Yes, it can be locked. ARRL SDR Working Group Chair, AMSAT VP Engineering. Member: ARRL, AMSAT, AMSAT-DL, TAPR, Packrats, NJQRP, QRP ARCI, QCWA, FRC. "Trample the slow .... Hurdle the dead"
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Brian Lloyd Sent: Wednesday, July 02, 2008 3:40 PM To: David Hilton-Jones Cc: flexradio@flex-radio.biz Subject: Re: [Flexradio] 144 and 432 - Low vs High Power Design On Jul 1, 2008, at 11:23 PM, David Hilton-Jones wrote: > I suggest that there are two important issues to consider: > > 1) Power output. I have a strong preference for 50-60 watts - that > allows driving of a 13db triode to 1kw. Intermediate amplifiers are > undesirable. You also want lower outputs needed by mixer stages for microwave converters. > 2) Stability - for digital modes standard crystal oscillators are > not stable enough. I would favour the approach used by DB6NT in > their latest transverters - the ability to lock to an external > source (eg 10MHz) - as an aside, can the 5000A, like the SDR-1000, > be fed by an external frequency source? Hmm, good point. I was forgetting this piece. -- 73 de Brian, WB6RQN Brian Lloyd - brian HYPHEN wb6rqn AT lloyd DOT com _______________________________________________ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kb.flex-radio.com/ Homepage: http://www.flex-radio.com/ _______________________________________________ FlexRadio Systems Mailing List FlexRadio@flex-radio.biz http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz Archives: http://www.mail-archive.com/flexradio%40flex-radio.biz/ Knowledge Base: http://kb.flex-radio.com/ Homepage: http://www.flex-radio.com/
