This: sours should of course read: source > -----Ursprungliche Nachricht----- > Von: time-nuts-boun...@febo.com > [mailto:time-nuts-boun...@febo.com] Im Auftrag von Ulrich Bangert > Gesendet: Dienstag, 23. November 2010 18:32 > An: 'Discussion of precise time and frequency measurement' > Betreff: Re: [time-nuts] FS700 schematic > > > Hi Paul, > > > If you are using something different then an active > > antennathat draws current. You need a 470 ohm resistor to > > ground at the antenna bnc.The system sense current being > > drawn both high and low. > > Yes, this is understood. My "antenna coupler" for the W3 > includes a 560 Ohm resistor and Frank has found out that even > a 1 K resistor is "accepted" as a functioning active antenna. > My active loop draws some 8 mA from the center conductor and > is therefore accepted as a functioning active antenna too. > > If the mysterious action has taken place it seems indeed as > if the the receiver gain is set to a very low if not zero > value. This is well understood because SRS says: If the <1 dB > condition is met the receiver stops action, so setting the > gain to zero or so may be a natural result of this. The big > question is: What has happened before that makes the receiver > THINK that this condition is met? Franks and mine receiver > doing literally the same seems to indicate that the sours is > the same for both of them. > > Best regards > Ulrich Bangert > > > -----Ursprungliche Nachricht----- > > Von: time-nuts-boun...@febo.com > > [mailto:time-nuts-boun...@febo.com] Im Auftrag von paul swed > > Gesendet: Montag, 22. November 2010 23:34 > > An: Discussion of precise time and frequency measurement > > Betreff: Re: [time-nuts] FS700 schematic > > > > > > Looked at the schematics front end is simple. Essentially op > > amps notch filters and most important electronic selectable > > attenuators. Any of it could cause issues. But the good news > > is a amplified loran signal is on the back of the unit so you > > could look to see whats happening to the signal. Oh other big > > point. If you are using something different then an active > > antennathat draws current. You need a 470 ohm resistor to > > ground at the antenna bnc.The system sense current being > > drawn both high and low. Regards Paul. > > > > On Mon, Nov 22, 2010 at 1:46 PM, paul swed > > <paulsw...@gmail.com> wrote: > > > > > My thats a reasonable answer indeed. > > > > > > > > > On Mon, Nov 22, 2010 at 12:24 PM, Stan, W1LE > <stanw...@verizon.net> > > > wrote: > > > > > >> It is not just one page. What are you specifically > looking for ? > > >> Most sheets are B size ( double A size). > > >> > > >> I got the complete manual from SRS for ~35$ > > >> > > >> Stan, W1LE > > >> > > >> > > >> > > >> On 11/22/2010 10:00 AM, Ulrich Bangert wrote: > > >> > > >>> Gentlemen, > > >>> > > >>> I know this one has been asked a few years before but I give it > > >>> another > > >>> try: > > >>> > > >>> Has anyone of you a Stanford Research FS700 schematic > > available that > > >>> he can share with me? > > >>> > > >>> Best regards > > >>> > > >>> Ulrich Bangert > > >>> www.ulrich-bangert.de > > >>> Ortholzer Weg 1 > > >>> 27243 Gross Ippener > > >>> > > >>> > > >>> _______________________________________________ > > >>> time-nuts mailing list -- time-nuts@febo.com > > >>> To unsubscribe, go to > > >>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > >>> and follow the instructions there. > > >>> > > >>> > > >> > > >> _______________________________________________ > > >> time-nuts mailing list -- time-nuts@febo.com > > >> To unsubscribe, go to > > >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > >> and follow the instructions there. > > >> > > > > > > > > _______________________________________________ > > time-nuts mailing list -- time-nuts@febo.com > > To unsubscribe, go to > > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > and follow the instructions there. > > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there.
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