Hi Paul! What do you use?
73 Neal Campbell Abroham Neal LLC On Thu, Jun 12, 2014 at 9:37 AM, Paul <[email protected]> wrote: > There is an over voltage protection circuit on the output circuit in the > RM-35 but it usually blows out, protecting the fuse on the input to the > supply and destroying the attached radio. > > I cannot understand why Astron has such a good reputation with such a poor > design. > > Paul, W8AEF > > -----Original Message----- From: Ray, K9DUR > Sent: Thursday, June 12, 2014 4:25 AM > To: 'Dudley Hurry' ; 'Dave Movius' > > Cc: [email protected] > Subject: Re: [Flexradio] Power Supply Advice > > Dudley, > > I agree. Our club had an Astron RM-35 that had the series pass transistor > fail (short). The output voltage went to the maximum provided by the > transformer & the 2 rigs connected to it were damaged. The Yaesu FT-950 > was > repairable, but a Yaesu FM rig was not economical to repair. > > A problem with linear supplies is that if the series transistor fails, the > result is a serious over-voltage situation. > > 73, Ray, K9DUR > http://k9dur.info > > > _______________________________________________ > FlexRadio Systems Mailing List > [email protected] > To opt out of the Reflector: > http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz > _______________________________________________ FlexRadio Systems Mailing List [email protected] To opt out of the Reflector: http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz

