[Amps] Drake L7 in need of TLC? Advice please!

R.Measures r at somis.org
Fri Jan 30 03:31:44 EST 2004



>Hi guys,
>
>Many thanks for all the advice about my L7's PSU chaps, all much 
>appreciated. I am awaiting arrival of new capacitors and will order 
>larger diodes plus new capacitor equalising resistors 

**  'Equalizing resistors' tend to unequalize the reverse currents in 
seriesed  diodes.  Mfgs of HV Si diode rectifier stacks caught on to this 
about 25 years ago,  [subject discussed in recent ARRL Handbooks]

>and a couple of 10 
>ohm glass coated wirewounds for glitch protection. Seems best not to 
>bother with the diode equaliser resistors I gather? - but I still have 
>to have capacitor equalisers right?
>
>I will also be investigating adding a step-start circuit, any 
>suggestions of what's best to use please?
>
>Again thanks for your advice so far, I feel honoured to be receiving 
>help from such authorities on the subject!
>
>73 de Tyron, M1AQV
>
>
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