Look again, the fully loaded -3dB bandwidth is specified as 300MHz:-)
Regards
Nigel
GM8PZR
In a message dated 08/08/2013 03:06:57 GMT Daylight Time,
ma...@non-stop.com.au writes:
Seems they are rated to 5MHz according to the manufacturer..
They ebay item number is 161081736069.
--marki
When I get my units, I will test them and see how good they are at 10MHz.
The changes are quite simple (changing the impedance from 75 to 50 and
generally removing bits that are not required. If it works as the video
suggests the it is a very cheap 10GHz distribution amplifier.
Regards
Hal Murray wrote:
http://www.ted.com/talks/todd_humphreys_how_to_fool_a_gps.html
Good overview leading up to GPS Spoofing.
It's a year or so old so it doesn't cover any of the recent spoofing demos.
This is indeed a good summary of GPS applications and potential risks.
Thanks for the
I received this advertising blurb, and wondered whether it had any interest
for the group:
__
Silicon Labs' new Si5328 jitter-attenuating precision clock multiplier is
the lowest jitter, most frequency flexible Synchronous Ethernet (SyncE)
clock on
Yup, Seller just emailed me.
Something about antipodeans and convicts ;)
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf
Of Brooke Clarke
Sent: Thursday, 8 August 2013 1:10 PM
To: time-nuts@febo.com
Subject: Re: [time-nuts] Rb video
Hi
On 8 August 2013 04:10, Brooke Clarke bro...@pacific.net wrote:
Hi Mark:
These only ship to the UK.
Does not ship to the US
Have Fun,
Brooke Clarke
I've bought one. On the message to seller I have asked if he will
ship outside the UK.
I've had a couple of those rubidiums a few years, but
Sells to France if asked. I mentioned there might be interest from the US.
Mike
Le 8 août 2013 à 11:19, Mark C. Stephens a écrit :
Yup, Seller just emailed me.
Something about antipodeans and convicts ;)
-Original Message-
From: time-nuts-boun...@febo.com
On 6 August 2013 09:37, Raj vu2...@gmail.com wrote:
Found this on Hack-a-day
http://www.youtube.com/watch?v=chrzrod3tQY
Cheers
--
Raj, VU2ZAP
Interesting video. I decided to but one of the distribution amps. I
already have the rubidium. There were a few things that struck me in
the video.
None left from that batch. Hope you got yours.
Points taken, but cheap enough to experiment with.
Le 8 août 2013 à 13:08, Dr. David Kirkby a écrit :
On 6 August 2013 09:37, Raj vu2...@gmail.com wrote:
Found this on Hack-a-day
http://www.youtube.com/watch?v=chrzrod3tQY
Cheers
--
On 8 August 2013 14:49, mc235960 mc235...@gmail.com wrote:
None left from that batch. Hope you got yours.
I suspect he has a lot. He originally listed 10, and all them have
gone, so he has listed another 10
http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItemitem=161082475549
Dave
Shipping 30Kgs ? !!! Does this box weigh that much?
Raj
At 08-08-2013, you wrote:
On 8 August 2013 14:49, mc235960 mc235...@gmail.com wrote:
None left from that batch. Hope you got yours.
I suspect he has a lot. He originally listed 10, and all them have
gone, so he has listed another 10
The number on the front panel shows 53 on the current picture...
That gives hope to those who still think about it... :-)
Volker
Am 08.08.2013 16:05, schrieb Dr. David Kirkby:
On 8 August 2013 14:49, mc235960mc235...@gmail.com wrote:
None left from that batch. Hope you got yours.
I bought one of these DA's from the same seller and according to the
user's guide the BW is 300 MHz, fully loaded. I didn't measured it but
it works very well at 10 MHz.
Regards,
Ignacio EB4APL
On 08/08/2013 3:39, Mark C. Stephens wrote:
Seems they are rated to 5MHz according to the
I got one of these, and the PPS looks good, though I don't quite have the
equipment to measure it. I am testing by comparing its PPS output to the PPS
output of my Oncore UT+ with my 5334B on the TI A-B setting. The difference
seems to be bouncing around based on two variables: 1) The UT+
Hi Dave,
The old thin pin 75R BNC sockets are rare these days. Most equipment now uses
intermateable sockets that use the same size contact as 50R but with reduced
diameter dielectric to maintain the impedance match. Fully compatible with 50R
without damage. The only small drawback is that the
Hi
Bigger is indeed better when it comes to heat sinking these Rb's. Unlike an
OCXO, they run quite a bit longer if you cool them well. If you want to get
fancy, you can run a speed controlled fan on the heat sink to regulate the
temperature. You still want to pick a temp that's as low as you
I also use a blinking status LED controlled by an ATTINY13 AVR chip. It also
reads a temperature sensor and controls a PWM'ed fan. The LED blinks out the
temperature.
BTW, the guy made a lot of bad decisions in his build. FOr instance, he
should have brought out the Rb frequency/PPS
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