User talk:MichaelFrey

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File:Impulse_Monoflop_(OR)_Impulse_Analog_001.svg[edit]

hallo michael hab mir mit interesse die wikibooks seite zum thema Digitale Schaltungstechnik/ Monoflop/ Beispiel angeschaut. vielen dank für die anschaulichen diagramme. in dem im titel verlinkten bild sollte jedoch meines erachtens die grüne kurve viel schneller aus dem negativen sich an das nullpotential anschmiegen, da in diesem fall ja die kapazität über die diode (und nicht über r) aufgeladen wird, welche idealisiert ja einen unendlich hohen strom führen kann und damit eine unendlich kleine aufladezeit zulässt. auf jedenfall sollte die aufladung aus dem negativen potential heraus eine viel kleinere zeitkonstante haben. lg markus

Gute Frage, da hab ich jetzt auch etwas überlegen müssen.
Also auf die Funktion hat das zweite Tau keinen grossen Einfluss. Ist es kleiner ist es besser, ist es gleich auch gut.
Die Diode an sich nehme ich als nicht Ideal an. Was man sieht ist, dass die Negative Spannung durch die Diode begrenzt wird. Ohne wäre sie ja deutlich höher (vielleicht 3V, nicht etwa 0.6V ... 0.7V).
Ob die Diode nach dem Clippen der Spannung noch etwas bewirkt ist schwieriger zu beurteilen. Sie liegt Parallel zum Widerstand und senkt so den Gesamtwiderstand bestimmt. Andereseits leitet die Diode bei 0.5V kaum noch, da dominiert wieder klar der Widerstand.
Als das Tau etwas kleiner zu machen, ist bestimmt nicht Falsch.
Ich werde es noch in Tina verifizieren und dann die Grafik anpassen und auch gleich das Resultat der Simulation hoch laden.
Gruss und dank -- MichaelFrey (talk) 18:05, 28 February 2011 (UTC)

Tip: Categorizing images[edit]

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Hello, MichaelFrey!

Tip: Add categories to your images

Thanks a lot for contributing to the Wikimedia Commons! Here's a tip to make your uploads more useful: Why not add some categories to describe them? This will help more people to find and use them.

Here's how:

1) If you're using the UploadWizard, you can add categories to each file when you describe it. Just click "more options" for the file and add the categories which make sense:

Uploadwizard-categories.png

2) You can also pick the file from your list of uploads, edit the file description page, and manually add the category code at the end of the page.

[[Category:Category name]]

For example, if you are uploading a diagram showing the orbits of comets, you add the following code:

[[Category:Astronomical diagrams]]
[[Category:Comets]]

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When picking categories, try to choose a specific category ("Astronomical diagrams") over a generic one ("Illustrations").

Thanks again for your uploads! More information about categorization can be found in Commons:Categories, and don't hesitate to leave a note on the help desk.

BotMultichillT (talk) 05:58, 2 January 2009 (UTC)

File:Subileus.png[edit]

Hallo Michael. Du hast die Datei hierhin transferiert und danach die Quelldatei bei Wikibooks gelöscht (und für Nicht-Admins „uneinsehbar“ gemacht), gleichzeitig aber den BotMoveToCommons-Baustein vergessen zu entfernen. --Leyo 23:25, 3 October 2010 (UTC)

Danke, ich überprüfe nochmal die Details und Lösche dann die Seite -- MichaelFrey (talk) 15:55, 5 October 2010 (UTC)
Danke auch. --Leyo 16:07, 5 October 2010 (UTC)

File:Mermaid_Princess.svg[edit]

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deerstop. 10:34, 5 March 2011 (UTC)

File:Ringregister Impuls.svg[edit]

Auf de-Wikibooks wurde gerade ein Kommentar unter de:b:Datei Diskussion:Ringregister Impuls.svg eingefügt. Bitte prüfe den Sachverhalt. Danke! Juetho (talk) 06:58, 14 April 2011 (UTC)

File:4_Bit_Ring_Counter_Overbeck.svg[edit]

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210.212.90.177 09:50, 8 October 2011 (UTC)

Copyright status: File:Monoflop (OR) Simulation 1.png[edit]

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Thanks for uploading File:Monoflop (OR) Simulation 1.png. I notice that the file page either doesn't contain enough information about the license or it contains contradictory information about the license, so the copyright status is unclear.

