| To: | R L Measures <r@somis.org>,Partain Chuck <Chuck_Partain@maxtor.com> |
|---|---|
| Subject: | Re: [Amps] tank coil heating |
| From: | Peter Chadwick <g3rzp@g3rzp.wanadoo.co.uk> |
| Reply-to: | g3rzp@g3rzp.wanadoo.co.uk |
| Date: | Thu, 11 May 2006 09:34:56 +0200 (CEST) |
| List-post: | <mailto:amps@contesting.com> |
Rich said: >N4700 is not designed for tuned circuits, it's for coupling and bypassing. < >From memory, the dielectric loss is higher on N4700. So not only does it have >a poor temperature coefficient, it's lossier, too. Figure that you can have 10 or 20 amps of RF running through that cap, so you can easily get a fair amount of dissipation in it. The application needs an NP0 cap. 73 Peter G3RZP - will be at Dayton. _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps |
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