for reading,
73BillWB6BNQ
John Ackermann N8UR wrote:
Hi Bill --
I should have been more clear: this design will be for a simple case:
one reference clock input, four outputs. The chip can do all sorts of
fancy tricks, but I'm looking for a source of four low jitter outputs
derived from
to using the non-crystal
inputs.
Perhaps you could indicate what you are attempting to do with it and how
you are going to accomplish your goals ?
73BillWB6BNQ
John Ackermann N8UR wrote:
After the recent discussion about Silicon Labs clock generators, I
looked at their Si5340A part
Chuck,
It is an analog version of the BROOK SHERA approach from almost 20 years
ago.
BillWB6BNQ
Chuck / Judy Burch wrote:
I have been waiting for Charles Wenzel to get around to designing and
building a GPSDO. Well, he has done it now and you can see it at
<http://www.techlib.
the output frequency.
BillWB6BNQ
Clint Jay wrote:
Yes, in the 5650 there's only DDS on opt 58, in the 5680 there is one in
the main loop too, my bad for not being precise/muddled.
On 10 Jan 2017 01:43, "wb6bnq" <wb6...@cox.net> wrote:
HI Bob & Clint,
If yo
n 58 being
discussed.
BillWB6BNQ
Bob kb8tq wrote:
Hi
In most Rb’s (including the FE 56xx’s) the DDS is mixed with a fixed microwave
frequency signal. The DDS only has to make up “part” of the total offset. You get
roughly a three orders of magnitude improvement because of this. Rick has
.
This method does not give a lot of confidence as to preciseness. The
real value in these Rb units is they have a much lower drift rate than a
reasonably good quality Quartz oscillator. Typically less then parts in
10 to the minus 10th or minus 11th per month.
BillWB6BNQ
Mathias Weyland
.
Hopefully the above helps to clear up your query ?
BillWB6BNQ
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purchasing a second expensive 20 GHz
signal generator. They are around $10,000 each, so a bit out of my price
range.
Dave
Dave,
I would not automatically assume that the problem is at your end of
things. It could well be something has gone wrong at the other end.
BillWB6BNQ
?
The available number of SATS is quite low and could be a matter of concern.
BillWB6BNQ
Pete Stephenson wrote:
On 12/15/2016 7:45 PM, Charles Steinmetz wrote:
Tom wrote:
There's something very odd going on here, either with Pete's TBolt,
and/or with Mark's Heather v5.
2) It also
as well.
BillWB6BNQ
Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
On 9 December 2016 at 19:58, BIll Ezell <w...@quackers.net> wrote:
Sorry if I'm behind the times, just did a new project that required a pcb,
and ExpressPCB is my go-to vendor for one-off boards. I just noticed th
Hi Bryan,
No ! Assuming you mean R1/R2/C1/C2 of the Miller schematic, those
values are already set for the comparison frequency (10KHz) of the PLL
phase comparator (U2).
BillWB6BNQ
Bryan _ wrote:
Hello:
I have been following the Jim Miller simple GSDO build project at http
Hello Orin,
Like I mentioned before http://www.futurlec.com/PCBService.shtml will
accept the ExpressPCB program file and their prices are very reasonable
compared to having the work done through ExpressPCB themselves.
BillWB6BNQ
Orin Eman wrote:
On Fri, Aug 12, 2016 at 7:25 PM, Brooke
otroom.com/CopperConnection/index.html )
It is a bit more involved than the ExpressPCB program and does have
GERBER files as a selection. However he charges for the program but it
seems the prices are reasonable (
http://www.robotroom.com/CopperConnection/Buy.html ).
73....BillWB6BNQ
Di
the radical slope. In addition you
will also have to consider the elevated temperature effects on the other
components. It is a never ending battle.
BillWB6BNQ
Bob Camp wrote:
Hi
Ok, with a TCXO you have a temperature sensor that tries to servo the crystal on to frequency.
