Keep us updated on any progress (or pitfalls here). I just installed our new
MicroSemi S350's a few minutes ago;) and pulled a couple TS2100's out of the
rack. We would like to update these and have one of the Heol GPS units on
order. Ours have OXCO's already, so it should just be the GPS.
Well the clock survived Fedex Home Delivery (yuck) in one piece. It's in
extremely good shape, just as was shown in the pictures. All the buttons
and lights work. At turn on, the 10MHz output was about 350 Hz high, and
power draw was 40 Watts. It's now setting at just over 0.1 ppm out after a
very
Swap the tx and rx lines on the Arduino. Swap back to reconnect to PC.
On Jun 3, 2015, at 10:51, Chris Albertson albertson.ch...@gmail.com wrote:
In the RS-232 world devices are either DTE or DCE. You need one of
each on each end of the line if using a normal straight cable.To
Is the shield explicitly powered? It may be being phantom powered from
the control lines when connected to the PC which are not present when
connected to the Thunderbolt.
David McGaw N1HAC
On 6/3/15 12:38 AM, Dan Quigley wrote:
Hello,
I'm integrating an Arduino (Due/Mega have tried both)
Well... even after a cup of coffee, I still feel like doing a face plant. I
would have sworn that I checked that... twice!
Thanks to Tom Van Baak, Tom Harris and you Paul for responding so quickly. The
electrons are now fine, I'm pushing bits around now.
73's,
Dan (N7HQ)
-Original
It's definitely no optional. The TI part is designed for that. Not sure
about the others.
The HV bus is definitely optional - but most stationary devices - hosts,
docks,etc can supply that no issue
I would say that we will see big values on the HV bus from AC mains powered
devices.
On Tuesday,
That sounds a lot like you have the Thunderbolt's TX pin hooked up to the
RS-232 Shield's TX pin, which is what would happen if you tried to use the
same cable that worked between the Shield and the PC or between the
Thunderbolt and the PC. To connect the Shield and the Thunderbolt you might
just
Hi
The point that was made by the OP was that the new USB-C spec starts out with a
“3A default” rather than
500 ma. Since this stuff is just hitting the market, only time will tell how
the vendors decide to handle that
“requirement” with multi port gizmos.
With (now apparently obsolete)
You have TX connected to TX? Swap your TX/RX connections and see if the
levels improve.
Tom Harris celephi...@gmail.com
On 3 June 2015 at 14:38, Dan Quigley d...@quigleys.us wrote:
Hello,
I'm integrating an Arduino (Due/Mega have tried both) with a surplus
Thunderbolt and need some advice.
Hi again
I have 4 Bliley 100MHz OCXO oscillators that I would like to sell.
The Bliley model is NV26R891 with a SMA connector output.
The nominal power supply voltage is 12Vdc.
This time there is information available.
www.febo.com/pages/oscillators/100_MHz_Data_Sheets/bliley.pdf
I will ship
Thanks Bruce. That is an excellent option.
I did a paper over a decade ago on the jitter and phase noise for Actel
(Now Microsemi) comparing their eX device to the Xilinx CPLD. It was
intended to show the eX device was preferable to the Xilinx CPLD. It makes
a difference as to what device is
In the RS-232 world devices are either DTE or DCE. You need one of
each on each end of the line if using a normal straight cable.To
connect two like devices you need a crossover cable (AKA null modem)
From the sounds of it I'm guessing the PC is a DCE and the Arduino
and Thunderbolt are
I'm giving the entire rebuild a try including the Ace Trimble III clone
form Heol Design. I'm not sure it is practical but I like the idea of
keeping an old unit running. I read the post you mentioned which does a
nice job of discussing the firmware settings. I was hoping for some
practical
Hi
As always, the real answer it “that depends”.
If your objective is wide band phase noise and you want to start from 100 MHz
and get 10 MHz (fig 6 in
the Lamda paper), you can get at least another 6 db with a simple divide by 10
chip than with all the
fancy stuff.
Bob
On Jun 3, 2015,
Gents:
All four of the Bliley Oscillators are sold.
Thank You.
Ivan Cousins
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