[ARC5] Cap Question
J. Forster
jfor at quik.com
Sat Jun 12 23:04:34 EDT 2010
Thanks Robert.
I did not say there were no electrolytics. I said there were no Tantalums.
There are certainly electrolytics. I was working on a BC-453-B a couple of
days ago.
Best,
-John
===========
> Actually, the correct version is that tantalum capacitors were not used in
> the AN/ARC-5 components. There are, however, some electrolytic capacitors
> used. For example, C30 is a 15 ufd 35 VDC electrolytic used as 12A6
> cathode
> bypass in the COMM receivers and as a DC blocking capacitor in the ILS
> output in the NAV receivers. C32, 5 ufd 300 VDC, is used in all five
> receivers
> on the output of the B+ filter from the dynamotor. The triple 0.22 ufd
> 300
> VDC capacitor used in the receivers has paper dielectric.
>
> In a message dated 6/12/2010 9:08:08 PM Central Daylight Time,
> olegerityincj at austin.rr.com writes:
>> Wayne -
>> I second the Email by John Foster - no poloarized caps were never used
>> in ARC5 equipment.
>> -Hutch
>>
>>
>> On 6/12/2010 12:11 PM, Robert Eleazer wrote:
>> >Does anyone know if there is any technical problem with replacing
>> polarized 0.22 mfd tantalum caps with non-polarized 0.22 mfd ceramic
>> bead caps?
>> >
>> >The original tantalums in my ARC-5/TS-820S are getting old and I am
>> considering a swap out on general principles.
>> >
>> >Thanks,
>> >
>> >Wayne
>> >WB5WSV
>> >
>
> Robert & Susan Downs - Houston
> wa5cab dot com (Web Store)
> MVPA 9480
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