RE: 3-1000z coil, more questions

["Basura, Brian" <brian.basura@unistudios.com> (by way of Terry Fritz <twftesla@uswest.net>)]

Ross/Finn,

It can also be done with cheaper SPST switches:


	(As usual - Please view in a fixed-width font such as Courier)

                           /
                          /
                   o----o/    0------------o
                   |                       )
                   |                       )
                   |                       ) Plate Xfmr
                   |------------|          )
                                |          )
                                |   +------o
                           /    |   |
                          /     |   |
                   o----o/    0-o--- )-----o
                   |                |      )
   o---------------+                |      )
                                    |      ) Fil. Xfmr
                                    |      )
    Line in                         |      )
                                    |      )
   o--------------------------------o------o


>-----Original Message-----
>From: Tesla list [mailto:tesla@pupman.com]
>Sent: Tuesday, August 01, 2000 4:09 PM
>To: tesla@pupman.com
>Subject: Re: 3-1000z coil, more questions
>
>
>Original poster: "Finn Hammer" <f-hammer@post5.tele.dk> 
>
>Ross!
>
>I noticed on your schematic, that you are aware of the need to turn the
>filaments on, before applying plate voltage.
>
>Here is a clever arrangement of 2 DPST switches, ensuring that no matter
>switch is thrown first, the filament transformer is sure to get the
>juice first.
<snip>