I am interested. Eric Haskell
> From: time-nuts-requ...@febo.com > Subject: time-nuts Digest, Vol 100, Issue 73 > To: time-nuts@febo.com > Date: Mon, 19 Nov 2012 20:10:21 +0000 > > Send time-nuts mailing list submissions to > time-nuts@febo.com > > To subscribe or unsubscribe via the World Wide Web, visit > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > or, via email, send a message with subject or body 'help' to > time-nuts-requ...@febo.com > > You can reach the person managing the list at > time-nuts-ow...@febo.com > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of time-nuts digest..." > > > Today's Topics: > > 1. Nifty "MINI TIC" for DMTD work (cdel...@juno.com) > 2. Re: Nifty "MINI TIC" for DMTD work (Don Latham) > 3. Re: Nifty "MINI TIC" for DMTD work (ewkeh...@aol.com) > 4. Re: Nifty "MINI TIC" for DMTD work (Volker Esper) > 5. Re: Nifty "MINI TIC" for DMTD work (Daniel Mendes) > 6. Re: Nifty "MINI TIC" for DMTD work (Erno Peres) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Mon, 19 Nov 2012 11:04:12 -0800 > From: cdel...@juno.com > To: time-nuts@febo.com > Subject: [time-nuts] Nifty "MINI TIC" for DMTD work > Message-ID: <20121119.110426.1555.16...@mailpop06.dca.untd.com> > Content-Type: text/plain; charset=us-ascii > > > "MINI-TIC" for DMTD work > > > Hi Everyone! > > I've been testing a Miniature 2 channel TIC that Bert Kehren and Juerg > Koegel > and Richard Mc Corkle have designed. > > It has 9 digits/Sec. and with a 1HZ offset in the DMTD unit gives a > resolution of 1X10-15th at 10 MHz, 2X10-15 with a 5 MHz input, when > measuring > Allan deviation. The 200 MHz version doubles the resolution. > > Of course the baseline performance of the DMTD unit and the stability of > the DMTD reference determines the actual accuracy you can obtain. > > (My dual mixer has a baseline of approx. 8X10-14th at 1 second and my > best reference is 4X10-13th at 1 second.) > > The "MINI" takes a 5 or 10 MHz reference that only has to be stable to > parts in 10-8th/sec. > I used a neat 14PIN ovenized DIP clock chip I got on eBay and recently > discussed on the list. > > The reference is multiplied to 100Mhz for use as the counters clock. > > The "MINI" is about 2.5 by 2 inches and has only 5 chips. Two opto > couplers an > op amp for two analog channels are also on the board. If run on 5 volt a > 3.3 V > regulator is also on the board. Power required is +5VDC 0.05 A and +- 12 > > (for the RS232 interface) > > It also has two pins you can individually ground to measure the period of > the beat > note from either channel. > > This allows you to adjust the offset frequency quickly and accurately. > > I installed the "MINI" into a 1U chassis with the power supply and also > added "heartbeat" LEDS for each channel to show the presence of the 1PPS > inputs. > > I have plotted several Rubidium and many Quartz using the "MINI" > simultaneously with a SR620 counter/timer. The plots are "identical"! So > much > so that I am going to "retire" and sell my SR620! > > I understand work is complete on a 4 channel counters and Bluetooth > interface, > and work is ongoing on a LCD. > > The "MINI" material cost is less than $25.00 depending on how many > boards are ordered! > > Resoution based on clock frequency and beat frequency: > > Carrier[MHz] Beat [Hz] Heterodyne TIC [ns] Resolution > 10101.00E+06101.00E-14 > 1011.00E+07101.00E-15 > 1011.00E+0755.00E-16 > 10101.00E+0655.00E-15 > 5105.00E+05102.00E-14 > 515.00E+06102.00E-15 > 515.00E+0651.00E-15 > 5105.00E+0551.00E-14 > ____________________________________________________________ > Woman is 53 But Looks 25 > Mom reveals 1 simple wrinkle trick that has angered doctors... > http://thirdpartyoffers.juno.com/TGL3141/50aa82cb1214a2ca03f8st04duc > > ------------------------------ > > Message: 2 > Date: Mon, 19 Nov 2012 12:48:16 -0700 (MST) > From: "Don Latham" <d...