Re: Buying an oscilloscope in 2023...

by Glenndk Wed Feb 01, 2023 5:42 pm

Ruud wrote:Thanks, but I already found (and bought) one!
MUCH better than a digital one!

You should also get an ancient Tektronix sampling oscilloscope :-)

https://w140.com/tekwiki/wiki/Sampling_oscilloscope

Sampling notes (not music!):
https://w140.com/tekwiki/images/1/13/85W-23777-0.pdf

https://w140.com/tekwiki/wiki/Sampler

https://w140.com/tekwiki/wiki/S-4

by **Ruud** Wed Feb 01, 2023 5:30 pm

Thanks, but I already found (and bought) one!
MUCH better than a digital one!

by Glenndk Wed Feb 01, 2023 5:27 pm

Ruud wrote:[size=16]
To my surprise it is hardly possible to buy an analog oscilloscope these days.

Have a look here - in danish - 6-7 analogue oscilloscopes for sale:

https://www.brugtgrej.dk/itemlist.php?mode=search&type=1&search=oscillos

174 !:
https://www.ebay.de/sch/i.html?_from=R40&_nkw=analogue+oscilloscope&_in_kw=1&_ex_kw=digital&_sacat=0&_udlo=&_udhi=&_ftrt=901&_ftrv=1&_sabdlo=&_sabdhi=&_samilow=&_samihi=&_sadis=15&_stpos=&_sargn=-1%26saslc%3D1&_salic=77&_sop=12&_dmd=1&_ipg=60

by sm0vpo Tue Jan 31, 2023 11:26 am

Hi Ruud,
I also agree with you 100%. I really do miss my analogue scope.

My digital scope is good, but there are some really weird effects, especially if the time-base is set to a figure widely outside the range one would "normally" expect to use for a given input frequency. I have learned many of the limitations of my new digital scope. The biggest advantages are that I can capture screens and the display is big.

I have had a lot of other things happening over the past year, but I hope to finish my analogue scope that I started more than a year ago. The screen is smaller, but as you pointed out, a noiseless trace is far more usable when you are looking at audio.

Very best regards from Harry - sm0vpo

by **Ivan** Sat Jan 21, 2023 5:49 pm

Hi Ruud,
you are 100% right. Analog does not mean worse. Unfortunately digitization is "cool" and digital devices are manufactured more easily in fact.

VBRfrom Ivan

by **Ruud** Sat Jan 21, 2023 1:47 pm

In the topic "Analogue AF Generator" I saw that you own a digital oscilloscope.
Until recently I used a 40 year old Philips oscilloscope, but lately the device started to have some problems.
So I looked for a replacement...
To my surprise it is hardly possible to buy an analog oscilloscope these days.
After a long search and comparison, I found a digital scope that seemed to meet my requirements.
In practice, the result is very disappointing to me: a lot of 'noise' on the displayed waveform and clumsy operation via menus. I'm afraid that after 40 years of using an analog oscilloscope, I won't soon become 'friends' with a digital oscilloscope!

Shortly after my bad experience, I still managed to find a good new analog oscilloscope, 2 channels, 20 Mhz.
Because I mainly work with low frequency circuits, this is more than enough for me.
What a relief to just see a 'noise-free' thin line on the screen again!!!
(Also: that digital 'thing' had a noisy fan, which was getting louder by the minute!)

Oh, I owned the digital oscilloscope for a week before I sold it!

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