You also have
th respect to the shooting)
is if all the bullets were directly in the bulls eye (center of
target). And if you can consisterntly repeat hitting just the bulls eye
then you have stability.
BillWB6BNQ
BJ wrote:
Hi Time Nuts,
I'm fairly new to the fascinating world of time and frequency, so I
Hi Douglas,
Blowing up the picture shows some lettering in the white bar at the
bottom of the display (fairly fuzzy). It looks like it is saying 2
volts for the signal with the scope set to 0.5 volts per division.
BillWB6BNQ
Douglas Bercich wrote:
I was looking but can't find a V
set it to near the
turnover point and the pot's small value may have just enough range to
make it just past the turnover point.
My two cents,
BillWB6BNQ
time...@metachaos.net wrote:
I have just about finished trashing this OCXO. I was able to run it outside of
its case, and I have
Mike,
Way more likely that "POT" set the temperature of the oven.
BillWB6BNQ
time...@metachaos.net wrote:
Bob,
The vendor has said that they did not want the unit back. So...
I opened it up. Crudely, I admit. I learned a few things. I was concerned
about the outer case heat
Hi Logan,
My guess is there is some second or third harmonic energy present. I
have observed the very same thing on another oscillator. Look at it
with a spectrum analyzer and see what kind of harmonic energy is there.
BillWB6BNQ
Logan Cummings wrote:
Hi All,
Curious what
into 600 Ohms which is 0.7745966692414834 Vrms. More
commonly referred to as 0.775 Vrms.
As for your GPS questions, I will leave that up to others to answer.
BillWB6BNQ
time...@metachaos.net wrote:
Hi,
I am a newbie to this list. I have downloaded the archives and read about
5,000
A whole year ago ? ? ? ? ?
paul swed wrote:
The Wildwood, NJ eLoran transmitter will be continuously broadcasting from
0900 (EST) on 05 January 2015 through 1500 (EST) on 15 January 2015.
Wildwood will be broadcasting as 8970 Master and Secondary most of the time
but occasionally may operate
it shows you are only receiving two sats at the time of
screen capature.
BillWB6BNQ
Pete Stephenson wrote:
On Wed, Apr 22, 2015 at 1:47 PM, Bob Camp kb...@n1k.org wrote:
Hi
Backing up a bit to “getting a TBolt running”.
1) instal Lady Heather and get it connected to the TBolt
2) does
on the product at this URL :
http://www.aerogel.com/_resources/common/userfiles/file/Data%20Sheets/Spaceloft_MSDS.pdf
It is not dangerous, but can cause medical problems if mishandled.
BillWB6BNQ
Dave M wrote:
Great find, Arthur. I had already convinced myself to use fiberglass
insulation
frequency range requirements.
BillWB6BNQ
d0ct0r wrote:
Hello,
I would like to ask some advise about the signal distortion I get from
my DDS project.
The T-Bolt GPSDO is in use as a REF signal source (10Mhz) for AD9858
DDS. This chip has two COS analog outputs which opposite to each
Hi Bob,
I think using a latching relay is a very good idea and prudent. Besides
while it is reacquiring lock you would probably be busy resetting VCR's
and so forth.
BillWB6BNQ
Bob Stewart wrote:
Hi Pete,
I don't have any way of knowing. I've asked the seller if he has a copy
list of manuals and other papers etc..
73BillWB6BNQ
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(up to days) is last,
again, with respect to accuracy.
BillWB6BNQ
Karen Tadevosyan wrote:
Many thanks for all your recommendations.
Let me provide more details for understanding of my task.
I am playing with a GPSDO project on base of uBlox NEO-7M (http://www.ra3apw.ru/ublox-neo-7m-ocxo
Dave,
Should have included the main page for that instrument. Here it is:
http://tmi.yokogawa.com/us/discontinued-products/other-test-measurement-instruments/time-interval-analyzers/ta320-time-interval-analyzer/
BillWB6BNQ
Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
I see
Hi Dave,
Here is a link to the manual for that unit.
http://tmi.yokogawa.com/files/uploaded/ta320spec.pdf
BillWB6BNQ
Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
I see this on eBay
http://m.ebay.com/itm/220505574616
Note that the seller has misspelled the manufacturers name. Has
and is electrically NON-conductive.
