e time and frequency
measurement<mailto:time-nuts@lists.febo.com>
Ämne: Re: [time-nuts] PLL/GPSDO/etc learning resources for mere mortals
Hello:
Is there any other recommendations for a GPS receiver module, I note you
recommend the Neo7M, but wondering if there are others that can b
external hardware.
Från: time-nuts för Jim Harman
Skickat: Tuesday, September 4, 2018 6:28:00 PM
Till: Discussion of precise time and frequency measurement
Ämne: Re: [time-nuts] PLL/GPSDO/etc learning resources for mere mortals
> The challenge seems to me to b
ia time-nuts
Skickat: Friday, September 7, 2018 10:38:31 PM
Till: Discussion of precise time and frequency measurement
Kopia: Nick Sayer
Ämne: Re: [time-nuts] PLL/GPSDO/etc learning resources for mere mortals
I’d like to thank Jim and Lars both publicly for that design - I quite
shamelessly sto
I was able to save it to iBooks on my phone and can print from that.
Chris
KD4PBJ
> On Sep 3, 2018, at 9:52 AM, jimlux wrote:
>
> On 9/3/18 5:52 AM, Richard (Rick) Karlquist wrote:
>>> Also worth checking out "Dean's book":
>>>
>>> http://www.ti.com/tool/PLL_BOOK
>>>
>>> This makes a great
hol...@hotmail.com said:
> Besides temperature compensation for holdover conditions you should also
> include drift compensation for OCXO aging. The Trimble GPSDOs, HP 38xx
> and 53xxx GPSDOs, and Oscilloquartz Star-4 do this.
Does any of the HP gear have a temperature sensor? If so, how
Besides temperature compensation for holdover conditions you should also
include drift compensation for OCXO aging. The Trimble GPSDOs, HP 38xx and
53xxx GPSDOs, and Oscilloquartz Star-4 do this. Oscilliquartz calls it ATDC
(Automatic Temperature and Drift Compensation). For many OCXOs
> The challenge seems to me to be
how to temperature stabilize the entire DAC chain without putting it all in
an oven
Hi Forrest,
Generally you don't have to temperature stabilize the DAC because it is
inside the phase-locked control loop and the loop will adjust for
temperature dependencies,
Thanks to everyone who has responded so far.
My underlying interest is learning about 1PPS holdover methodologies in the
presence of environmental changes (think outdoor day/night temperature
cycles). My thoughts are that there are two ways that seem obvious to me
to implement a
On 9/3/18 5:52 AM, Richard (Rick) Karlquist wrote:
Also worth checking out "Dean's book":
http://www.ti.com/tool/PLL_BOOK
This makes a great introductory text/prerequisite for the heavy
hitters like
Gardner and Rohde. Dean Banerjee spent many years providing customer
-- john, KE5FX
You
li...@packetflux.com said:
> I'm trying to fill in some gaps in my knowledge about PLL's, GPSDO's, etc.,
> with the goal to eventually implement some of these either in a
> microcontroller or fpga or some combination thereof.
An FPGA is unlikely to be the way to go for a GPSDO. There is lots
: Re: [time-nuts] PLL/GPSDO/etc learning resources for mere mortals
>
> You might try Phase Lock Techniques by Gardner.
>
> Rick N6RK
Also worth checking out "Dean's book":
http://www.ti.com/tool/PLL_BOOK
This makes a great introductory text/prerequisite for the heavy hit
I'm trying to fill in some gaps in my knowledge about PLL's, GPSDO's, etc.,
with the goal to eventually implement some of these either in a
microcontroller or fpga or some combination thereof.
My problem is that the resources I've found either are very basic -
oriented toward just the high level
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