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T Power from battery pack - Capacitors?


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Dear community,

I would like to make a simple "T" power supply for my old 416T, intended to be used on a wireless boom. I don't want to use a barrel style adapter, as that kind of adapter eats up lots of power just to convert the P48 to T12, and I don't want to be changing batteries on a plug-on TX every hour. Plus, using external power would allow me to use basically any TX.

I already have a lightweight 12V Li-Ion rechargeable (which actually gave me the idea for that project), so that's no problem.

However I can't find any reliable diagrams on the web, they all show the 180 Ohms resistors but differ widely in coupling capacitor values. Any pointers?

THX in advance

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