Food for thought,
BillWB6BNQ
Scott Newell wrote:
Bert asked me to send an update on the FE-5680 tempco mod progress.
It appears that the FE-5680A temperature signal (or maybe it's really
a current sense signal?) can be disabled by removing a single 10k
is. But as I recall
it was covered in a couple of PDF files by people who were showing how
to connect and other such data about the older version.
BillWB6BNQ
Charles Steinmetz wrote:
Bill wrote:
There are two types of FE5680's. The older style used an ANALOG
approach to controlling
frequency. The digital
version does not permit any ANALOG control.
Bert's board is for the newer style DIGITAL version.
BillWB6BNQ
Dave Brown wrote:
Hi Bert
Will this work with all 5680s?
I understood (but may be wrong) that there are several versions of the
5680.
I guess if the serial
that is +/-0.00025
Hertz error. At 1 MHz it is +/-0.5 Hertz error. And, finally, at 1
Hertz it is +/-0.005 Hertz error.
BillWB6BNQ
Kit Scally wrote:
Team Nutters,
GPSDO's are often specified for stability as so many parts per x. Using a
Symmetricom 8040C as an example, this has
as to the purpose
of the specification. Although I probably should have qualified a bit
more. It goes without saying that one should be careful when it comes
to specmanship no matter who it is.
BillWB6BNQ
Tom Van Baak wrote:
The value of 5E^-11 refers to the resolution that the precision
Corby,
It would be nice to have included the eBay item number.
BillWB6BNQ
cdel...@juno.com wrote:
Hi,
I'm selling a nice PRS10 on eBay if anyone is interested.
With manual and schematics.
Works great!
Cheers,
Corby Dawson
___
time-nuts
Hello Samuel,
Well, I just got done designing and building the very same thing. If I
recall correctly it is the same as the HC4046 which is 4 MHz. The 9046
VCO will only go up to 20 MHz absolute maximum. So you will need an
external oscillator and dividers.
BillWB6BNQ
sg sg wrote
Bob,
I am curious, a week or so ago I sent you an email that gave links to
some publications that would serve you very well in helping you to
achieve your goals.
Did you ever get that email and look at the linked PDF files ? ? ? ?
BillWB6BNQ
Bob Albert wrote:
Chris,
Okay you want
of the fundementals of which your questions to this list are centered omn.
73BillWB6BNQ
Bob Albert wrote:
My TS-940S acts as though it receives okay at 60 kHz. Not great sensitivity
but it does receive.
Most HP GPS receivers are expensive ($400?). I was hoping to get some results
There are plenty of other publications, but no need to overload you too
early in the game. The stuff above will give you a basic understanding
of the fundementals of which your questions to this list are centered omn.
73BillWB6BNQ
Bob Albert wrote:
My TS-940S acts as though it receives okay
Hi Zim,
With but a very few exceptions most broadband Amateur radfio trancievers
do not do well below 500 KHz even though many allow for tuning below 500
KHz.
BillWB6BNQ
Graeme Zimmer wrote:
I have a Kenwood TS-940S transceiver that can receive 60 kHz but I
have never heard anything
cover how
those connections work. Otherwise, perhaps someone that owns one could
provide further insight.
BillWB6BNQ
mike cook wrote:
Something that must be simple to explain, but that I can't get my head round.
I got a new 53230A.
When first using it, I measured my T-Bolt 10MHz using
Hi Dave,
Well, the question is do you think that is good or bad for the sound card ?