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JuTa 16:40, 4 August 2013 (UTC)

Flip-flops[edit]

Wo sind den die Zwei-Flanken-gesteuerten? --Hans Haase (talk,express talk) 18:28, 20 December 2013 (UTC)

Hallo Hans, siehe dazu https://de.wikibooks.org/wiki/Digitale_Schaltungstechnik/_Flipflop/_JK-Flipflop_MS/_Herleitung --MichaelFrey (talk) 08:29, 21 December 2013 (UTC)
Sehr schön gemacht, nur hatte ich nur in der WP gesucht und der Artikel w:de:Flipflop ist im Bezug auf die Zwei-Flanken-gesteuerten auf Wörterbuchniveau. Bevor ich weiterlese? Ist der PLL, Synthesizer, Synchron und Async~-Zähler schon drin? --Hans Haase (talk,express talk) 22:13, 22 December 2013 (UTC)
Wikipedia ist für mich immer Heikel:
Mal hat der Artikel zuviele Informationen und ist deshalb und Lesbar.
Mal fehlen dem Artikel "wichtige" Aspekte.
Oft mal ist sogar beides der Fall, weil beide Ziele sich aus schliessen.
Um das magische Dreieck zu bilden, fehlt noch die Didaktik, welche den Umfang nochmal erweitert und durch Verallgemeinerungen wichtige Aspekte aus lässt.
Ganz ehrlich: Wer was "bestimmtes" sucht, sollte sich ein Fachbuch oder Application Notes nehmen.
-- MichaelFrey (talk) 16:10, 31 December 2013 (UTC)
Und ein Teil gibt es schon. Frage: Bist Du sciher, ob der Datei:4 bit counter.svg funtioniert? Ich denke der hat Probleme mit der Laufzeit der in Serie geschalteten Und-Gatter. Diese führen zum Fehler, das der CLK der höheren Bits zu früh ankommen wird. --Hans Haase (talk,express talk) 22:23, 22 December 2013 (UTC)
4 bit counter.svg
Das Funktioniert, weil der Clock ja gleichzeitig bei allen Gattern ankommt.
Da es eine Synchrone Schaltung ist, hat die Schaltung den Nächsten Zustand so zusagen schon berechnet, bevor der Clock kommt.
Bei Syncronzählern mit D-Fliflop sieht man dieses Prinzip am besten.
Klar, wenn ich die Taktfrequenz beliebig erhöhe, hat die Schaltung ein Problem, aber das haben alle Digitalschaltungen.
Das Problem ist dann aber sogar eher umgekehrt: Wenn die Clock-Signale schneller kommen als die Flipflops und Gatter reagieren können, dann gibt es ein Chaos, weil die Logik sozusagen nicht mehr hinterher kommt.
-- MichaelFrey (talk) 16:10, 31 December 2013 (UTC)

Copyright status: File:Discret Voltage Regulator 020.svg[edit]

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And also:

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File:US5800311 Wrist exerciser.PNG[edit]

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Davidwr (talk) 02:48, 1 June 2014 (UTC)

Möglicher Fehler, allerdings ist mein letzter Mathe-Unterricht lange her.[edit]

Hallo Herr Frey,

ich habe gerade diesen Eintrag von Ihnen gelesen: Linearisierung von resistiven Sensoren/ Pt100

Beim Umstellen der Gesamtformel nach T ist mir allerdings etwas aufgefallen, das mir seltsam vorkommt. Ich meine diesen Abschnitt hier:

Zitat:

Umstellen der Gesamtformel[edit]

Die Gesamtformel lautet:

Da das Handieren mit Zahlenwerten unübersichtlich ist, verwenden wir Variablen zum umstellen:

wobei

Zitat Ende;

Müsste die Ersetzung der Zahlenwerte durch die Variablen nicht so heißen:

die ist doch in der Variablen p schon enthalten und eine Variable e gibt es nicht, sie ist doch als r aufgeführt.

Ansonsten vielen Dank für den Artikel, er hat mir sehr weitergeholfen.

Gruß Thorsten Bergler — Preceding unsigned comment added by 217.6.77.69 (talk • contribs)

File:Agnes GEREB checking the heart-beat of the fetus at a homebirth-rotated.jpg[edit]

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Sujalajus (talk) 11:46, 7 May 2016 (UTC)

Atkinson Utilite' and Brayton Hydrocabon / (ready motor) engines[edit]

Hello Michael, Would you consider making animations for these engines? I don't believe there are any animations for these engines and I think you are the best candidate to make them. As you can see there are many different versions of the Brayton engines... There are 4 different types... 1872 vapor, 1874 oil engine, 1887 4 stroke direct injection, and 1890 air blast. Please contact me if you have any questions... Thank you for all of your animations. John — Preceding unsigned comment added by Imotorhead64 (talk • contribs) 19:30, 02 September 2016 (UTC)

Lovely - I will give it a look. It is pretty easy for me to make an animation when I have good side view, so I will start with those.
I will also look for patent drawings. Those tend to be side views, so it is trival to get lengths and ratios.
-- MichaelFrey (talk) 06:08, 3 September 2016 (UTC)
for "Atkinson's Utilite' engine 1892" it would help me a lot if I would have a description what each number refers to.
Now that I think about it: I do not even know in which direction the engine turns.
I can not find the patent online.
-- MichaelFrey (talk) 08:03, 3 September 2016 (UTC)

File:Triturus boscai-2.jpg[edit]

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Elisardojm (talk) 01:37, 9 December 2016 (UTC)

Axial Piston Pump[edit]

Ihren Axial Piston pump animation ist sehr geil. Ausgeseichnet! Egmason (talk) 23:58, 4 November 2017 (UTC)