ORIGINAL MESSAGE:
On Sat, 19 Jan 2013 11:44:59 -0800, K2VCO wrote:
>mentions a 500 uh plate choke specified as RF Parts no. RFC-4L. They
>tested it and report that it has no series resonances between 1 and 100
>mHz! RF parts doesn't list this choke anymore. I would like to obtain
>such a choke -- does anyone know if it is manufactured and if so who
>sells it?
REPLY:
500 uH is rather high for amateur use. Most plate chokes are half that
or less. If you can't find what you want, RF Parts has a part number
RFC-3 that is nearly a universal choke for legal limit tube type amps.
http://www.rfparts.com/choke.html#highrf
I've used them in several amps. Highly recommended.
Ameritron sells an identical part and it might be a bit less
expensive.
Bill, W6WRT
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