Input voltage levels...

[Brian Carling]

Piece of cake! Just get a small filament transformer and connect the secondary in a
"series-bucking" configuration per the ARRL handbook and other texts.

Probably cost you $5-10 tops.

On 25 May 2001, at 14:09, al winfrey wrote:

> Ed,
>
> That's a coincidence!  I was just in the garage working on a Heath H-27 dual 8" floppy
> drive. It has a bad voltage regulator which was being driven too hot by the power
> source.  Pass transistors are not cheap nowadays and  I was just saying that I wish I
> could drop back a few volts on the input to place it back into specs. I'd be interested
> in the details of this reducer!
>
>
> al winfrey - wa9hsl
> ....
>
> Ed B Richards wrote:
>
> > I think you should look at the line voltage also. A lot of older
> > (Heathkit) equipment was made when the line voltage was lower. Some of my
> > Heathkits specify 115 volts. Using them on today's 122 volts can cause
> > premature failure. I can send you free info on making a simple voltage
> > reducer or I can supply finished units from 150 watts to 1265 watts.
> >
> > Regards,
> >
> > Ed Richards
>
> Listserver Subscription:listserv at listserv.tempe.gov - "subscribe heath 'name' 'call'"
> Listserver Submissions: heath at listserv.tempe.gov
> Listserver Unsubscribe: listserv at listserv.tempe.gov - -"signoff heath"

Listserver Subscription:listserv at listserv.tempe.gov - "subscribe heath 'name' 'call'"
Listserver Submissions: heath at listserv.tempe.gov
Listserver Unsubscribe: listserv at listserv.tempe.gov - -"signoff heath"