Steve Katz wrote:
>I sure agree with that. I use high quality avalanche rectifiers and
>never use capacitors across them.
>
>We built the HV rectifier for the targeting RADAR systems for the
>Patriot and Patriot II missiles for many years and the silly Army spec
>included capacitors across the rectifiers. They served no purpose
>whatever except to add cost and reduce reliability, so we called the
>assembly a "rectifier compensated capacitor stack." In the field, the
>only things that ever failed, out of more than 30,000 assemblies
>shipped, were the capacitors themselves. The MTBF of the rectifiers
>was essentially infinity, but the assembly MTBF was much smaller due to
>the capacitors.
>
How much were you over-designing on the nominal PIV?
--
73 from Ian GM3SEK
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