Hi Paul,
I don't think (my opinion) that manufacturers will be forced by legislation to not to apply the potting compound, specially if they argue that it is essential for the environmental protection of certain products.
In order to comply with the "repairable" requirement, maybe is enough to split the antenna in two or three parts (DC bias, amplifier body, aluminium loop).
This legislation is known to some EU countries. Back in 1990 or so I remember a fellow Spanish CB-er who dropped his radio and damaged a front panel potentiometer. Legislation back them oblidged importers/distributors to:
- have a parts catalog to buy parts for a reasonable price, or
- make the requested part available by removing it from a new unit, for a reasonable price.
So my fellow CB-er got his potentiometer, but not without initial resistance (pun intended)
73,
Carlos VK1EA
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On Tuesday, October 1, 2019, PAUL UNWIN <
paul@...> wrote:
> Hi All
> I was fascinated to follow this thread on reverse engineering the MLA-30, However by coincidence whilst I was reading it a news item appeared on TV, it seems in future, due to new EU rules, all items sold commercially must be REPAIRABLE. Something to do with cutting down on disposable throw away items !
> Anyway the repercussions could be interesting for various companys like Wellbrook, ?who do indeed pot all there products, which would class them as non repairable from manufacture.?
> I've always seen potting as a dual function....one being to help protect one's intellectual property and of course keeping out the dammed water....
> To date I have never managed to keep out the moisture, or stopped water ingress into any of my preamps.
> Interesting times Paul G4HDS
>
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