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Re: Charging Choke



Original poster: "Allanh by way of Terry Fritz <twftesla-at-qwest-dot-net>" <allanh-at-starband-dot-net>

Here's my two cents worth. In all my coils, I put the
diodes before the choke for a good reason, to protect the
diodes from the R.F. energy on the other side of the choke.  If you are
after the higher voltage "kick" provided by the counter emf developed in the
choke then it is even more important to put a diode before the choke. Some
folks call this a "de-queing" diode.

allan

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, March 29, 2002 9:53 AM
Subject: Charging Choke


> Original poster: "LWRobertson by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<LWRobertson-at-email.msn-dot-com>
>
> In almost every schematic I've seen using a charging
> choke and diode, the choke is placed before the diode.
>
> This leaves the diode looking straight into a spark gap,
> usually. One would intuitivly think placing the diode
> behind the choke would protect the diode from transient
> spark gap behavior, but this must  be untrue or everyone
> from from Sandia to Livermore would do it that way.
>
> IS there a good reason to put the diode after the choke?
>
> LR
>
>
>
>
>