[NJARC] Battery eliminator idea

[Al Klase]

Sorry about that.  I wasn't there that day. Ned somebody to keep me 
straight. :-) - Al

On 3/17/2013 11:25 AM, Mike Feher wrote:
> Whoops - 3 more zero's Al for a total of 6. 73 - Mike
> Mike B. Feher, N4FS
> 89 Arnold Blvd.
> Howell, NJ, 07731
> 732-886-5960
>
>
> -----Original Message-----
> From: njarc-bounces at mailman.qth.net [mailto:njarc-bounces at mailman.qth.net]
> On Behalf Of Al Klase
> Sent: Sunday, March 17, 2013 11:10 AM
> To: njarc at mailman.qth.net
> Subject: Re: [NJARC] Battery eliminator idea
>
> Just remember
> Reply = Poster
> Reply All = Everyone
>
> _________________________________________________________
> Steve,
>
> If I had the room, I'd use two 6.3 volt transformers back-to-back, and
> reduce the shock hazard.
>
> Consider using an LM317 regulator to keep the A supply where you want it,
> and zener diodes to control at least the C supply.
>
> I assume you meant uF where you said pF.  What's three zero's among friends?
>
> Al
>
> On 3/17/2013 8:01 AM, sgt88 at atlanticbb.net wrote:
>> Just remember
>> Reply = Poster
>> Reply All = Everyone
>>
>> _________________________________________________________
>> I'd like to make/put one into the radio case.
>>
>> 1.  use the 115VAC in a transformerless rectifier ( IC package ) +
>> 500Pf cap with B & C voltage divider; 2.  use a 5 or 6.3 volt filiment
>> xmfr with rectifier ( IC package ) + 500Pf cap for the A.
>>
>> Seems like it'd be cheap and small...
>>
>> Comments please,
>> Steve T.
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>> 03/16/13
> --
> Al Klase - N3FRQ
> Jersey City, NJ
> http://www.skywaves.ar88.net/
>
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-- 
Al Klase - N3FRQ
Jersey City, NJ
http://www.skywaves.ar88.net/