Hi Matt,
There are lots of options, and what's best for you will depend on what else
comes across your bench. I'm a member of a hackerspace with all of these on the
wall and more, so I have personal experience with all of the below:
I suspect this is the Radio Shack tool Brooke refers to, it's a
I'm up for either ... My thoughts are to try it out on a development board and
if it works, maybe build a few for possible sale, and also release Gerbers and
VHDL files.
Regards,
David Partridge
-Original Message-
From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of cfo
I'm wondering if any other Spectracom 8195 users out there can shed some light
on this. According to the manual, the specs are related to operating in
'position hold'. However, there seems to be no way to set position hold mode,
or tell if it's in effect. (Well, there seems to be a RS485
Greetings,
I just want to let those who are curious about disciplining a mechanical
pendulum that I have pretty much wrapped up playing with a 1m-long pendulum,
which I control with PIC micro firmware and try to mainain at a constant
temperature. Accuracy for 20-second averaging is typically
Hi Bert,
Thanks for posting that project. What a wonderful combination of electronic and
mechanical timing, of design and measurement, of hardware and software, of PICs
and Python.
One side experiment that would be interesting is to collect a couple of days of
data using a fixed drive and
I just received the Heol Design N024 Trimble ACE III clone to resolve the
week rollover problem we have been experiencing in the TS-2100's with the
original Trimble ACE III gps units. Installation was very straight forward
taking about 5 minutes. On a cold restart I had Tracking within 40
On Mon, 08 Jun 2015 16:27:26 +0100, David C. Partridge wrote:
I'm up for either ... My thoughts are to try it out on a development
board and if it works, maybe build a few for possible sale, and also
release Gerbers and VHDL files.
Regards,
David Partridge
I have these cheap cards ,
Hello Matthias - I had this problem on my 5370B - it turned out that the fan
wasn't running, which resulted in overheating.
I hope this helps.
Regards, John K1AE
-Original Message-
From: time-nuts [mailto:time-nuts-boun...@febo.com] On Behalf Of Matthias Jelen
Sent: Monday, June 08,
I have something of a follow up question. How good is the isolation inside
these devices (74LVC, SOT-23 package) between gates?
Let's say I have a 20MHz TCXO. I want to square up the output signal and
divide by two. Easy, just a buffer or inverter and a flip flop. But looking
at the pinout of the
As I remember
For rs422 receive plus to ground and rs232 to minus.
For rs422 xmit take the minus to the rs232 line.
This has to be a modern rs232 port that will work on 0-3V or greater.
As Hal says it works over 3-10 ft. May go further but it is a hack. the
price is right.
Regards
Paul
WB8TSL
On
but I've not setup a 485 adapter and written any scripts to check it yet
The KS-24361 discussions pointed out that you can just wire things across if
you pick the right polarity on the 485 side. It works for me. I wouldn't
want to count on it for use with long cables, but it's quick worth a
Hello fellow Time Nuts...
I've obtained a Trimble Thunderbolt (from Ebay) and I'm in the process of
searching out a practical power supply option. I've got the proper plug and
pins already on order from Mouser.
I've identified the Meanwell T-30B as a decent power supply. I like Meanwell
Does anyone have any information about the Trimble 65256 OCXO? I bought one
recently and hooked it up to 12V per the vendor. (Yeah, I know.) Although it
worked, it set off such a stench: the usual electronics burning up, give you a
sore throat smell. So, I got a replacement and same thing.
Hi Guys,
I am currently in the process of completing my Thunderbolt project and I
need to find a suitable crimper to attach wires to the pins that go inside
the power connector.
The only reference I can find is on this page here (
http://www.prc68.com/I/ThunderBolt.shtml) that talks about the
Hi Matt,
Any of the AMP Service Tools - I have the I and II - will work. Positions A
and B (for the conductor and the insulation respectively) on Service Tool I
or E and B on Service Tool II will work nicely. I suspect there are lots of
other generic crimpers that will do the job as well. Heck,
I had not realized that those ubiquitous AMP crimpers of yore were now ebay
curiosities, but this is what I was referring to in my earlier e-mail:
http://www.ebay.com/itm/Amp-Engineer-Service-Tool-II-Crimper-/231586917342?pt=LH_DefaultDomain_0hash=item35eba7ebde
73,
geo - n4ua
On Mon, Jun 8,
Hi Magnus,
I have done this experience. You can find my project here:
http://www.timeok.it/files/low_noise_regenerative_divider.pdf
An important goal was to have a range as input level to be used with several
source.
When the oscillation are is engaged, the amplifier reaches immediately
Hello!
I´ve got a question to the 5370 experts on the list.
I just received my new (old...) HP5370a. It performed fine for abt. one hour,
then it started to display error 04 which means PLL out of lock.
A look in the service manual revealed that there are several reasons for this.
I
On Sun, 07 Jun 2015 11:23:40 +0100, David C. Partridge wrote:
My reading so far of what's been said in this thread is that you might
get good results using a CPLD/FPGA as a divider but ... .
..
..
..
Thanks again Dave
Is this going to be an open source project, or something you buy ?
CFO
I forget the size of the pins on the Thunderbolt, but, I bought a crimper tool
for Molex pins a while ago for a rather good price and really like it. This
will crimp multiple gauge Molex pins and as I mentioned is very reasonably
priced.. Shipping to Oz is another matter :).. 73 - Mike
The PA-09 crimp tool will do a lot of smaller crimps, even the small JST
sizes. There's also a bigger one available.
http://www.ebay.co.uk/itm/261046260247?ru=http%3A%2F%2Fwww.ebay.co.uk%2Fsch%2Fi.html%3F_nkw%3D261046260247%26_rdc%3D1
On Mon, Jun 8, 2015 at 12:53 PM, George Dubovsky
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