Path: ...!weretis.net!feeder6.news.weretis.net!usenet.blueworldhosting.com!diablo1.usenet.blueworldhosting.com!feeder.usenetexpress.com!tr1.iad1.usenetexpress.com!198.186.190.30.MISMATCH!news-out.netnews.com|netnews.com!postmaster.netnews.com!us14.netnews.com!not-for-mail X-Trace: DXC=53Q5>bgI5dTA=3Ee<`a9E[U5[F2hIijD_7J470dMQQ7[bnl:Bh6K7QRdae@QSNdb=T]KjV2Yn7bN^VZNTZ9598YV63^FDd_VWmWR<@>HgL4:VP_[?n`d5S`@U X-Complaints-To: support@frugalusenet.com Date: Fri, 5 Apr 2024 16:26:49 -0400 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Favourite Test Equipment Newsgroups: sci.electronics.design,sci.electronics.repair References: <9k7j0jlnbhs8qfg5m17pium0835meean83@4ax.com> <660ed343$0$1258343$882e4bbb@reader.netnews.com> Content-Language: en-US From: bitrex In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Lines: 25 Message-ID: <66105e8a$0$3711191$882e4bbb@reader.netnews.com> NNTP-Posting-Host: 127.0.0.1 X-Trace: 1712348810 reader.netnews.com 3711191 127.0.0.1:43957 Bytes: 2217 On 4/5/2024 3:49 AM, Jan Panteltje wrote: > On a sunny day (Thu, 4 Apr 2024 12:20:19 -0400) it happened bitrex > wrote in <660ed343$0$1258343$882e4bbb@reader.netnews.com>: > >> My most useful old machine dollar for dollar is my 8012B pulse generator! >> >> > > Nice, real components... > > >> $50 "not working." It was just a burned-out pilot lamp and dirty controls. > > mm 50 dollars, > even today with people using dollars for wallpaper, > buys you a nice pulse generator on ebay.. It cost $1700 USD in the 1987 catalog, about $4500 equivalent today! > 555 timer works fine too > Or use sox in Linux for all sort of audio, including sweeps: > https://www.audiosciencereview.com/forum/index.php?threads/howto-sox-audio-tool-as-a-signal-generator.4242/ > or just use a Raspberry Pi as signal generator: > https://panteltje.nl/panteltje/newsflex/download.html#freq_pi