Donald Chester wrote: > >From: Charles Ring W3NU <[EMAIL PROTECTED]> > > > > > Someone else said that the output was > > > > > > High voltage 2400-1750-0-1750-2400VAC, DC voltage 2000/1500, 300 mA > >continuous > > > > > > yet the critter is labled (engraved, even) 3500 and 4800. That's > >-gotta- be > > > across > > > the entire secondaries... > > >...it's the same rating, with the center tap as the zero reference. > >The DC voltage is based on a full wave rectifier using the center tap. > > Be careful when using such a transformer in a full wave bridge ciccuit. > Sometimes transformers designed for full wave CT operation do not have HV > insulation at the CT, since it is assumed by the manufacturer to be at > ground potential. Running it in a FWB could result in a zorch to ground at > the CT of the winding. > > The same precaution is recommended when placing the filter choke between CT > and ground instead of the more traditional positive side of the filter. The > high ripple voltage that appears across the choke will also appear at the > transformer CT and could cause failure of the transformer. > > I'll look up those ratings in my UTC catalogue this evening and verify. > > Don K4KYV >
In the 1967 (not 1957) Radio-Electronic Master, I see a CG-305W listed which has the same ratings plus a note that it is meant for either a bridge or center tap full wave rectifier. 73 de W3NU
