[time-nuts] 10 MHz Filters

Richard Solomon w1ksz at earthlink.net
Thu Nov 27 11:41:57 EST 2014


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,
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> 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.
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> Thoughts?
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> 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?
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> 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.
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> Now I don’t have any access to any old ethernet LAN boardsso I’d have to build from scratch.
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> 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?
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> Regards,
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> Perrier
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