[Elecraft] [KX3] Boost Buck 13.8 V Regulator

[David Cutter]

I will try a simple low dropout regulator for mine.

David
G3UNA

----- Original Message ----- 
From: "Don Nelson" <n0ye at comcast.net>
To: <elecraft at mailman.qth.net>
Sent: Monday, May 13, 2013 11:56 AM
Subject: Re: [Elecraft] [KX3] Boost Buck 13.8 V Regulator


> Glen,
>
> There a number of down converters from which you could choose to run the 
> KX3 off of a higher supply voltage - and they are inexpensive. Below is 
> the ebay listing for one such device. I have this one on order to test. I 
> have yet to get it and can not validate it yet. Do note that the output 
> voltage has to be 1.5 volts below the input voltage. Most important will 
> be the RFI it may generate.
>
> Don, N0YE
>
>
>
> http://www.ebay.com/itm/LM2596-DC-DC-Power-Converter-3-2V-40V-to-1-25V-37V-Step-Down-Power-Supply-Module-/230964091763?pt=LH_DefaultDomain_0&hash=item35c6885b73
>
>
> On 5/13/2013 12:38 AM, Glen Torr wrote:
>> Hi All,
>>
>> I have a KX3 and am doing some SOTA activations.
>>
>> I have obtained a 4S LiPo battery which is somewhere north of 16 V with
>> full charge.
>>
>> I would like to get a DC-DC regulator as a more elegany solution than
>> series diodes.
>>
>> I have searched and searched but no solid outcomes.
>>
>> Anyone have any input on where to find such a regulator?
>>
>> Many Thanks,
>>
>> Glen
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