@blacksheep.org; Tue, 26 Feb 2019 19:27:38 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1gyiO9-0003GN-6e for rsgb_lf_group@blacksheep.org; Tue, 26 Feb 2019 19:27:37 +0000 Received: from mout.perfora.net ([74.208.4.196]) by relay1.thorcom.net with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.91) (envelope-from ) id 1gyiO7-0001JT-1M for rsgb_lf_group@blacksheep.org; Tue, 26 Feb 2019 19:27:36 +0000 Received: from [192.168.1.127] ([72.224.159.95]) by mrelay.perfora.net (mreueus001 [74.208.5.2]) with ESMTPA (Nemesis) id 0LdnYT-1hPHZ00dX9-00j3J1 for ; Tue, 26 Feb 2019 20:27:33 +0100 To: rsgb_lf_group@blacksheep.org References: <942860C848184BA2A0A9103E0EE56DF7@DELL4> <1UTEEgOcyQ.DAejAuRZtn9@optiplex980-pc> <92784b07-a799-fb4e-9080-e1e8bb167b75@n1bug.com> <1UTEEhG1Ft.EdI1dlVbFOZ@optiplex980-pc> <3062ef19-bb69-3187-e8db-6a6bf5050739@n1bug.com> <234098919.20190226111836@gmail.com> <0a79de5c-3274-caae-c000-d5f49bb44540@no3m.net> <21240445.20190226160950@gmail.com> <57e33c0d-6904-9010-a1c8-69b80f474068@no3m.net> <1191469216.20190226175207@gmail.com> <823BBA7099F84CE9924D2D9E7E379C05@DELL4> From: N1BUG Openpgp: preference=signencrypt Autocrypt: addr=paul@n1bug.com; prefer-encrypt=mutual; keydata= mQINBFqj1+0BEACggWlaH8oG/AiXSUG3CeQwZ1NrVEP4U7YsA9N9XEffjCDEsnTjHF2BJSgS 2AicyomkmTGvghEHxrNFfFw07jwgJl97ae/VtNxpERPSE98mb4sPOMpJbwddioMazMDXwhKA wpg5fse+Ru8OrIT04KK919xL/pZuAP6pY6d2kVoizjJOfS71pHpiU6N6q3d9cl+w7d2LKhAE a3A1ZgDquPvn0WQlrN8K5D66xVrwTRhf1b5H4Ozl8/mMJzCeLG1ZIsDB3Pu2flwE81P8dCJA y1azwgY8pTEshVk4em/se9uRiZaDJr/qUSCf6hrV7AGa8g1jpAQDmdGpDNYMqyDqXen4jNi1 8kNFVu1BMl2vjaI8skw/YPxIxlk/0ROHYhN6SuoDq1mt4AW4FryNa7k3A8dM8Bt7udBoTv0i uw4j9R/bmh2vl/QaHRUhDco0xn2z6geWvXkKqha++vzXDrEKUuqgB85SDZPs5W/phs9p0pz1 xA61d1gn8FQJtpou5dQuAucqMo8eKQY5LUcbC+MH5pebH+M2wIuDCBmFPJHQDSPNepeaxJ4o G/HU1hrpzlgLiTTSKR8DcwtMQwYywnCTlm8MgL4jXuPzoGyKDMYyKIjC51G+3AAOJ6oXJAGR g0ehhCPtmnCGBaRlUIoUSpbgc4B+onqFKZmDiVm9CRNJhKIWrQARAQABtBZOMUJVRyA8cGF1 bEBuMWJ1Zy5jb20+iQI9BBMBCAAnBQJao9ftAhsjBQkJZgGABQsJCAcCBhUICQoLAgQWAgMB Ah4BAheAAAoJECRS/J8srRGjPBsQAIh+Haz9gqrQJ0OlMI5xmQ0A5nsVWcatWF/Ea4mucNjL 4n4jmW+Z4Ukn3OVss55chWwrOVMRNWU2d2zRc92ZF7yJhLCoJFV870bZfxNYwdJ3GEBLIu6/ anmQYX0oXFx8UBsx5K6egNqbeflPA7zrLiQkWrz6JApECdiA1rHDjyJdS7PDxBCG9cKgr/5b r4Rn/JlUl9pRPnxlSwHXsV+J6JtFYtWI69MWIVD7Y7OY1wO9+684uOnzeDANzeIwpBDcSm6p 0D5u0b1hfPl2TD0ozVs6P0NvxkMbimXUhRR1QD0FvydyxmZTLAo+XZDGR8GqWYrYrauoRZ1h 3m23+bNT2T4AuoFnWekpsZu+sxIf0LKPtEZCa51O65jZ810ROpXg9Lx71gEoQD+kbjO69+kq 9r7wjytDq/jyhpOGrGYV6kgcQrISY86t9YvkA9Of2HDzZLih3GwecW6fkeV1AO5w4RteE9nL