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True analog scopes

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tggzzz:

--- Quote from: Njk on December 19, 2022, 03:11:16 pm ---BTW I'd obtained my first scope when I was a high school student. Found it on the local junk yard. It was so big and heavy I was barely able to lift it. With the help of my friend, we moved the treasure to my home. It was of very true analog type, with big CRT, no transistors inside, only the tubes. To my surprise, it was in working condition. I spent more than a year learning how a tube amplifier circuits work and what are the effects from changing the values of res and caps. Excellent learning tool.

--- End quote ---

Any working scope is better than no scope. A good engineer will work out how to use whatever tools are available.

Those that say something to the effect that "only the latest tool should be considered" are doing budding engineers a disservice.

MegaVolt:

--- Quote from: tggzzz on December 19, 2022, 03:12:50 pm ---I started to us a novel multi-core processor (up to 4000MIPSX) which is like an FPGA in that it allows hard real-time guarantees to be made without measuring and hoping. The RTOS is to all intents and purposes implemented in hardware.
--- End quote ---
It is very interesting! Can you name him?

Njk:

--- Quote from: tggzzz on December 19, 2022, 03:12:50 pm ---
Problems arise when the libraries are subtly faulty, possibly because the implementer wasn't up to the job or because they didn't document their assumptions about how it should not be used.

--- End quote ---
And even more problems when it's actually not an option to don't use the library. Because of one reason or another.


--- Quote ---I started to us a novel multi-core processor (up to 4000MIPSX) which is like an FPGA in that it allows hard real-time guarantees to be made without measuring and hoping. The RTOS is to all intents and purposes implemented in hardware.

--- End quote ---
Intel 432 project resurrection?



--- Quote ---Absolutely no unexpected behaviour; everything just "worked as it said on the tin". What more could I want!

--- End quote ---
That looks very suspiciously. Where's it came from? A reasonable question at present times. Perhaps it's designed to phone home on every occasion...

tggzzz:

--- Quote from: MegaVolt on December 19, 2022, 03:39:48 pm ---
--- Quote from: tggzzz on December 19, 2022, 03:12:50 pm ---I started to us a novel multi-core processor (up to 4000MIPSX) which is like an FPGA in that it allows hard real-time guarantees to be made without measuring and hoping. The RTOS is to all intents and purposes implemented in hardware.
--- End quote ---
It is very interesting! Can you name him?

--- End quote ---

Search this forum for my posts on the XMOS xCORE processors running xC.

tggzzz:

--- Quote from: Njk on December 19, 2022, 03:53:20 pm ---
--- Quote from: tggzzz on December 19, 2022, 03:12:50 pm ---
Problems arise when the libraries are subtly faulty, possibly because the implementer wasn't up to the job or because they didn't document their assumptions about how it should not be used.

--- End quote ---
And even more problems when it's actually not an option to don't use the library. Because of one reason or another.

--- End quote ---

Urg! Sometimes the best approach is to say "no, not me, get someone else in another company to do it" :) Knowing when to walk away is a key skill - as per Eric Laithwaite's exam questions.


--- Quote ---
--- Quote ---I started to us a novel multi-core processor (up to 4000MIPSX) which is like an FPGA in that it allows hard real-time guarantees to be made without measuring and hoping. The RTOS is to all intents and purposes implemented in hardware.

--- End quote ---
Intel 432 project resurrection?

--- End quote ---

<deity> no!

Transputer (with a sprinkling of Sun's Niagara T chips) and more modern hardware, Occam/CSP, more pragmatism, and carefully limited objectives. It is hard realtime embedded, not general purpose.

CSP/Occam concepts/constructs are making their way into modern languages, e.g. Rust and Go.

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