[ARC5] Help

Thomas Scherer w2kbw1520 at gmail.com
Sat Oct 1 15:38:11 EDT 2016


 I recently build up a power supply for my BC-459 Transmitter.

> All voltages are ok and made most of the the required mods within.
> all  nos tubes.
>
> The transmitter is producing abt 35 watts output with 600 volts on the
plate.
> 300 vdc sg
> 215 vdc osc
> 24 vdc Fil Switching supply
>      http://www.jameco.com/z/S-150-24-Mean-Well-AC-to-DC-Power-
Supply-Single-Output-24-Volt-6-5-Amp-156-Watt_123450.html
>
> However when I key the transmitter, the note changes its tone severely.
>
> one of the obvious problems is the eye tube doesn’t open when the
transmitter is tuned to the 8kc calib.crystal.
> ?? It may have nothing to do with the problem (perhaps a bad crystal)
    any suggestions??
  Thanks,
  - - Tom w2kbw
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