@montana.com> > To: "Discussion of precise time and frequency measurement" > <time-nuts@febo.com> > Subject: Re: [time-nuts] Nifty "MINI TIC" for DMTD work > Message-ID: > <3fad6cf62dc04c503134949a532b3ae0.squir...@webmail.montana.com> > Content-Type: text/plain;charset=iso-8859-1 > > uh, ok, how do we order the boards? > Don L > > cdel...@juno.com > > > > "MINI-TIC" for DMTD work > > > > > > Hi Everyone! > > > > I've been testing a Miniature 2 channel TIC that Bert Kehren and Juerg > > Koegel > > and Richard Mc Corkle have designed. > > > > It has 9 digits/Sec. and with a 1HZ offset in the DMTD unit gives a > > resolution of 1X10-15th at 10 MHz, 2X10-15 with a 5 MHz input, when > > measuring > > Allan deviation. The 200 MHz version doubles the resolution. > > > > Of course the baseline performance of the DMTD unit and the stability of > > the DMTD reference determines the actual accuracy you can obtain. > > > > (My dual mixer has a baseline of approx. 8X10-14th at 1 second and my > > best reference is 4X10-13th at 1 second.) > > > > The "MINI" takes a 5 or 10 MHz reference that only has to be stable to > > parts in 10-8th/sec. > > I used a neat 14PIN ovenized DIP clock chip I got on eBay and recently > > discussed on the list. > > > > The reference is multiplied to 100Mhz for use as the counters clock. > > > > The "MINI" is about 2.5 by 2 inches and has only 5 chips. Two opto > > couplers an > > op amp for two analog channels are also on the board. If run on 5 volt a > > 3.3 V > > regulator is also on the board. Power required is +5VDC 0.05 A and +- > > 12 > > > > (for the RS232 interface) > > > > It also has two pins you can individually ground to measure the period > > of > > the beat > > note from either channel. > > > > This allows you to adjust the offset frequency quickly and accurately. > > > > I installed the "MINI" into a 1U chassis with the power supply and also > > added "heartbeat" LEDS for each channel to show the presence of the 1PPS > > inputs. > > > > I have plotted several Rubidium and many Quartz using the "MINI" > > simultaneously with a SR620 counter/timer. The plots are "identical"! So > > much > > so that I am going to "retire" and sell my SR620! > > > > I understand work is complete on a 4 channel counters and Bluetooth > > interface, > > and work is ongoing on a LCD. > > > > The "MINI" material cost is less than $25.00 depending on how many > > boards are ordered! > > > > Resoution based on clock frequency and beat frequency: > > > > Carrier[MHz] Beat [Hz] Heterodyne TIC [ns] Resolution > > 10101.00E+06101.00E-14 > > 1011.00E+07101.00E-15 > > 1011.00E+0755.00E-16 > > 10101.00E+0655.00E-15 > > 5105.00E+05102.00E-14 > > 515.00E+06102.00E-15 > > 515.00E+0651.00E-15 > > 5105.00E+0551.00E-14 > > ____________________________________________________________ > > Woman is 53 But Looks 25 > > Mom reveals 1 simple wrinkle trick that has angered doctors... > > http://thirdpartyoffers.juno.com/TGL3141/50aa82cb1214a2ca03f8st04duc > > _______________________________________________ > > 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. > > > > > -- > "Neither the voice of authority nor the weight of reason and argument > are as significant as experiment, for thence comes quiet to the mind." > De Erroribus Medicorum, R. Bacon, 13th century. > "If you don't know what it is, don't poke it." > Ghost in the Shell > > > Dr. Don Latham AJ7LL > Six Mile Systems LLP > 17850 Six Mile Road > POB 134 > Huson, MT, 59846 > VOX 406-626-4304 > www.lightningforensics.com > www.sixmilesystems.com > > > > > > ------------------------------ > > Message: 3 > Date: Mon, 19 Nov 2012 14:53:16 -0500 (EST) > From: ewkeh...