I have 4 or 5 devices that use the 10 MHz from my Trimble Thunderbolt.
All but one have high impedance 10 MHz inputs, so the Thunderbolt
can drive the lot without any amplifier.
When I put together my Thunderbolt, power supply, and filter I assumed I
would
need a distribution amp ans made provisions for it. Turns out it is not
necessary.
The real trick was locating well shielded patch cables to keep the
Thunderbolt from
jamming WWV on 10 MHz.
On 11/27/2014 08:41 AM, Richard Solomon wrote:
If you want to see how to really do it right, check out this
distribution Amp
on the TAPR site.
https://www.tapr.org/kits_tadd-1.html
73, Dick, W1KSZ
On 11/26/2014 9:08 PM, Perry Sandeen via time-nuts wrote:
List,
I have seen on the net a 10 MHz filter using 10.7 IFtransformers
but have no idea how well they would work for isolation with thenew
style Lucent boxes.
Thoughts?
On Ebay venders are offering 10 MHz crystals for almostnothing if
you buy 30. My question wouldthese be good for making some type of
simple ladder filter?
In his article *Modifying Lucent RFG-M-RB Rubidium
FrequencyStandard* the author used a 10MHz filter that was taken from
an old 10MbitEthernet LAN board. The part number he used was 20F001N
and I found them onEbay for low prices.
Now I don’t have any access to any old ethernet LAN boardsso I’d
have to build from scratch.
Does anyone of these methods have an advantage over theothers on
the new style Lucent boxes or in the making of a small
distributionamplifier with good isolation?
Regards,
Perrier
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--
Chuck Forsberg WA7KGX [email protected] www.omen.com
Developer of Industrial ZMODEM(Tm) for Embedded Applications
Omen Technology Inc "The High Reliability Software"
10255 NW Old Cornelius Pass Portland OR 97231 503-614-0430
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