Re: yes!

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Sujet : Re: yes!
De : jlarkin_highland_tech (at) *nospam* nirgendwo (john larkin)
Groupes : sci.electronics.design
Date : 21. Aug 2024, 17:25:40
Autres entêtes
Message-ID : <225ccj9u9t4l54acbplv6uhc8pf6q41qp9@4ax.com>
References : 1 2 3 4 5 6 7 8 9 10 11
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On Wed, 21 Aug 2024 12:12:23 -0400, "Edward Rawde"
<invalid@invalid.invalid> wrote:

"Jan Panteltje" <alien@comet.invalid> wrote in message news:va4vv2$1h1un$1@solani.org...
On a sunny day (Wed, 21 Aug 2024 07:43:55 -0700) it happened john larkin
<jlarkin_highland_tech> wrote in <6oubcj5r9fduockf0j1ind3r1lpe5p61pa@4ax.com>:
>
On Wed, 21 Aug 2024 05:27:25 GMT, Jan Panteltje <alien@comet.invalid>
wrote:
>
On a sunny day (Tue, 20 Aug 2024 09:25:27 -0700) it happened john larkin
<jlarkin_highland_tech> wrote in <3kg9cj1fp2jifl9vre6ad7tkd0cj4fp1ac@4ax.com>:
>
On Tue, 20 Aug 2024 17:13:39 +0100, Martin Brown
<'''newspam'''@nonad.co.uk> wrote:
>
On 20/08/2024 16:30, Phil Hobbs wrote:
Edward Rawde <invalid@invalid.invalid> wrote:
"john larkin" <jlarkin_highland_tech> wrote in message
I preferred Popular Electronics myself.
>
Just as elsewhere at the time you might only have had access to Rossiyskaya Elektronika.
The world was smaller then.
>
Back when I was 21 and trying to come up to speed in RF, I learned a lot
from RF Design and Wireless World.
>
WW was good on content but circuit diagrams in it were somewhat badly
typeset at times - just enough to make it tricky to get working.
>
Elektor was the other European mag back then and it is still going. They
had a summer special with loads of circuit ideas much like IU. Quirky
resistors as rectangular boxes was one of their trademarks.
>
Do kids these days have similar guides to designing real electronics?
>
When I interview an engineer, recent grad or not, I give them my
2-resistor voltage divider test. Most start mumbling and can't do it.
>
>
Apart from 'Elektor', that was called 'Electuur' here in the Netherlands,
we had 'Radio ELectronica' that last one was my faforite,
Way before that we had 'Radio Blan':
https://archive.org/details/radio-blan/Radio_Blan_01_juli_1960/
Used to read that and build those projects.. If I could get the parts...
Componets from 'Amroh'
https://became.nl/amroh/Geschiedenis%20AMROH/historie1.htm
their '402 coil' (medium wave coil) was seen in many projects.
 Amroh goes back to 1932...
>
As to 2 resistors that sounds bad...
I remember asking to draw a transistor relais driver to see if they forgot the flyback protection diode...
>
The really advanced question is to state the voltages in an emitter
follower.
>
I recently hired a kid who flubed the voltage divider question. 10
volt supply, 9K and 1K divider, what's the voltage across the 1K? He
mumbled and said 9.
>
Oops!
>
Maybe we should ask 'did you ever design something or build something yourself at home?'
>
Why should he have? No-one does that any more.

The tinkerers are to be found in maker spaces.

They are exposed to a lot of hardware/software/mechanical things,
classes and other peoples' projects, and some will trend to
electronics.



