Technical Topics > The RF Workbench

Hellschreiber Beacon Mk II

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Stretchyman:
Just buy the real thing, it works and has the terminals to solder the batteries in. Just supply wi the correct voltage and leave alone. Charge will terminate at correct voltage and go O/C when near flat. A total no brainer. Comes in LiFePo and Lipo flavours.

Anyone building a beacon would be well advised to use such.

So LiPo, Attiny and class E, + a PCB.

Maybe get round to it one day..

Str.

Radiotech:
You are probably right streachyman, my designs will never become very usefull or efficient, designing things my self(without propper expertise) and soldering together old parts is probably a waste of time.  :) It is summer time so i will throw out this old project and spend some time in the sun instead  8)

Stretchyman:
Ha ha! Just that being an Engineer or 'Racio Tech' it's good to try to make the best design is it not? There's load loads of old published designs around that weren't much good when they were current and now with new devices, parts and techniques there's a fairly decent and efficient design to make I think.

Please look at the advice given as I think if heeded you'd have a really good design.

Please design a PCB, they're very simple and so cheap making it a piece of cake to put the circuit together.

Sounds like you're having fun.

Keep it up!

All the best from Blighty.

Str.

Charlie_Dont_Surf:

--- Quote from: Stretchyman on July 02, 2022, 1213 UTC ---You seem bent on using old inefficient technology at every step.

I'll leave you to it bud.

--- End quote ---


--- Quote from: Stretchyman on July 01, 2022, 1648 UTC ---Another suggestion (I really don't know why I bother!)


--- End quote ---


--- Quote from: Stretchyman on June 30, 2022, 1848 UTC ---Why not run class E, way more efficient and will consume far less current for same O/P.

Gave you loads of advice as have others but you seem stuck in the past with a design from the 1950's


--- End quote ---

Not satisfied with rubbing people the wrong way on another forum with a similar line of criticisms, you have to continue to do it here too. (Shaking my head.) I actually happen to agree with you in your general thrust on that other board about using obsolete transistors and boat-anchor-style construction techniques but I would not have conducted myself in the same manner.

Pigmeat:
Stretchy is from the UK. The Sun, the thing that powers solar panels, is just a rumor over there in Cloud Land. Being an island nation they prefer windmills. They're building a huge array of them on Guernsey. I hope the cows and sheep aren't lifted off to France by the vortex.

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