@aol.com > To: time-nuts@febo.com > Subject: Re: [time-nuts] Nifty "MINI TIC" for DMTD work > Message-ID: <2822f.5cd0eab7.3ddbe...@aol.com> > Content-Type: text/plain; charset="US-ASCII" > > Don > lets see how much interest and which counter and in the 2 channel it is 3 > PIC's and 1 G/A and the 4 channel 5 PIC's and 2 G/A. Easy to solder Juerg > and I are 70+ so soldering is a key consideration > Bert Kehren. > > > > In a message dated 11/19/2012 2:48:39 P.M. Eastern Standard Time, > d...@montana.com writes: > > uh, ok, how do we order the boards? > Don L > > cdel...@juno.com > > > > "MINI-TIC" for DMTD work > > > > > > Hi Everyone! > > > > I've been testing a Miniature 2 channel TIC that Bert Kehren and Juerg > > Koegel > > and Richard Mc Corkle have designed. > > > > It has 9 digits/Sec. and with a 1HZ offset in the DMTD unit gives a > > resolution of 1X10-15th at 10 MHz, 2X10-15 with a 5 MHz input, when > > measuring > > Allan deviation. The 200 MHz version doubles the resolution. > > > > Of course the baseline performance of the DMTD unit and the stability of > > the DMTD reference determines the actual accuracy you can obtain. > > > > (My dual mixer has a baseline of approx. 8X10-14th at 1 second and my > > best reference is 4X10-13th at 1 second.) > > > > The "MINI" takes a 5 or 10 MHz reference that only has to be stable to > > parts in 10-8th/sec. > > I used a neat 14PIN ovenized DIP clock chip I got on eBay and recently > > discussed on the list. > > > > The reference is multiplied to 100Mhz for use as the counters clock. > > > > The "MINI" is about 2.5 by 2 inches and has only 5 chips. Two opto > > couplers an > > op amp for two analog channels are also on the board. If run on 5 volt a > > 3.3 V > > regulator is also on the board. Power required is +5VDC 0.05 A and +- > > 12 > > > > (for the RS232 interface) > > > > It also has two pins you can individually ground to measure the period > > of > > the beat > > note from either channel. > > > > This allows you to adjust the offset frequency quickly and accurately. > > > > I installed the "MINI" into a 1U chassis with the power supply and also > > added "heartbeat" LEDS for each channel to show the presence of the 1PPS > > inputs. > > > > I have plotted several Rubidium and many Quartz using the "MINI" > > simultaneously with a SR620 counter/timer. The plots are "identical"! So > > much > > so that I am going to "retire" and sell my SR620! > > > > I understand work is complete on a 4 channel counters and Bluetooth > > interface, > > and work is ongoing on a LCD. > > > > The "MINI" material cost is less than $25.00 depending on how many > > boards are ordered! > > > > Resoution based on clock frequency and beat frequency: > > > > Carrier[MHz] Beat [Hz] Heterodyne TIC [ns] Resolution > > 10101.00E+06101.00E-14 > > 1011.00E+07101.00E-15 > > 1011.00E+0755.00E-16 > > 10101.00E+0655.00E-15 > > 5105.00E+05102.00E-14 > > 515.00E+06102.00E-15 > > 515.00E+0651.00E-15 > > 5105.00E+0551.00E-14 > > ____________________________________________________________ > > Woman is 53 But Looks 25 > > Mom reveals 1 simple wrinkle trick that has angered doctors... > > http://thirdpartyoffers.juno.com/TGL3141/50aa82cb1214a2ca03f8st04duc > > _______________________________________________ > > 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. > > > > > -- > "Neither the voice of authority nor the weight of reason and argument > are as significant as experiment, for thence comes quiet to the mind." > De Erroribus Medicorum, R. Bacon, 13th century. > "If you don't know what it is, don't poke it." > Ghost in the Shell > > > Dr. Don Latham AJ7LL > Six Mile Systems LLP > 17850 Six Mile Road > POB 134 > Huson, MT, 59846 > VOX 406-626-4304 > www.lightningforensics.com > www.sixmilesystems.com > > > > _______________________________________________ > 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. > > > > ------------------------------ > > Message: 4 > Date: Mon, 19 Nov 2012 20:57:36 +0100 > From: Volker Esper <ail...