|[AMRadio] Re: WTB: HV Tranny|
bluebirdtele at embarqmail.com
Wed Feb 6 12:31:23 EST 2008
Is this for an AF 67? I just built up a supply for my AF 67 and that's
pretty much what the circuit calls for.
Do you need a tapped secondary for the dual HV or can you do it via the
"Economy Supply" method of lifting the secondary CT ground and taking 1/2
total voltage for the low B plus supply?
To do that you will need a 400 vac ct transformer at 225 ma. and a full wave
The best place to look for those is Ebay.
Gave a good day
----- Original Message -----
From: "JT Croteau" <jt.n1ese at gmail.com>
To: "Discussion of AM Radio in the Amateur Service"
<amradio at mailman.qth.net>
Sent: Wednesday, February 06, 2008 10:40 AM
Subject: [AMRadio] Re: WTB: HV Tranny
> Single HV trannies with filament voltages would also work. Basically,
> I am looking for a transformer combination that will give me 5V, 6.3V,
> 400V, and 700V.
> On Feb 6, 2008 8:22 AM, JT Croteau <jt.n1ese at gmail.com> wrote:
>> Looking for a high voltage tranny with 115V Primary and secondary
>> tapped for both 400V and 700V along with a CT. I may have to go with
>> separate HV trannies but I'd rather not if possible. Power supply I
>> am building produces 230VDC @ 80ma and 475VDC @ 170 ma. Please reply
>> direct, jt.n1ese at gmail.com
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