did you have any luck? On Tue, Nov 23, 2010 at 8:05 PM, paul swed <[email protected]> wrote:
> Not a problem on spelling especially if tired. > The problem you are running into is really curious indeed. > Since we have no LORAN C in N A anymore. I can only use the loran simulator > to drive the FS700 and that works very well. I have the antenuator in the > simulator at -55 db as I recall to simulate the signal I used to get from > the 9960 chain. Literally have no problem at all as you have run into. > I did put the eproms on the K04bb site for safe keeping. Maybe software > vintage? > Regards > > > On Tue, Nov 23, 2010 at 12:52 PM, Ulrich Bangert > <[email protected]>wrote: > >> This: sours should of course read: source >> >> > -----Ursprungliche Nachricht----- >> > Von: [email protected] >> > [mailto:[email protected]] 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: [email protected] >> > > [mailto:[email protected]] 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 >> > > <[email protected]> wrote: >> > > >> > > > My thats a reasonable answer indeed. >> > > > >> > > > >> > > > On Mon, Nov 22, 2010 at 12:24 PM, Stan, W1LE >> > <[email protected]> >> > > > 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 -- [email protected] >> > > >>> To unsubscribe, go to >> > > >>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> > > >>> and follow the instructions there. >> > > >>> >> > > >>> >> > > >> >> > > >> _______________________________________________ >> > > >> time-nuts mailing list -- [email protected] >> > > >> To unsubscribe, go to >> > > >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> > > >> and follow the instructions there. >> > > >> >> > > > >> > > > >> > > _______________________________________________ >> > > time-nuts mailing list -- [email protected] >> > > To unsubscribe, go to >> > > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> > > and follow the instructions there. >> > >> > >> > _______________________________________________ >> > time-nuts mailing list -- [email protected] >> > To unsubscribe, go to >> > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> > and follow the instructions there. >> >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
