Radio Circuits, Repair & Performance

The place to discuss circuits, repairs, and legal modifications/improvements to rigs and equipment.

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Replies Views
Last Message
  1. G7FPM
    Locked

    3~5 amp standard PSU

    G7FPM, Jul 23, 2012
    Replies:
    1
    Views:
    674
    K7JEM
    Jul 23, 2012
  2. N9XAW

    3SK73 in TS-530SP

    N9XAW, Mar 26, 2019
    Replies:
    7
    Views:
    354
    G4COE
    Mar 26, 2019
  3. KE8AOL

    3SK45 MOSFET lightning damage.

    KE8AOL, Apr 7, 2017
    Replies:
    3
    Views:
    732
    KE8AOL
    Apr 8, 2017
  4. K8AI

    3SK184s MESFET subsitutes?

    K8AI, Jul 2, 2016
    Replies:
    2
    Views:
    726
    W9GB
    Jul 7, 2016
  5. WA0YGQ
    Locked

    3sk131 rf amp source

    WA0YGQ, Jul 30, 2010 ... 2
    Replies:
    11
    Views:
    4,157
    N1GPT
    Aug 14, 2010
  6. N0PGR
    Locked

    3SK121 FT-726R 70cm module Q01

    N0PGR, Mar 29, 2011
    Replies:
    4
    Views:
    6,531
    W9GB
    Apr 2, 2011
  7. 3B9FR

    3B9FR NEED HELP

    3B9FR, Oct 20, 2016
    Replies:
    1
    Views:
    465
    K9YLI
    Oct 23, 2016
  8. ASIFWAHEDI
    Locked

    3.4 M dish

    ASIFWAHEDI, Aug 16, 2010
    Replies:
    0
    Views:
    723
    ASIFWAHEDI
    Aug 16, 2010
  9. HG5AZR
    Locked

    2x100 kohm dual potmeter (RIT/VXO)for Belcom LS-202E 2m handy transceiver?

    HG5AZR, Jul 6, 2014
    Replies:
    1
    Views:
    553
    G4COE
    Jul 7, 2014
  10. WD8BWW

    2sc3133 replacements

    WD8BWW, Jun 10, 2016
    Replies:
    5
    Views:
    2,621
    WD8BWW
    Jun 16, 2016
  11. K2CB

    2SC3133

    K2CB, Aug 19, 2016 ... 2
    Replies:
    18
    Views:
    3,430
    KA5IPF
    Jun 25, 2020
  12. HG5AZR
    Locked

    2SC2785 E49F and 2SC2785 K4XF

    HG5AZR, Apr 11, 2013
    Replies:
    5
    Views:
    729
    KE3WD
    Apr 11, 2013
  13. KK6VQK

    2sc2509 source/substitution, NTE236?

    KK6VQK, Feb 24, 2019 ... 3 4 5
    Replies:
    46
    Views:
    4,823
    W9GB
    Mar 15, 2020
  14. G4EDG
    Locked

    2SC2509

    G4EDG, Dec 9, 2008
    Replies:
    8
    Views:
    12,862
    KD8DEY
    Jan 15, 2009
  15. K2CB

    2SC1972 Source?

    K2CB, Apr 26, 2016 ... 6 7 8
    Replies:
    74
    Views:
    12,921
    AF6LJ
    Aug 22, 2016
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