zIs2siGw2YqavF6LpTH71Db7cUYyZWn5hkKpwfpLNnPEuqgZACovpH1WUHx+KMqqIL4rMVCH GcSLqnH2KF4cEDb6OeTbwuLfpGlN+I3j24eQnB2uz5rDa7/IBjsClLl8S/wdDTP8IikBGixX 06v3k06tk/OF4UsfJ0cY/ASGP5+kjT4ASMZAIikwVMpKi5A5be77vecKNYlJQ2a6uQINBFqj 1+0BEACaujZXo3F17v7QTnub4DjjYvm+nr8J0uU5pPc1UMEz9eWjmtmITm15fx1hPKNtVW+I VlT+DG+ShNnYmO2M4CFBoc7PwkAOc70aDxfHz20kotvj1HhXG7oBiqPkN3TK4C7qWV1HUEPA V960qPdhsoCqmtkvNwj39w1T0ZR5qwwaqDogs9UwBib7zseQ3OXHG32xYYCMcxM35hgXGkkz R7wFL4ZnAPOeFb8LnWtZcrGpwXdsYkXuCxm+A+u9KlFY+w3ZCzZt1F9Ie+/PSZnFIUtbXt2i mfc+VkRwOLz5BDAeWuDL09TN81+gbrR3kXlymDcCbuduO/yHOQK085qzE3LuImdy+JNb7oDf 1C/hvpRvtB02vVy33rzIXT8644SJzFY/mw/W39/BgHKCoL1FrBbfgf0UoIFw5M752i7jQwmv j5yFfnVAXIPpCuusMwWMGVpZcGV7QxJxh0HBEhYgOo9v3zKwzNIPm9V/LA67u/rj4a/MlCE0 mpd6IHaePE1vXDaboPZHZdhAziru5/Jd7KQI0k+HmM/HRANPRNDZ4UeBpgj9PzS6hDN5GHlZ fRUbI8JAg9wSaQtEn0bjyaR7lw0yngZTvvjT1Qqt5zGwm1IAall2STes5xK0aS7p+UJJMVbf ydZ5VOnocvUkwYxbiqoyuVtGxi4tpWW9CRstYXMkAwARAQABiQIlBBgBCAAPBQJao9ftAhsM BQkJZgGAAAoJECRS/J8srRGjTDMP/18q7uhac/naxoFsOqhgXIlvaPgu6GX7s/QOh+bcSV1F y50lxo51P/C95H2TVME/CtCjk2xWQcNjWtXloMEsZpl7T3qWgJHvyZYkDtgh3M6UNY+zb08U K9E2+rR0AZ6zdMKio7Z1xA9BtbUpSZpvy2NgjoYVqo35NllUWMZJq0u+88PvE5WeCIqLipNI EZmUcG9UwolQbPkrRc42ReL+bFbuXGXDA5GbQ0RudXbugI8iUwaw3ftaKElIZtuHW0hw1VrU 9tVHsxKyEoKgNNT1hr+dgRmvCHmA87Pi4R5cMV0ZkLVOYfPX1motedag7HmSNPi2PkYLts4z kyvPEJe2IvaPvjvK1ShRWWgje3uytrhfwyjUZcIuA76RWEfBbwT2Mbrn9O7LvrYtbTiTlsLo Zdk2uocuefBvPd2oI7mTn5eLy/VDy2JVnlb9vpZZhriXI4KtCcP6mYyuPxlxqj/30Kn1fU5b C4EpnKy6hW1CHM42DbwzT+ChjBpFbX9bfwT4qn6d42+T4mN5wkmfnBRHfcn8Wf1ezRSK3Ome Esa3ZDssj23CZHe11uec6Ln14qoB7JyRT9qM3Q99tzvAlmWFM3GrSsG94g4JponQjQWHmr8B eMYezwJHzSI7zWElJpzs/OuohstTYfYTy16FygUOEinc1K4ywjEklgRpXRtjKvqc Message-ID: <8a5fe31b-ce9b-8180-4cab-a6c615871050@n1bug.com> Date: Tue, 26 Feb 2019 14:27:32 -0500 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.4.0 MIME-Version: 1.0 In-Reply-To: <823BBA7099F84CE9924D2D9E7E379C05@DELL4> Content-Language: en-US X-Provags-ID: V03:K1:X+kmN5h8zzgZb0kI68JxqqJ9/RhxOgdE4NjKZ8rvUsXJg1obGZv q76nV6wbsMjywgvQtujSSXLXirLRxOxuLt41F8KRy9ul03THXDV7HxCAJgcuYIat/tEIIUd AHs8tAO8dO7QonSf+v94m1A23f3aBFQGwVssmcmsAdlXeP7Slr+WQGmJqxMp6fRfEP2Vs0I f/tynobiG6HKvro4pG5KA== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:i2yNv5tw1jA=:Mx0lEeS5ivCckN9dI+e4Ed 7zSbIehBkkajW6+Z3jcRH2myKkDENllq730Pd/rFgA5Jtt8fMQu4hOB8Ai4eX1R2gV3OkAX/Y 4FBmCiJGWAiaSd2blV2Qd9uLz9h78dnJAdqpw2F70O9AeseYRiedoZ+mUHIwOkDeLRDjL5E5Z VgKp6oMfze4Sqhzu70ZzTW4vEKNgn1VuDgJDhLS8ZXANz57KMdfmdOGCi2LhCvKY7I/bn+8DT ej7+uf9RyKn7JTJpGF3/ajDCAq5Yd1BeCcWCTlTcTvTerkLNRY+ohxJ7BkiT4bmnFZempiwVm