Praxis: Amateurfunkbasteln für Praktiker

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Röhrentechnik

Threads
5
Posts
61
Last Posts
Singleröhrentransceiver mit PLC86
KY4PZ September 5, 2026 at 1:25 PM
makearadio
DF2OK August 18, 2024 at 7:08 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
      24k
      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
      30k
      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
      25k
      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
      18k
      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
      56k
      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
      12k
      3

    4. DH8DX

      January 8, 2008 at 7:04 AM

    2. Eine etwas andere Antenne für 40m 82

      • DL8SFZ
      • May 5, 2026 at 4:03 PM
      • DL8SFZ
      • September 5, 2026 at 12:41 PM
    3. Replies
      82
      Views
      7.3k
      82

    4. DL8SFZ

      September 5, 2026 at 12:41 PM

    2. Variometer selber bauen, was muss man beachten? 63

      • DL8SFZ
      • June 25, 2026 at 2:56 PM
      • DL8SFZ
      • August 28, 2026 at 4:59 PM
    3. Replies
      63
      Views
      5.5k
      63

    4. DL8SFZ

      August 28, 2026 at 4:59 PM

    2. Anregungen für Selbstbauer 5

      • DL2KI
      • August 19, 2026 at 2:39 PM
      • DL2KI
      • August 22, 2026 at 7:32 PM
    3. Replies
      5
      Views
      880
      5

    4. DL2KI

      August 22, 2026 at 7:32 PM

    2. Hilfe bei QRPometer+ Eigenbau benötigt 61

      • DB5BO
      • July 26, 2026 at 5:55 PM
      • DB5BO
      • August 21, 2026 at 4:35 PM
    3. Replies
      61
      Views
      4.6k
      61

    4. DB5BO

      August 21, 2026 at 4:35 PM

    2. Liste von Elektronik-Versendern. Mit Anmerkungen. 1

      • DF2OK
      • August 15, 2026 at 7:38 PM
      • DF2OK
      • August 15, 2026 at 7:42 PM
    3. Replies
      1
      Views
      588
      1

    4. DL3LK

      August 15, 2026 at 7:42 PM

    2. Mini-ATU nach DJ1ZB 23

      • DF7DJ
      • May 16, 2022 at 11:16 AM
      • DF7DJ
      • June 9, 2026 at 10:52 AM
    3. Replies
      23
      Views
      15k
      23

    4. DF2OK

      June 9, 2026 at 10:52 AM

    2. HF-Verstärker mit BC550? 25

      • DL2JAS
      • April 17, 2026 at 9:46 PM
      • DL2JAS
      • May 24, 2026 at 8:52 PM
    3. Replies
      25
      Views
      4.2k
      25

    4. DL2JAS

      May 24, 2026 at 8:52 PM

    2. NE555 Timerchip feiert den 55. Geburtsgag 7

      • DL4ZAO
      • May 7, 2026 at 6:57 PM
      • DL4ZAO
      • May 8, 2026 at 11:46 AM
    3. Replies
      7
      Views
      1.1k
      7

    4. DL4ZAO

      May 8, 2026 at 11:46 AM

    2. CW Keyer nach K3NG Probleme 13

      • DL3BLA
      • March 10, 2026 at 11:53 AM
      • DL3BLA
      • April 27, 2026 at 4:21 PM
    3. Replies
      13
      Views
      1.9k
      13

    4. DL1EGR

      April 27, 2026 at 4:21 PM

    2. Ein Baubericht: Ein Dummy Load für 1kW mit 20 Minuten Absorbtionsdauer für 250€ 11

      • DL2AAA
      • April 6, 2026 at 2:53 PM
      • DL2AAA
      • April 8, 2026 at 1:22 PM
    3. Replies
      11
      Views
      1.6k
      11

    4. DL4ZAO

      April 8, 2026 at 1:22 PM

    2. Bezugsquelle gesucht: Feintrieb für Drehko mit 6mm-Achse 53

      • DH8DAP
      • January 14, 2026 at 5:35 PM
      • DH8DAP
      • March 4, 2026 at 12:57 PM
    3. Replies
      53
      Views
      7.7k
      53

    4. DH8DAP

      March 4, 2026 at 12:57 PM

    2. Anregungen für Selbstbauer 12

      • DL2KI
      • February 7, 2026 at 5:15 PM
      • DL2KI
      • February 11, 2026 at 4:07 PM
    3. Replies
      12
      Views
      2.7k
      12

    4. DF2OK

      February 11, 2026 at 4:07 PM

    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
      2.1k
      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
      5.5k
      9

    4. DK4XL

      January 23, 2026 at 8:26 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
      732
      1

    4. DL2JAS

      December 22, 2025 at 5:38 PM

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