Products > Test Equipment

True analog scopes

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Mechatrommer:

--- Quote from: tggzzz on December 17, 2022, 07:11:37 pm ---Frequently during a professional career people will have to make do with what's already available because

* you need it now, not in a month's time
* money has to be used for other necessary equipment
* it won't pass the purchase request process
* it is back at base, not here in the field
* boss says you don't need it
* there is nothing that is capable of doing the jobI've seen all of those, and had to find workarounds.

Might as well get engineers to think creatively from the outset. That's not true for technicians, of course - and vive la différence!

--- End quote ---
if your company cant afford $400 DSO, i suggest find another company because they surely cant make raise to your salary accordingly... i've also encountered such situation during my short time working as practising (profession) eng... but there is difference/limit between working to the limit and asking the impossible... and every workaround has its catches... be it money, space or time... you wont get anything far with $1 tools, let alone going into GHz region, unless you want to work full time as dumpster diver, but again, the catch is... time... one of it... concrete example will prove me wrong... ymmv.

BillyO:

--- Quote from: tautech on December 17, 2022, 06:55:38 pm ---
--- Quote from: Mechatrommer on December 17, 2022, 06:37:27 pm ---do they have enough time repairing? and getting unobtainium parts? or advices on repair from locals? retired person surely have...

--- End quote ---
Yup, these are the 2 real worlds and few here understand both.

--- End quote ---
It's actually a serious hobby for quite a few people to get older test equipment and fix it up.

As for business, I know a guy in Toronto that has a thriving business fixing up old Hi-Fi equipment and classic guitar amps.  He and his two technicians all have Tek 465 scopes on their benches.  Not a DSO to be seen.

Good enough is usually good enough. :-+

tggzzz:

--- Quote from: Mechatrommer on December 17, 2022, 07:37:19 pm ---
--- Quote from: tggzzz on December 17, 2022, 07:11:37 pm ---Frequently during a professional career people will have to make do with what's already available because

* you need it now, not in a month's time
* money has to be used for other necessary equipment
* it won't pass the purchase request process
* it is back at base, not here in the field
* boss says you don't need it
* there is nothing that is capable of doing the jobI've seen all of those, and had to find workarounds.

Might as well get engineers to think creatively from the outset. That's not true for technicians, of course - and vive la différence!

--- End quote ---
if your company cant afford $400 DSO, i suggest find another company because they surely cant make raise to your salary accordingly... i've also encountered such situation during my short time working as practising (profession) eng... but there is difference/limit between working to the limit and asking the impossible... and every workaround has its catches... be it money, space or time... you wont get anything far with $1 tools, let alone going into GHz region, unless you want to work full time as dumpster diver, but again, the catch is... time... one of it... concrete example will prove me wrong... ymmv.

--- End quote ---

I suspect there is a language divide here, because you have missed the point(s).

H713:

--- Quote from: BillyO on December 17, 2022, 08:01:24 pm ---
--- Quote from: tautech on December 17, 2022, 06:55:38 pm ---
--- Quote from: Mechatrommer on December 17, 2022, 06:37:27 pm ---do they have enough time repairing? and getting unobtainium parts? or advices on repair from locals? retired person surely have...

--- End quote ---
Yup, these are the 2 real worlds and few here understand both.

--- End quote ---
It's actually a serious hobby for quite a few people to get older test equipment and fix it up.

As for business, I know a guy in Toronto that has a thriving business fixing up old Hi-Fi equipment and classic guitar amps.  He and his two technicians all have Tek 465 scopes on their benches.  Not a DSO to be seen.

Good enough is usually good enough. :-+

--- End quote ---

Analog audio is one of the very few spaces where an analog scope still makes sense, and to this day, any time I'm tracing a signal through an amplifier, I reach for my 2235. The way these scopes are laid out, and the way they operate, makes them more efficient for that kind of work. A Tektronix 547 is a VERY good scope for audio work - that says a thing or two about what we are dealing with.

For someone who is ONLY doing audio work, a strong argument could be made to buy a $60 Non-Tektronix analog scope (yes, you can get good, working analog scopes for that price) and put the rest of their budget to an audio analyzer (going to be >$500 for a decent one).

Even I have come to recognize that this is a very unusual situation, and this thinking doesn't translate well at all to other areas of electronics. This is because no DSO can really measure the performance of respectable audio equipment (you need a lot more dynamic range than even the best DSOs can offer), and as long as you can see a 20 MHz parasitic oscillation, the scope is fine. Audio doesn't even come close to pushing oscilloscopes - put the money into an audio analyzer, and you'll be much better off.

tautech:

--- Quote from: BillyO on December 17, 2022, 08:01:24 pm ---
--- Quote from: tautech on December 17, 2022, 06:55:38 pm ---
--- Quote from: Mechatrommer on December 17, 2022, 06:37:27 pm ---do they have enough time repairing? and getting unobtainium parts? or advices on repair from locals? retired person surely have...

--- End quote ---
Yup, these are the 2 real worlds and few here understand both.

--- End quote ---
It's actually a serious hobby for quite a few people to get older test equipment and fix it up.

As for business, I know a guy in Toronto that has a thriving business fixing up old Hi-Fi equipment and classic guitar amps.  He and his two technicians all have Tek 465 scopes on their benches.  Not a DSO to be seen.

Good enough is usually good enough. :-+

--- End quote ---
Yet when I had time for electronics as a hobby and repaired CRO's as part of it they wouldn't do all I needed and after repairing a few Tek DSO's it was obvious which direction to more in and leave all that obsolete technology behind.
Needing to battle on with limited scope capability wasn't in my future and still isn't !

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