BillWB6BNQ
quartz55 wrote:
I've been testing my soundcard measurement capability with Speclab, so I hooked
my LPRO Rb to lock my Moto Service Monitor, fed the 1K audio out into the sound
card and I
incoming
signal and the computer's sound card stability. If both are tied to
your House Standard, then it is totally up to the quality of your
local standard's stability and accuracy.
BillWB6BNQ
quartz55 wrote:
Well, Bill, I just don't know. I think that's why I asked. However, I did
for the suggestions,
BillWB6BNQ
Magnus Danielson wrote:
Bill,
On 12/09/2013 02:30 AM, wb6bnq wrote:
Hi Dave,
My question was more centered on determining your expectations. I ran
into an even worse condition with the cheap sound card, in my shop
computer, I used for the Frequency
Bob,
Most EFC circuits are relatively high impedance, i.e., around 50K. So,
we are talking micro amps of current flow.
If there is jitter it is most likely somewhere else in the circuitry OR
you are seeing the natural noise in the GPS system.
BillWB6BNQ
Bob Stewart wrote:
I think
Hi Mike,
Far more interesting, at least to the Time-nut community, is the article
just above the one you reference.
BillWB6BNQ
Mike Naruta AA8K wrote:
An interesting NIST brief:
Perfect Faults: A Self-Correcting Crystal May Unleash the Next
Generation of Advanced Communications
the signal output.
BillWB6BNQ
Bob Burchett wrote:
Anyone have a link or PDF of the T-Bolt schematic? We are never satisfied
with how things that seem to be working fine might fail one day in our
critical environment SO:
The object of the game is so if the T-Bolt fails to provide the 10
Hi Bert,
Any chance of some high resolution photos ?
BillWB6BNQ
ewkeh...@aol.com wrote:
Twelve years ago I did disassemble a regular and a high performance tube,
the only negative effect was I joined time nuts. The guts still decorate my
window sill. The only parts inside that may
their efforts
to the list. But, I do mind when it seems that is the only purpose of
their involvement.
So, I would vote to have him removed from the list.
BillWB6BNQ
Robert Atkinson wrote:
Hi Adam,
If you do not normally monitor this email reflector or contribute to it, why
are you using
.
Your petty, vindictive, verbally abusive and very nasty attack on Mr.
Robert Atkinson shows a serious lack of maturity and was totally
uncalled for. So, my NO vote still stands as you are not worthy of our
company.
BillWB6BNQ
Robert Atkinson wrote:
Hi Adam,
I have copied
know that,
just a feeling. If you got it right, perhaps there are other issues
like part values that have drifted.
BillWB6BNQ
Alan Kamrowski II wrote:
Hi,
Well, I had it apart so I went ahead and tried the heating process on the
lamp. I don't see any splattering on the lamp at all
would gather together as one glob. Perhaps, those who have rejuvenated
these bulbs could provide a keener sense on this point.
BillWB6BNQ
Alan Kamrowski II wrote:
Hi Bill,
Where is the dimple? The bulb end looked circular and smooth? Do you mean
the other end (back end which is visible
oscillators.
BillWB6BNQ
Attila Kinali wrote:
Hi,
While reading up on oscillator circuits i stumbled over differential
oscillator structures (see [1] for example). But sofar i have been
unable to figure out what the exact advantages of a differential
oscillator strucutre in general
To the Group,
Here is a link of Gerry's update video addressing some of the concerns
expressed here and other places.
http://gerrysweeney.com/10mhz-rubidium-frequency-standard-and-signal-distribution-amp-follow-up/
BillWB6BNQ
___
time-nuts
://www.qsl.net/dl4yhf/spectra1.htmlThe Spectrum Lab software.
BillWB6BNQ
J. Forster wrote:
OK. Thanks everybody. Can you please reccomend a make/model?
I'd like something like:
75 to 1300 MHz
USB
Ability to function as a crude SA.
Not crawling w/ birdies or aliasing issues.
Will run on Win XP
Hi Brooke,
The can style should be marked on it. The designation CR41 or 2 is
hanging around the back of my mind. I would have to drag up the few I
have around here somewhere and look at them again.
