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Author Topic: Long Dasher On 4069.4  (Read 4132 times)

Offline syfr

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Re: Long Dasher On 4069.4
« Reply #15 on: April 16, 2024, 2240 UTC »
"Using the LM339 comparator and a 78L05 low dropout regulator for a voltage reference, a simple low voltage disconnect can be built"

That's true. I'm a big fan of the little 78L05's . They're cheap and efficient and perfect for QRP applications.
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