@t-online.de> > To: Discussion of precise time and frequency measurement > <time-nuts@febo.com> > Subject: Re: [time-nuts] Nifty "MINI TIC" for DMTD work > Message-ID: <50aa8f30.5020...@t-online.de> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > > I'd like to be on the list. Definitely. Where do I have to pay? > > Volker > > > Am 19.11.2012 20:04, schrieb cdel...@juno.com: > > > > "MINI-TIC" for DMTD work > > > > > > Hi Everyone! > > > > I've been testing a Miniature 2 channel TIC that Bert Kehren and Juerg > > Koegel > > and Richard Mc Corkle have designed. > > > > It has 9 digits/Sec. and with a 1HZ offset in the DMTD unit gives a > > resolution of 1X10-15th at 10 MHz, 2X10-15 with a 5 MHz input, when > > measuring > > Allan deviation. The 200 MHz version doubles the resolution. > > > > Of course the baseline performance of the DMTD unit and the stability of > > the DMTD reference determines the actual accuracy you can obtain. > > > > (My dual mixer has a baseline of approx. 8X10-14th at 1 second and my > > best reference is 4X10-13th at 1 second.) > > > > The "MINI" takes a 5 or 10 MHz reference that only has to be stable to > > parts in 10-8th/sec. > > I used a neat 14PIN ovenized DIP clock chip I got on eBay and recently > > discussed on the list. > > > > The reference is multiplied to 100Mhz for use as the counters clock. > > > > The "MINI" is about 2.5 by 2 inches and has only 5 chips. Two opto > > couplers an > > op amp for two analog channels are also on the board. If run on 5 volt a > > 3.3 V > > regulator is also on the board. Power required is +5VDC 0.05 A and +- 12 > > > > (for the RS232 interface) > > > > It also has two pins you can individually ground to measure the period of > > the beat > > note from either channel. > > > > This allows you to adjust the offset frequency quickly and accurately. > > > > I installed the "MINI" into a 1U chassis with the power supply and also > > added "heartbeat" LEDS for each channel to show the presence of the 1PPS > > inputs. > > > > I have plotted several Rubidium and many Quartz using the "MINI" > > simultaneously with a SR620 counter/timer. The plots are "identical"! So > > much > > so that I am going to "retire" and sell my SR620! > > > > I understand work is complete on a 4 channel counters and Bluetooth > > interface, > > and work is ongoing on a LCD. > > > > The "MINI" material cost is less than $25.00 depending on how many > > boards are ordered! > > > > Resoution based on clock frequency and beat frequency: > > > > Carrier[MHz] Beat [Hz] Heterodyne TIC [ns] Resolution > > 10101.00E+06101.00E-14 > > 1011.00E+07101.00E-15 > > 1011.00E+0755.00E-16 > > 10101.00E+0655.00E-15 > > 5105.00E+05102.00E-14 > > 515.00E+06102.00E-15 > > 515.00E+0651.00E-15 > > 5105.00E+0551.00E-14 > > ____________________________________________________________ > > Woman is 53 But Looks 25 > > Mom reveals 1 simple wrinkle trick that has angered doctors... > > http://thirdpartyoffers.juno.com/TGL3141/50aa82cb1214a2ca03f8st04duc > > _______________________________________________ > > 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. > > > > > > > > > > ------------------------------ > > Message: 5 > Date: Mon, 19 Nov 2012 18:02:59 -0200 > From: Daniel Mendes <dmend...