73BillWB6BNQ
Brooke Clarke wrote:
Hi:
Speaking of old crystals, I found
, especially at short distances.
Irrespective of all that, the power source has no relationship to the
RS-232 or USB for that matter.
73BillWB6BNQ
ewkeh...@aol.com wrote:
I do not understand your question, I am referring to low noise applications
like counters for dual mixers
expensive
and unless you actually need it, it is a complete waste of money. If it
comes with a battery, expect it to not be in very good shape. The
battery pack is made up of large round 2 volt lead acid cells and when
left discharged will leak acid.
BillWB6BNQ
Perry Sandeen wrote:
List
Perry,
I did not pay attention to bottom frequency of the hp SpecAn in my last
post. Do you actually do something below 100KHz ?
BillWB6BNQ
Perry Sandeen wrote:
List,
Â
I just purchased a HP 3585 spec analyzer on E bay
for a reasonable price. I wanted this
instead of the 181 series
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Perry,
Just out of curiosity, who the hell are you talking to and more importantly what
are you talking about ? ? ? ?
BillWB6BNQ
Perry Sandeen wrote:
List,
Wrote: I
have noticed that my Carrier meter doesn't consistently go to Zero. The Meter
itself seems fine.
Your questions
AH-HA,
thank you Bob. Now it makes some sense !
BillWB6BNQ
Bob Camp wrote:
HI
He's answering a question from about a day ago on the R-390 list.
Bob
On Jun 13, 2013, at 7:59 PM, WB6BNQ wb6...@cox.net wrote:
Perry,
Just out of curiosity, who the hell are you talking
WB6BNQ
Mark C. Stephens wrote:
These are 9.8304Mhz, is possible to move them to 10Mhz?
http://www.ebay.com/itm/Symmetricom-SA-22c-9-8304MHz-Precision-Rubidium-Oscillator-5V-and-15V-NICE-/261223397404
-marki
Kind Regards,
Mark Stephens
Mark Clemens Stephens | Customer service engineer | Non
the thermistor as they easily break and the leads are
most certainly brittle after all these years.
Sounds like you need to verify all the power supply voltage levels are correct
before anything else. Most importantly, do not jump to conclusions to quickly.
BillWB6BNQ
Mark C. Stephens wrote
the replacement crystal oscillate.
The 9.8304 MHz is related to various baud rates and also some clocking
frequencies for sound cards. So, don't throw it away as it is still useful. If
nothing else you could phase lock a 10 MHz oscillator to it as there is a
connecting ratio.
BillWB6BNQ
Andy
you could disassemble the Cushman oscillator and replace the variable
capacitor. That would improve things a little but no where near what can be
done
with the Marion 89A.
Hope this is helpful,
BillWB6BNQ
Frederick Bray wrote:
This might be slightly off-topic, but probably
Devices has an
exact replacement. For my use, I have been working on a layout that would
duplicate it but also add the TOSLINK feature so I can get the house standard
over to the radio room from my (so-called)
Lab.
JUst food for thought,
BillWB6BNQ
Kevin Rosenberg wrote:
On Apr 22
.
No matter your view point about eBay, their concern is real and should be of
concern by everyone else. Particularly, as it is being handled to push it
through so fast without the proper vetting.
BillWB6BNQ
J. Forster wrote:
Hi,
I recieved a very odd communication, apparently from eBay
Alexander Wright wrote:
On 07/04/13 21:55, WB6BNQ wrote:
Hi Alec,
I am going to agree with Robert (G8RPI) on his assessment, particularly as
the dip switches are clearly visible in one of the pictures. Although I
wonder why Robert feels unfortunate about the [ two chip DDS
of it on a short term basis.
