[time-nuts] HP-5065a bought and finally working!
Ron Ward
n6idlron at comcast.net
Sat Aug 25 03:36:34 UTC 2012
Hi Burt:
I just purchased four Shera boards from A&A Engineering and four Motorola
Oncore UT+ receivers from TAPER.
I would be interested in any parts from you that would be available for
purchase.
I do not have a PIC programmer. I don't know where to find the firmware for
the PIC 16 F XXX chip. I believe that it is different from the PIC16 C XXX
firmware, but I could be wrong.
I want to build four units. Two each for myself and two for my cousin Dan
WA6DAN. One would be operational and the second would be a spare for each of
us.
What DAC are you using on the Shera board?
Thanks,
Ron
-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of EWKehren at aol.com
Sent: Friday, August 24, 2012 1:21 PM
To: time-nuts at febo.com
Subject: Re: [time-nuts] HP-5065a bought and finally working!
Edgardo
If you need a Shera board and parts I still have some extras. Contact me
off list.
Bert
In a message dated 8/24/2012 4:05:08 P.M. Eastern Daylight Time,
xe1xus at amsat.org writes:
Dear Bert,
Thank you for your always expert advise. I am receiving an HP 105B next
week and for sure I will be doing some disciplining with the Thunderbolt. I
just started to gather operational information on the 5065a to start a
record. I also have been reading about those methods and also going deeper
with
your information.
Cheers!
Edgardo Molina
Dirección IPTEL
www.iptel.net.mx
T : 55 55 55202444
M : 04455 20501854
Piensa en Bits SA de CV
Información anexa:
CONFIDENCIALIDAD DE INFORMACION
Este mensaje tiene carácter confidencial. Si usted no es el destinarario
de este mensaje, le suplicamos se lo notifique al remitente mediante un
correo electrónico y que borre el presente mensaje y sus anexos de su
computadora sin retener una copia de los mismos. Queda estrictamente
prohibido
copiar este mensaje o hacer usode el para cualquier propósito o divulgar su
en
forma parcial o total su contenido. Gracias.
NON-DISCLOSURE OF INFORMATION
This email is strictly confidential and may also be privileged. If you are
not the intended recipient please immediately advise the sender by
replying to this e-mail and then deleting the message and its attachments
from
your computer without keeping a copy. It is strictly forbidden to copy it
or
use it for any purpose or disclose its contents to any third party. Thank
you.
On Aug 22, 2012, at 4:18 PM, EWKehren at aol.com wrote:
> You can discipline a HP 5065A easily using a Shera with the Tbolt 1
PPS
> and a LTC 1655 DAC in stead of an AD 1861.
> Bert Kehren.
>
>
> In a message dated 8/22/2012 8:23:06 A.M. Eastern Daylight Time,
> jltran at att.net writes:
>
> Edgardo,
>
> Congrats on getting the 5065A up and operational. Make sure the A11
Board
> (Temperature Controller) is all OK. Failure there can destroy the A12
RVFR
> Assembly. There is a lot of 'expertise' on the list for this unit.
>
> What is the serial number of your unit and what is the part number of
the
> manual you have?
>
> I have a couple of manuals and I may also have the 'change sheets' that
> updates the manual to your serial number. It may take me a while to
chase
> that down but if I have the 'change sheets', I can scan them and send
them
> to you.
>
> I have not heard of anyone 'disciplining' the 5065A by GPS, other than
by
> hand from week to week. However, the 105B has a built in connection on
the
> back that is great for that purpose (negative slope, as I recall) and I
> have
> done that using a Brooks Shera controller board and the 1 PPS from my
> TBolt.
> It works quite well.
>
> Joe
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of Edgardo Molina
> Sent: Wednesday, August 22, 2012 12:22 AM
> To: time-nuts at febo.com
> Subject: [time-nuts] HP-5065a bought and finally working!
>
>
> Dear Group,
>
> I wish you well.
>
> Do you recall a message and thread about a month ago with my concerns
about
> buying a used / unknown condition HP-5065a rubidium frequency standard?
I
> bit the bullet and bought it. Almost mint condition (cosmetically
speaking)
> and with several operational issues.
>
> Well, It took me several weeks to put it back to work. Several
capacitors
> on
> several boards along with a couple of transistors and an IC were
replaced.
> After that any being bored by the yellow light, it finally came off to
> allow
> a beautiful green lock condition light. I went through the necessary
steps
> to tune it and calibrate it. Now, as I have been told recently. "You
have
> been bitten by the Time Nuts bug." I am not complaining at all.
>
> Now the technical issues if you kindly allow:
>
> a. Does anybody have an HP-5065a manual for the latest versions? Mine
> (which
> I downloaded from the Internet) is intended for earlier versions. It
seems
> I
> have one of the last produced units. I would kindly appreciate any help
on
> this and I am willing to pay for time and expenses to anybody who could
> help. During the repair process I found several differences in the
earlier
> versions design and had to figure out hoy mine works.
>
> b. Is it possible to build a GPSDRb? I would like to know if it is
> reasonable to pursue the goal to discipline the 5065a with a TB which I
> also
> got recently.
>
> c. I am waiting for the delivery of a recent purchase. An HP-59309a
Digital
> Clock to go with the HP 5065a. How I wish I could find the optional LED
> integrated optional clock and 1PPS output. Is my purchase a good match
for
> the 5065a? Any other suggestions to drive a clock?
>
> d. I am waiting also for de delivery of an HP-105b mint condition quartz
> frequency standard. Would a second 59309a make sense to use it with
this
> quartz standard? Or just saving it for a Cesium? Anybody willing to
sell a
> spare, dust gathering, clean unit to me?
>
> e. Any suggestions for software of lab equipment to measure my
experiments
> like AD, jitter, phase comparisons, etc?
>
>
> While I wait I am doing some experiments with a FE Rb standard to
> discipline
> an Adret synthesiser to output 32.768 KHz to directly drive a Nixie
clock
> kit I just finished building.
>
> Your comments are surely welcome. Thank you!
>
> Kind regards,
>
>
> Edgardo Molina
> XE1XUS
> Mexico
>
>
> _______________________________________________
> time-nuts mailing list -- time-nuts at 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 at 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 at 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 at 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 at febo.com
To unsubscribe, go to
https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
More information about the time-nuts
mailing list