GrlgdeYwaMcZWJfs3fttf/T0dcI/L8XEp2qy4kUfrW2kgynFQHMBdE1QQ5OhrMqfvy8HDQdue Z53cvFdXvRgkNh8gsZ/yAxM6qfeqCiVUqupgjTaA2kHZGdxI1wsKrdGNRBHX1KIOwHCuNIq7I mk/Ynr3WHo1GhKgqkRAJxJrXgydvRtj4gcFRZafN7WhX30mwDJYDVMmUYOizbA/iSdX4Ck9MD /tdtO6qmCmxDX5v+i9636xlE/4ON4Q1aydQFo194dPaonO7NHKODkJBeebFG5Rim28ecQGS7o v4wpf1+zvVAxRIaZ70QV6vqXv2Cl8d06xblORa8722fBg1r9TEP9DypQhU0nD6kKtEP2Zwe5Z 6bH8NU5I0ay7YS6OdZgoY39Z9+VghJZDByYBkDpThWRFIf20x/MeyMf87TylaccsnJcCHKUg7 mMBTU/LuuT1SIXgxCuM9eWhNTg3i30OXzZJVkbVKefp4X4J6iHNk/TeZrEE= X-Spam-Score: -0.0 (/) X-Spam-Report: Spam detection software, running on the system "relay1.thorcom.net", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: Update: U3S schematic http://qrp-labs.com/images/ultimate3s/assembly_u3s_r3_lt.pdf Content analysis details: (-0.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [74.208.4.196 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record X-Scan-Signature: 4c0633a540d76adc241b9d3cede72a57 Subject: Re: LF: Class D current spikes Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false Update: U3S schematic http://qrp-labs.com/images/ultimate3s/assembly_u3s_r3_lt.pdf U3S Synthesizer module schematic http://qrp-labs.com/images/synth/synth_assembly4.pdf My U3S has the low pass filter installed, so it is CLK0 of he Si5351A > BS170 FET > LPF > W1VD doubler, amplifier. Paul On 2/26/19 2:12 PM, jrusgrove@comcast.net wrote: > Anyone have a U3S schematic handy? Link to same? > > Jay W1VD > > ----- Original Message ----- > From: "N1BUG" > To: > Sent: Tuesday, February 26, 2019 2:01 PM > Subject: Re: LF: Class D current spikes > > >> Eric, >> >> I I have always run my U3S through the W1VD doubler. Never had any >> problems with blown FETs with that setup, even when I tested at 1 kW >> under Part 5 license. There is apparently something different about >> the U3S at end of RF envelope. >> >> 73, >> Paul >> >> >> On 2/26/19 12:52 PM, Chris Wilson wrote: >>> >>> >>> Hello Eric, >>> >>> No, I have always run the U3S in X2 mode as far as I can remember. No >>> doubler, no squarer, just straight out of CLK0 to Pin 3 of the 74F74. >>> And no issues at all. Thanks. BTW, I really admire your old gear on >>> your web site, awesome build standards and so nice to look at! >>> >>> Tuesday, February 26, 2019, 5:35:10 PM, you wrote: >>> >>>> Just to clarify... did you say previously that the U3S also worked fine >>>> running at 1x and feeding a doubler, squarer, etc. also? >> > > -- Paul N1BUG 2200m-2m DXCC Honor Roll FN55mf ME Piscataquis County http://www.n1bug.com http://www.aurorasentry.com