User contributions for Herbertweidner
A user with 13 edits. Account created on 14 July 2006.
27 September 2013
- 22:3422:34, 27 September 2013 diff hist +288 N File:Plane wave animation.gif {{Information |Description=Animation of a slow moving sine wave. |Source={{own}} |Date=2013-09-27 |Author= Herbertweidner |Permission= |other_versions= }} Category:Animations of plane waves
28 April 2013
- 12:1412:14, 28 April 2013 diff hist +567 N File:LNB partx.jpg {{Information |Description ={{en|1=details of a LNB showing Lambda/4-stubs, starting at x-points.}} {{de|1=Datailansicht einer LNB-Platine mit markierten Lambda/4-Leitungen (rote x). Die Ansicht umfasst die Antenne, drei Verstärkerstufen.}} |Source...
14 March 2013
- 16:2516:25, 14 March 2013 diff hist +423 N File:IR Fussbodenheizung.jpg {{Information |Description ={{en|1=Floor heating below the author's chair.}} {{de|1=Fussbodenheizung unter Keramikfliesen. Der Fotograf sass unmittelbar vor der Aufnahme auf dem Sessel vor dem Laptop.}} |Source ={{own}} |Author =[[Us...
- 16:0216:02, 14 March 2013 diff hist +550 N File:IR moving mercedes.jpg {{Information |Description ={{en|1=Infrared photo of a movig car.}} {{de|1=Infrarotaufnahme eines fahrenden Autos. Man erkennt keine Insassen, weil Glas keine IR-Strahlung passieren lässt. Stattdessen wird die geringe IR-Strahlung des Himmels refle...
- 15:5415:54, 14 March 2013 diff hist +418 N File:IR moving car.jpg {{Information |Description=Infrared picture of a moving car during a cold winter evening. The tyres emit more IR light than the front lights. The windshield reflects IR from the sky and prevents the escape of IR from the interior. |Source={{own}} |Date...
6 February 2013
- 16:5616:56, 6 February 2013 diff hist +565 N File:SCR power rectifiers.jpg {{Information |Description=top left: rectifier 1000 V/ 200 A; bottom left: SCR 1500 V / 20 A; right: SCR 1500 V /120 A; The silicon plates are soldered on Wolfram (Tungsten) and covered with gold; the heatsink is not shown, because it is much bigger; 1...
25 January 2013
- 13:2613:26, 25 January 2013 diff hist +621 N File:Ssb spec.gif {{Information |Description ={{en|1=animated picture showing the spectrum of a SSB transmitter. If the frequency of the modulation signal changes, so does the transmitted frequency. MATLAB code; compare with File:Am2 spec.gif; the carrier frequency d...
- 12:1612:16, 25 January 2013 diff hist +3,219 N File:Am2 spec.gif {{Information |Description ={{en|1=animated picture showing the spectrum of an amplitude-modulated transmitter. case-1: Frequency changes. case-2: Amplitude changes. MATLAB code}} |Source =programmed by myself |Author =~~~~ |Date ...
14 July 2006
- 11:1611:16, 14 July 2006 diff hist +149 N File:Moderner Oszillator M.GIF Description=Moderner Oszillator für etwa 1 MHz|Source=own work|Date=13.07.2006|Author=Herbert Weidner
- 11:1011:10, 14 July 2006 diff hist +191 N File:Moderner Oszillator k.GIF Description=Schaltung eines modernen Oszillators mit NPN-Transistoren für Niederfrequenz|Source=own work|Date=12.07.2006|Author=Herbert Weidner
- 11:0811:08, 14 July 2006 diff hist +170 N File:Hartley-oszillator.GIF Description=Schaltung eines Hartley-Oszillators mit NPN-Transistoren|Source=own work|Date=12.07.2006|Author=Herbert Weidner
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