Thank you,
BillWB6BNQ
Alexander Wright wrote:
On 07/04/13 17:56, Robert Atkinson wrote:
Hi Alex,
These units were used as timing references for secure communication systems
(Havequick). see ebay item 130832014630. Unfortunatly they are an older
design
that will
help you get familiar with the family line. If you have problems with the link
let me know. Also, after you get a successful download let me know so I can
reduce the FTP storage level, thank you.
http://pages.suddenlink.net/stevewingate/cryptic1/for alec on 5650-option-58.zip
BillWB6BNQ
. A second row would have 5 for the 10 minute marks. The third row would be
the hours with just the 12 LEDs but by using dual color LEDs you could cover day
and night.
Just thought I would complicate your project
BillWB6BNQ
Bill Hawkins wrote:
Looking for a long, thin horizontal
Chris,
Can you point me to the web site where the TI Launch Pad is sold for $5
including
shipping ?
Thank you,
BillWB6BNQ
Chris Albertson wrote:
snip
I plan to use a $5 TI Launch Pad. But
basically the same over all ideas he used. At $5 each with shipping
included TI is losing
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system is really two different processes. The FEI-5680A
number
is the generic case and layout style, etc. and another order number is
attached
that tells what is actually arranged inside.
So, the upshot is the older arrangement is easier to play with. Hope this has
been helpful,
BillWB6BNQ
as they talk about
checking
motors and buzzer noise from the watch. That being the case it is more likely
the 18 MHz should be right on frequency.
Well, unless we hear back from the guy and he answers questions put to him, we
really won't know whats up.
BillWB6BNQ
Ed Breya wrote:
How do you know
study of the circuitry.
Good luck,
BillWB6BNQ
john wrote:
Hi
Some very good questions - thanks for the responses. No schematic (or
documentation of any description - Ebay purchase), but I've done some
dismantling and had a poke around with a multimeter. This is what I
find
some of the circuit parameters
to make sure things seem proper.
BillWB6BNQ
john wrote:
Hi
I'm hoping to get some information on the VCXO that sits in my watch
timing machine. The timer is a Chinese clone of a Witschi timer - the
heart of the thing is an 18MHz VCXO marked 'SCTF 03
,
as well as, going direct to the manufacturers for such OEM products.
I do not know if you are aware of it, but and finale product that transmits over
the air may need FCC certification. Other sections might apply in certain
circumstances.
BillWB6BNQ
Rick Harold wrote:
To time experts
,
as well as, going direct to the manufacturers for such OEM products.
I do not know if you are aware of it, but and finale product that
transmits over
the air may need FCC certification. Other sections might apply in
certain
circumstances.
BillWB6BNQ
Rick Harold wrote:
To time experts/EE's
YUP,
The C-130 aircraft uses larger than car battery size wet NiCd to fire up the
Genset that is used to start the Tubo-prop jet engines. Definitely has lower
resistance then the Lead-Acid wet cell.
BillWB6BNQ
Arthur Dent wrote:
But the only NiCd I know about are the AA sized ones.
I
and pushing things
around
trying stretch components.
BillWB6BNQ
Ed Breya wrote:
I've got to make a very clean 10.0594... MHz VCXO for a redo of one
of my old circuits. I previously used a 10 MHz ceramic resonator, which
was easy enough to push around in frequency. Of course, I have a couple
just like your unit.
Is your roughly the same size ? Do you know or have a picture of what it came
out of ?
BillWB6BNQ
Jean-Louis Noel wrote:
Hi all,
Will someone know what it could be?
http://www.stben.net/DSC_0338.JPG
http://www.stben.net/DSC_0339.JPG
Thanks for your help.
Bye
Hi Fabio,
I am not crazy about your 10 MHz input circuit. You might want to consider
investigating John Miles input arrangement at the following web site:
http://www.ke5fx.com/ac.htm
I used it to drive an input to a divider chip without the output resistor or
capacitor.
BillWB6BNQ
fabi
would be a reasonable goal.
