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Vintage Test Gear and Workshop Equipment For discussions about vintage test gear and workshop equipment such as coil winders. |
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20th Apr 2021, 7:42 pm | #21 |
Hexode
Join Date: Mar 2020
Location: Rochdale, Greater Manchester, UK.
Posts: 440
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Re: Large Screen Oscilloscopes
Hi - just to add a little variety to the mix - here's a look at a Leader LBO-9C oscilloscope with a 9in (diagonal) screen and 10kHz bandwidth that may be of interest? It has its X input, also Z input and marker pulse input sockets on the rear panel and the Y input on the front panel.
I acquired mine a few years ago from a factory closing down auction, converted from 120V to 240V operation and just use it with homebrew "octopus" and curve tracer projects at present. Cheers Chris |
20th Apr 2021, 7:44 pm | #22 |
Dekatron
Join Date: Jan 2004
Location: Newcastle upon Tyne, Tyne & Wear, UK.
Posts: 8,171
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Re: Large Screen Oscilloscopes
Hi Knobtwiddler, as it is only for audio use, have a look at the TV magazine of the 70's ?
They had a design for a large screen scope base on a common TV chassis. Home build possibly, but I think much of the circuitry was already in the TV An isolation transformer was of course essential Ed |
20th Apr 2021, 7:54 pm | #23 |
Octode
Join Date: Jul 2009
Location: Cheshire, UK.
Posts: 1,706
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Re: Large Screen Oscilloscopes
HP also made X/Y displays with the same CRT, model 1300A, seen a few more of these including one rebranded for Spectral Dynamics.
HP 1308A 8 channel version. David |
20th Apr 2021, 7:59 pm | #24 | |
Octode
Join Date: Jul 2009
Location: Cheshire, UK.
Posts: 1,706
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Re: Large Screen Oscilloscopes
Quote:
David |
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21st Apr 2021, 10:54 am | #25 |
Octode
Join Date: Mar 2016
Location: London, UK.
Posts: 1,046
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Re: Large Screen Oscilloscopes
Thank you, all! It looks like I might have found a LSO from a group member! This thread has plenty of food for thought, and I'm highly appreciative.
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21st Apr 2021, 3:28 pm | #26 | |
Dekatron
Join Date: Jun 2015
Location: Biggin Hill, London, UK.
Posts: 5,189
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Re: Large Screen Oscilloscopes
Quote:
http://www.hpmuseum.net/exhibit.php?hwdoc=732 That site has a lot of older HP computer-related manuals. |
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21st Apr 2021, 4:44 pm | #27 |
Dekatron
Join Date: Nov 2010
Location: Oxford, UK.
Posts: 4,941
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Re: Large Screen Oscilloscopes
This is a bit on the esoteric side. This is the video output from a Tek 7912HB transient digitizer on a TV. A 1980's 19" rack full of everything Tek could throw at an instrument. Bit slice processors, custom high speed silicon, a scan converter tube internally.
Note the horizontal timescale... Craig |
21st Apr 2021, 4:51 pm | #28 |
Dekatron
Join Date: Nov 2010
Location: Oxford, UK.
Posts: 4,941
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Re: Large Screen Oscilloscopes
Keeping on the esoteric large screen side, this is a R&S SWOB PolyskopII. This is actually a spectrum analyzer with inbuilt tracking generator. A monster hernia inducing beast, it actually works quite well. It has a built in monochrome TV screen.
Craig |
21st Apr 2021, 4:56 pm | #29 | |
Hexode
Join Date: Jun 2018
Location: Buckinghamshire, UK.
Posts: 382
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Re: Large Screen Oscilloscopes
Quote:
Many thanks. Cheers |
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21st Apr 2021, 5:22 pm | #30 |
Octode
Join Date: Jan 2007
Location: Dorridge, West Midlands, UK.
Posts: 1,475
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Re: Large Screen Oscilloscopes
Seeing this thread reminded me of a large screen unit for audio use sold as either the Wayne Kerr RA20 which I briefly owned or the Ferrograph ARA1.
This was designed to go up to 30 or 200khz depending on the range, I enclose a couple of pictures for those interested. Of course its so much easier now you can use PC based scope and enlarge the image to what ever you like with a large screen or projectors.
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Chris Wood BVWS Member |
22nd Apr 2021, 6:56 pm | #31 |
Banned
Join Date: Mar 2021
Location: Morpeth, Northumberland, UK.
Posts: 936
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Re: Large Screen Oscilloscopes
I recall a huge demonstration scope at college a LONG time ago and remembering it as being Cossor... I never saw it in operation. This thread is making me think I probably remembered it incorrectly and it was likely the Airmec though.
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