Date Sujet#  Auteur
15 Aug 24 * yes!92john larkin
15 Aug 24 +* Re: yes!6Joe Gwinn
15 Aug 24 i`* Re: yes!5john larkin
15 Aug 24 i `* Re: yes!4Edward Rawde
15 Aug 24 i  `* Re: yes!3john larkin
15 Aug 24 i   +- Re: yes!1Bill Sloman
15 Aug 24 i   `- Re: yes!1Edward Rawde
15 Aug 24 +- Re: yes!1Jan Panteltje
15 Aug 24 +* Re: yes!4Jeroen Belleman
15 Aug 24 i+- Re: yes!1Jan Panteltje
15 Aug 24 i+- Re: yes!1Jan Panteltje
16 Aug 24 i`- Re: yes!1Jan Panteltje
15 Aug 24 +* Re: yes!79Martin Brown
15 Aug 24 i+* Re: yes!76john larkin
16 Aug 24 ii+* Re: yes!5Edward Rawde
17 Aug 24 iii`* Re: yes!4john larkin
17 Aug 24 iii +- Re: yes!1Edward Rawde
17 Aug 24 iii `* Re: yes!2Jeroen Belleman
17 Aug 24 iii  `- Re: yes!1Martin Brown
16 Aug 24 ii`* Re: yes!70Martin Brown
17 Aug 24 ii +* Re: yes!50john larkin
17 Aug 24 ii i+* Re: yes!48Jan Panteltje
17 Aug 24 ii ii`* Re: yes!47john larkin
17 Aug 24 ii ii +* Re: yes!3Jan Panteltje
17 Aug 24 ii ii i`* Re: yes!2john larkin
18 Aug 24 ii ii i `- Re: yes!1Bill Sloman
17 Aug 24 ii ii +- Re: yes!1Bill Sloman
17 Aug 24 ii ii `* Re: yes!42Edward Rawde
17 Aug 24 ii ii  `* Re: yes!41john larkin
18 Aug 24 ii ii   `* Re: yes!40Bill Sloman
18 Aug 24 ii ii    `* Re: yes!39john larkin
19 Aug 24 ii ii     `* Re: yes!38Bill Sloman
19 Aug 24 ii ii      `* Re: yes!37john larkin
19 Aug 24 ii ii       +- Re: yes!1Bill Sloman
20 Aug 24 ii ii       `* Re: yes!35john larkin
20 Aug 24 ii ii        `* Re: yes!34Edward Rawde
20 Aug 24 ii ii         +* Re: yes!32john larkin
20 Aug 24 ii ii         i+* Re: yes!22Edward Rawde
20 Aug 24 ii ii         ii`* Re: yes!21john larkin
20 Aug 24 ii ii         ii `* Re: yes!20Edward Rawde
20 Aug 24 ii ii         ii  `* Re: yes!19john larkin
20 Aug 24 ii ii         ii   `* Re: yes!18Edward Rawde
20 Aug 24 ii ii         ii    `* Re: yes!17Phil Hobbs
20 Aug 24 ii ii         ii     `* Re: yes!16Martin Brown
20 Aug 24 ii ii         ii      `* Re: yes!15john larkin
20 Aug 24 ii ii         ii       +* Re: yes!2Edward Rawde
21 Aug 24 ii ii         ii       i`- Re: yes!1Jan Panteltje
21 Aug 24 ii ii         ii       +- Re: yes!1Bill Sloman
21 Aug 24 ii ii         ii       `* Re: yes!11Jan Panteltje
21 Aug 24 ii ii         ii        +* Re: yes!8john larkin
21 Aug 24 ii ii         ii        i`* Re: yes!7Jan Panteltje
21 Aug 24 ii ii         ii        i +* Re: yes!2john larkin
21 Aug 24 ii ii         ii        i i`- Re: yes!1Jeroen Belleman
21 Aug 24 ii ii         ii        i `* Re: yes!4Edward Rawde
21 Aug 24 ii ii         ii        i  +- Re: yes!1john larkin
22 Aug 24 ii ii         ii        i  `* Re: yes!2Jan Panteltje
22 Aug 24 ii ii         ii        i   `- Re: yes!1Edward Rawde
22 Aug 24 ii ii         ii        `* Re: yes!2Gerhard Hoffmann
22 Aug 24 ii ii         ii         `- Re: yes!1Jan Panteltje
20 Aug 24 ii ii         i+* Re: yes!6Bill Sloman
20 Aug 24 ii ii         ii`* Re: yes!5Edward Rawde
21 Aug 24 ii ii         ii `* Re: yes!4john larkin
21 Aug 24 ii ii         ii  `* Re: yes!3Jeroen Belleman
21 Aug 24 ii ii         ii   +- Re: yes!1Bill Sloman
21 Aug 24 ii ii         ii   `- Re: yes!1Edward Rawde
20 Aug 24 ii ii         i`* Re: yes!3Joe Gwinn
21 Aug 24 ii ii         i `* Re: yes!2john larkin
21 Aug 24 ii ii         i  `- Re: yes!1Bill Sloman
20 Aug 24 ii ii         `- Re: yes!1Bill Sloman
17 Aug 24 ii i`- Re: yes!1Bill Sloman
17 Aug 24 ii `* Re: yes!19john larkin
17 Aug 24 ii  +- Re: yes!1Bill Sloman
17 Aug 24 ii  +- Re: yes!1Joe Gwinn
17 Aug 24 ii  `* Re: yes!16Martin Brown
18 Aug 24 ii   `* Re: yes!15john larkin
18 Aug 24 ii    `* Re: yes!14Bill Sloman
18 Aug 24 ii     `* Re: yes!13john larkin
18 Aug 24 ii      +* Re: yes!3Edward Rawde
18 Aug 24 ii      i`* Re: yes!2john larkin
19 Aug 24 ii      i `- Re: yes!1Bill Sloman
19 Aug 24 ii      `* Re: yes!9Bill Sloman
19 Aug 24 ii       `* Re: yes!8Jan Panteltje
19 Aug 24 ii        `* Re: yes!7john larkin
19 Aug 24 ii         +* Re: yes!3Phil Hobbs
19 Aug 24 ii         i`* Re: yes!2john larkin
19 Aug 24 ii         i `- Re: yes!1Phil Hobbs
19 Aug 24 ii         `* Re: yes!3Joe Gwinn
19 Aug 24 ii          `* Re: yes!2john larkin
19 Aug 24 ii           `- Re: yes!1Joe Gwinn
16 Aug 24 i+- Re: yes!1Joe Gwinn
16 Aug 24 i`- Re: yes!1Edward Rawde
19 Aug 24 `- Re: yes!1Sylvia Else

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