[time-nuts] Low noise power supply recommendations

[Will Matney]

Bob,

I've thought about that, and also thought about the 24 volt battery packs
used in those Schwinn scooters the kids have. I can buy a 24 volt charger
cheap for those, but the batteries run about $60.00 each plus shipping, and
they are probably rated at around 4 amp hours, I think. It may be the way I
go, since I think they are Ni-Cad instead of lead-acid. The problem is, I
wonder what type of noise any voltage regulators will cause in the circuit?

Thanks,

Will

*********** REPLY SEPARATOR  ***********

On 6/14/2011 at 8:01 PM Bob Camp wrote:

>Hi
>
>Ni-cads are a pretty good bet.
>
>Bob
>
>
>
>On Jun 14, 2011, at 7:02 PM, "Will Matney" <xformer at citynet.net> wrote:
>
>> Hello,
>> 
>> I am in need of a very clean 24 Vdc power source, to replace some old
>> mercury cell batteries with. What would a good low noise, clean, power
>> supply be in your recommendations? I thought of using two 12 Vdc
lead-acid
>> batteries in series, and making a charging circuit with regulators, but
I
>> am hoping to purchase a good used supply off ebay, etc. The old circuit
>> used two 12 Vdc snap terminal mercury batteries in series, for 24 Vdc,
>> along with a 7 Vdc mercury cell, and two plain AA carbon 1.5 Vdc
batteries
>> in series for 3 volts. Any help and or ideas would be appreciated.
>> 
>> Thanks
>> 
>> Will
>> 
>> 
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