BillWB6BNQ
Sarah White wrote:
On 12/10/2012 6:10 PM, Arthur Dent wrote:
I believe that the high temperature alarm you see is triggered at 50 degrees
C. If that is what you're seeing without artificially raising the
temperature
of the Thunderbolt
to the air conditioning cycle.
BillWB6BNQ
Charles P. Steinmetz wrote:
That temperature sensor does have an effect on the final outcome as
it is part of
the internal equation. So buffering the ambient temperature is important.
I've heard this before, but the evidence I have seen does not seem
generator that is automatic when the shore power
drops.
My two cents,
BillWB6BNQ
Joseph Gray wrote:
For my use, I don't think the switching glitch will be a concern.
Most
of the time, the equipment will be in a standby mode. There is a
high
probability
, usually most things get to nominal room
temperature inside of 24 hours. So, in that case RETRACE and WARMUP would mean
virtually the same
thing.
BillWB6BNQ
Bob Camp wrote:
Hi
That's one interpretation and one method of measurement. The other method is
to measure frequency shift
Hello Bert,
The boards look nice but tell me nothing of the circuitry. How about sending
the schematics ?? That way I
can appreciate what it is that you have.
BillWB6BNQ
p.s. By the way, what ever happen with that DMTD you were going to produce
about three years ago ?
ewkeh...@aol.com
mount types.
Do yourself a favor and look at the following URL and download the reprint of
the
QST article.
http://www.rt66.com/~shera/index_fs.htm
BillWB6BNQ
Chris Albertson wrote:
Now you can see the problem with designs that require both a PCB and a
programmed uP. Most people can't
,
BillWB6BNQ
Hal Murray wrote:
jim...@earthlink.net said:
Actually, I think the developing company does have patents on some of the
receiver implementations. You can probably design around them.
What's the fine print in this area? Does NIST have any PR blurbs covering
patents
.
As for the FE-5680 Rb, it would require some filtering and such. Instead of
trying to modify the radio for a direct feed from the Rb it would serve you
better as a source in a PLL type arrangement.
Just my two cents. So give us more details.
BillWB6BNQ
Joseph Gray wrote:
I know that some here
a linear relationship for off
frequency.
I still need to figure out how to measure these voltages with an ADC
and interface to a R-Pi.
Just a fun project, I thought.
Joe Gray
W5JG
On Nov 4, 2012 4:15 PM, WB6BNQ [1]wb6...@cox.net wrote:
Hi Joe
Hi Tom,
I think you missed the point. He is trying to measure the noise floor of the
counter itself. So what he wants to know is if using the same signal for the
time base and input, would that cancel out the signals contribution to the
noise measurement.
BillWB6BNQ
Tom Van Baak wrote
to me your
clock
should not be an issue in of itself. However, I am retired, as such, do not
have
a watch and pay little attention to the wall clock.
BillWB6BNQ
Sarah White wrote:
On 11/3/2012 5:32 AM, Sarah White wrote:
So, at or around 1981 (the year I was born) there was a cool concept
Hi Corby,
Will it start when it gets cold ? How long do you have to let it cool before it
will re ignite ?
Perhaps the lamp oscillator has a problem where it will not oscillate when hot
with the momentary lost of power.
BillWB6BNQ
cdel...@juno.com wrote:
It's been a few years since I
. That certainly wouldn't do, so instead it is done in quasi
secret and sprung on the unsuspecting as a done deal. Clearly, DO IT
and ask for forgiveness afterwards.
So much for government transparency !
BillWB6BNQ
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Bill,
Seems to me the movie Fifth Element had some kind of living quarters similar
to
what you are suggesting sans the bicycle thing.
BillWB6BNQ
Bill Hawkins wrote:
It's a dark and quiet night, and list traffic is way down, so please
forgive
me for this way off topic request. I'm
True-cal,
This is a blantant AD. John should see to it this guy is removed from the list.
BillWB6BNQ
true-...@swbell.net wrote:
http://stockage.elfangelis.fr/cash.php?kxnc%9x%77%1h%08xpidio%4e=943
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