>
To: <tentec@contesting.com>
>Date: 25 Nov 1997 09:58 EST
>From: "Dale Pendleton" <ad4yh@nortel.ca>
>Subject: [TenTec] Using the scout mobile
>
>>Now, an old trick to using a battery with a rig
>>with high peak current demand, is to parallel a large electrolytic capacitor
>>across the battery, to help even out the peak current draw. This is
>>particularly useful if the battery is starting to age, and develops higher
>>internal impedance, which limits the peak current it can deliver.
>
>This is a very good idea...It will also help you squeeze more operation
>out of a good battery as the charge drops off (on current peaks.)
>
>I dont think a battery has any internal impedance tho...unless you apply
>some AC to it. Then you will have other problems....A battery has
>internal resistance...AD4YH
and that battery impedance would be represented as R + 0j at DC.
However, that AC you mention would be referred to as the
transmitter current peaks. Then the 0j component above is no longer
0.
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