@gmail.com> > To: Discussion of precise time and frequency measurement > <time-nuts@febo.com> > Subject: Re: [time-nuts] Nifty "MINI TIC" for DMTD work > Message-ID: <50aa9073.8090...@gmail.com> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > > Sign me in too... > > Daniel > > Em 19/11/2012 17:57, Volker Esper escreveu: > > > > I'd like to be on the list. Definitely. Where do I have to pay? > > > > Volker > > > > > > Am 19.11.2012 20:04, schrieb cdel...@juno.com: > >> > >> "MINI-TIC" for DMTD work > >> > >> > >> Hi Everyone! > >> > >> I've been testing a Miniature 2 channel TIC that Bert Kehren and Juerg > >> Koegel > >> and Richard Mc Corkle have designed. > >> > >> It has 9 digits/Sec. and with a 1HZ offset in the DMTD unit gives a > >> resolution of 1X10-15th at 10 MHz, 2X10-15 with a 5 MHz input, when > >> measuring > >> Allan deviation. The 200 MHz version doubles the resolution. > >> > >> Of course the baseline performance of the DMTD unit and the stability of > >> the DMTD reference determines the actual accuracy you can obtain. > >> > >> (My dual mixer has a baseline of approx. 8X10-14th at 1 second and my > >> best reference is 4X10-13th at 1 second.) > >> > >> The "MINI" takes a 5 or 10 MHz reference that only has to be stable to > >> parts in 10-8th/sec. > >> I used a neat 14PIN ovenized DIP clock chip I got on eBay and recently > >> discussed on the list. > >> > >> The reference is multiplied to 100Mhz for use as the counters clock. > >> > >> The "MINI" is about 2.5 by 2 inches and has only 5 chips. Two opto > >> couplers an > >> op amp for two analog channels are also on the board. If run on 5 volt a > >> 3.3 V > >> regulator is also on the board. Power required is +5VDC 0.05 A and +- 12 > >> > >> (for the RS232 interface) > >> > >> It also has two pins you can individually ground to measure the > >> period of > >> the beat > >> note from either channel. > >> > >> This allows you to adjust the offset frequency quickly and accurately. > >> > >> I installed the "MINI" into a 1U chassis with the power supply and also > >> added "heartbeat" LEDS for each channel to show the presence of the 1PPS > >> inputs. > >> > >> I have plotted several Rubidium and many Quartz using the "MINI" > >> simultaneously with a SR620 counter/timer. The plots are "identical"! So > >> much > >> so that I am going to "retire" and sell my SR620! > >> > >> I understand work is complete on a 4 channel counters and Bluetooth > >> interface, > >> and work is ongoing on a LCD. > >> > >> The "MINI" material cost is less than $25.00 depending on how many > >> boards are ordered! > >> > >> Resoution based on clock frequency and beat frequency: > >> > >> Carrier[MHz] Beat [Hz] Heterodyne TIC [ns] Resolution > >> 10101.00E+06101.00E-14 > >> 1011.00E+07101.00E-15 > >> 1011.00E+0755.00E-16 > >> 10101.00E+0655.00E-15 > >> 5105.00E+05102.00E-14 > >> 515.00E+06102.00E-15 > >> 515.00E+0651.00E-15 > >> 5105.00E+0551.00E-14 > >> ____________________________________________________________ > >> Woman is 53 But Looks 25 > >> Mom reveals 1 simple wrinkle trick that has angered doctors... > >> http://thirdpartyoffers.juno.com/TGL3141/50aa82cb1214a2ca03f8st04duc > >> _______________________________________________ > >> 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. > > > > > ------------------------------ > > Message: 6 > Date: Mon, 19 Nov 2012 15:09:59 -0500 (EST) > From: Erno Peres <erniepe...@aol.com> > To: time-nuts@febo.com > Subject: Re: [time-nuts] Nifty "MINI TIC" for DMTD work > Message-ID: <8cf94a8fc7038ee-12d8-2a...