Path: ...!weretis.net!feeder6.news.weretis.net!newsfeed.hasname.com!usenet.blueworldhosting.com!diablo1.usenet.blueworldhosting.com!feeder.usenetexpress.com!tr2.iad1.usenetexpress.com!69.80.99.27.MISMATCH!local-2.nntp.ord.giganews.com!nntp.supernews.com!news.supernews.com.POSTED!not-for-mail NNTP-Posting-Date: Sat, 06 Apr 2024 02:35:45 +0000 From: John Larkin Newsgroups: sci.electronics.design,sci.electronics.repair Subject: Re: Favourite Test Equipment Date: Fri, 05 Apr 2024 19:34:05 -0700 Organization: Highland Tech Reply-To: xx@yy.com Message-ID: References: <9k7j0jlnbhs8qfg5m17pium0835meean83@4ax.com> <3r7o0j9sphvh9k3k04g13mfht75lkq05q9@4ax.com> <5kr01jh0b3l3cnsv57l8pd1dq0uvugnnbo@4ax.com> X-Newsreader: Forte Agent 3.1/32.783 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Lines: 32 X-Trace: sv3-A5ybQ7qPGh0Xuc7bjd/kkTwRXTuhpjNPaDiWZqXBbUQfyqKCHzZ7w2dCKRcRr0IExV/4gDT5JKRhEfu!xRNn/DXo4Xv6IZJyZnKPp5abFfHrLo1HsVHvIxJpXY7GhWFCHNUR3yziTOXr2hBOv/FYDHQIGxMl!gxvRew== X-Complaints-To: www.supernews.com/docs/abuse.html X-DMCA-Complaints-To: www.supernews.com/docs/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 Bytes: 2603 On Fri, 05 Apr 2024 14:42:55 -0700, john larkin wrote: >On Fri, 5 Apr 2024 23:31:28 +0200, Gerhard Hoffmann >wrote: > >>Am 02.04.24 um 17:09 schrieb John Larkin: >> >>> >>> We still have one Tek 7104 (1 GHz microchannel analog scope) that >>> works. One of my guys likes it. >>> >> >>Wasn't that the scope that always switched off the beam current >>when things got interesting? >> >>Gerhard > >Yes, it shuts off the display often, to not wear out the microchannel >plate. > >One develops a sophisticated thumb-flic motion to hit the enable >button in milliseconds. You can see a single-shot sweep at 1 ns/cm. > >The 719 was a fast CRT scope too, but the screen was about the size of >a postage stamp, and there was no vertical amplifier. I don't want one >of those huge ugly beasts, but I do have a CRT. I dug it out of a 719 >in a parking lot in Los Alamos, in the cold rain. Sorry, that was a 519. https://www.dropbox.com/s/r6c3zkwlqrayt53/519_CRT.JPG?raw=1