Praxis: Amateurfunkbasteln für Praktiker

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Röhrentechnik

Threads
4
Posts
47
Last Posts
makearadio
DF2OK August 18, 2024 at 7:08 PM
Elektor Sonderheft "Röhrentechnik von 6 bis 60 V"
DK3RED August 11, 2024 at 7:11 PM

    2. Spulen wickeln: Heisses Ende, kaltes Ende, Wickelsinn - Mythos oder Wahrheit? 8

      • DL2FI
      • July 10, 2007 at 12:50 PM
      • DL2FI
      • February 9, 2009 at 10:36 PM
    3. Replies
      8
      Views
      23k
      8

    4. DK2TA

      February 9, 2009 at 10:36 PM

    2. Lötkolben - ein Irrtum 21

      • DL2FI
      • October 8, 2008 at 9:08 AM
      • DL2FI
      • October 13, 2022 at 12:47 PM
    3. Replies
      21
      Views
      29k
      21

    4. OM4VK

      October 13, 2022 at 12:47 PM

    2. DualGate MOS ausmessen 17

      • DL0AQB
      • April 1, 2008 at 9:06 AM
      • DL0AQB
      • December 2, 2015 at 10:09 AM
    3. Replies
      17
      Views
      24k
      17

    4. DL3ARW

      December 2, 2015 at 10:09 AM

    2. Selbsterregung bei HF Leistungstransistoren 13

      • DL2FI
      • May 4, 2009 at 10:16 AM
      • DL2FI
      • September 8, 2015 at 12:29 PM
    3. Replies
      13
      Views
      17k
      13

    4. DF7BL

      September 8, 2015 at 12:29 PM

    2. Funkmessplatz für QRP Bastler - ein Aufruf zur Gemeinschaftsarbeit 39

      • DL2FI
      • May 30, 2007 at 10:18 AM
      • DL2FI
      • April 14, 2008 at 2:49 PM
    3. Replies
      39
      Views
      53k
      39

    4. DL6MBI

      April 14, 2008 at 2:49 PM

    2. Eigenbau 3

      • DH8DX
      • January 7, 2008 at 8:26 PM
      • DH8DX
      • January 8, 2008 at 7:04 AM
    3. Replies
      3
      Views
      11k
      3

    4. DH8DX

      January 8, 2008 at 7:04 AM

    2. Anregungen für Selbstbauer 6

      • DL2KI
      • February 7, 2026 at 5:15 PM
      • DL2KI
      • February 8, 2026 at 11:33 AM
    3. Replies
      6
      Views
      863
      6

    4. DF2OK

      February 8, 2026 at 11:33 AM

    2. Bandpassfilter bauen mit Ersatzspulen für TOKO 10x10 13

      • DL3BLA
      • January 14, 2026 at 5:20 PM
      • DL3BLA
      • February 6, 2026 at 7:44 PM
    3. Replies
      13
      Views
      820
      13

    4. DH4YM

      February 6, 2026 at 7:44 PM

    2. DIY Projekt Semi-automatic Bug (Schlackertaste) selbst gebaut 9

      • DK5EI
      • January 16, 2021 at 10:54 AM
      • DK5EI
      • January 23, 2026 at 8:26 AM
    3. Replies
      9
      Views
      4.6k
      9

    4. DK4XL

      January 23, 2026 at 8:26 AM

    2. Bezugsquelle gesucht: Feintrieb für Drehko mit 6mm-Achse 32

      • DH8DAP
      • January 14, 2026 at 5:35 PM
      • DH8DAP
      • January 20, 2026 at 10:42 AM
    3. Replies
      32
      Views
      2.2k
      32

    4. DF4JY

      January 20, 2026 at 10:42 AM

    2. Minicircuits ringmixer drive levels 1

      • PE1HZG
      • December 22, 2025 at 2:30 PM
      • PE1HZG
      • December 22, 2025 at 5:38 PM
    3. Replies
      1
      Views
      387
      1

    4. DL2JAS

      December 22, 2025 at 5:38 PM

    2. ACoC - Advent Calender of Circuits von VK2ZAY

      • DK4BF
      • December 14, 2025 at 6:35 PM
      • DK4BF
      • December 14, 2025 at 6:35 PM
    3. Replies
      0
      Views
      297

    2. Trafo 2

      • oe5brl
      • December 8, 2025 at 2:50 PM
      • oe5brl
      • December 8, 2025 at 6:41 PM
    3. Replies
      2
      Views
      656
      2

    4. oe5brl

      December 8, 2025 at 6:41 PM

    2. QMX * 18

      • DF4JY
      • November 27, 2025 at 7:38 PM
      • DF4JY
      • November 30, 2025 at 11:37 AM
    3. Replies
      18
      Views
      1.7k
      18

    4. DF4JY

      November 30, 2025 at 11:37 AM

    2. Glasfaser und Remotebetrieb 12

      • DM2DZM
      • September 1, 2025 at 7:51 AM
      • DM2DZM
      • September 2, 2025 at 7:13 AM
    3. Replies
      12
      Views
      1.8k
      12

    4. DM2DZM

      September 2, 2025 at 7:13 AM

    2. Relaisklicks und ihre unterschiedliche Wahrnehmung, meine Erfahrungen 3

      • DL8LRZ
      • August 31, 2025 at 12:38 PM
      • DL8LRZ
      • August 31, 2025 at 2:30 PM
    3. Replies
      3
      Views
      582
      3

    4. DL8LRZ

      August 31, 2025 at 2:30 PM

    2. EFHW. Position des Kondensators, Primär oder Sekundärseite 4

      • DD5NT
      • June 24, 2025 at 6:41 PM
      • DD5NT
      • June 24, 2025 at 9:46 PM
    3. Replies
      4
      Views
      824
      4

    4. DH5AK

      June 24, 2025 at 9:46 PM

    2. Wickelsinn bei SMCC Festinduktivitäten ? 25

      • DL3RAD
      • June 6, 2025 at 2:05 PM
      • DL3RAD
      • June 9, 2025 at 7:54 PM
    3. Replies
      25
      Views
      3.1k
      25

    4. DH4YM

      June 9, 2025 at 7:54 PM

    2. Spulenwickeln bei den Profis... 9

      • DB5ZG
      • May 2, 2025 at 8:42 PM
      • DB5ZG
      • May 3, 2025 at 9:20 PM
    3. Replies
      9
      Views
      1.5k
      9

    4. DF2OK

      May 3, 2025 at 9:20 PM

    2. Auto-Antennentuner nach N7DDC 326

      • DF7DJ
      • November 2, 2020 at 8:25 AM
      • DF7DJ
      • February 5, 2025 at 5:58 PM
    3. Replies
      326
      Views
      186k
      326

    4. dl4jal

      February 5, 2025 at 5:58 PM

    2. Unbekannte Diode aus Festo Netzteil 10

      • DL3BLA
      • January 27, 2025 at 1:03 PM
      • DL3BLA
      • January 28, 2025 at 2:18 PM
    3. Replies
      10
      Views
      2.6k
      10

    4. DL3BLA

      January 28, 2025 at 2:18 PM

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