@webmail-m035.sysops.aol.com> > Content-Type: text/plain; charset="us-ascii" > > > Hi Gents, > > please put me on the list. I should like to have one unit or a KIT. > > Rgds Ernie. > > > > > -----Original Message----- > From: Volker Esper <ail...@t-online.de> > To: Discussion of precise time and frequency measurement <time-nuts@febo.com> > Sent: Mon, Nov 19, 2012 8:57 pm > Subject: Re: [time-nuts] Nifty "MINI TIC" for DMTD work > > > > 'd like to be on the list. Definitely. Where do I have to pay? > Volker > > m 19.11.2012 20:04, schrieb cdel...@juno.com: > > "MINI-TIC" for DMTD work > > > Hi Everyone! > > I've been testing a Miniature 2 channel TIC that Bert Kehren and Juerg > Koegel > and Richard Mc Corkle have designed. > > It has 9 digits/Sec. and with a 1HZ offset in the DMTD unit gives a > resolution of 1X10-15th at 10 MHz, 2X10-15 with a 5 MHz input, when > measuring > Allan deviation. The 200 MHz version doubles the resolution. > > Of course the baseline performance of the DMTD unit and the stability of > the DMTD reference determines the actual accuracy you can obtain. > > (My dual mixer has a baseline of approx. 8X10-14th at 1 second and my > best reference is 4X10-13th at 1 second.) > > The "MINI" takes a 5 or 10 MHz reference that only has to be stable to > parts in 10-8th/sec. > I used a neat 14PIN ovenized DIP clock chip I got on eBay and recently > discussed on the list. > > The reference is multiplied to 100Mhz for use as the counters clock. > > The "MINI" is about 2.5 by 2 inches and has only 5 chips. Two opto > couplers an > op amp for two analog channels are also on the board. If run on 5 volt a > 3.3 V > regulator is also on the board. Power required is +5VDC 0.05 A and +- 12 > > (for the RS232 interface) > > It also has two pins you can individually ground to measure the period of > the beat > note from either channel. > > This allows you to adjust the offset frequency quickly and accurately. > > I installed the "MINI" into a 1U chassis with the power supply and also > added "heartbeat" LEDS for each channel to show the presence of the 1PPS > inputs. > > I have plotted several Rubidium and many Quartz using the "MINI" > simultaneously with a SR620 counter/timer. The plots are "identical"! So > much > so that I am going to "retire" and sell my SR620! > > I understand work is complete on a 4 channel counters and Bluetooth > interface, > and work is ongoing on a LCD. > > The "MINI" material cost is less than $25.00 depending on how many > boards are ordered! > > Resoution based on clock frequency and beat frequency: > > Carrier[MHz] Beat [Hz] Heterodyne TIC [ns] Resolution > 10101.00E+06101.00E-14 > 1011.00E+07101.00E-15 > 1011.00E+0755.00E-16 > 10101.00E+0655.00E-15 > 5105.00E+05102.00E-14 > 515.00E+06102.00E-15 > 515.00E+0651.00E-15 > 5105.00E+0551.00E-14 > ____________________________________________________________ > Woman is 53 But Looks 25 > Mom reveals 1 simple wrinkle trick that has angered doctors... > http://thirdpartyoffers.juno.com/TGL3141/50aa82cb1214a2ca03f8st04duc > _______________________________________________ > 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. > > > > _______________________________________________ > ime-nuts mailing list -- time-nuts@febo.com > o unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > nd follow the instructions there. > > > > ------------------------------ > > _______________________________________________ > time-nuts mailing list > time-nuts@febo.com > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > > End of time-nuts Digest, Vol 100, Issue 73 > ****************************************** _______________________________________________ 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.