[time-nuts] filtering a 10Mhz frequency standard?

Dan Rae danrae at verizon.net
Mon Dec 12 21:11:41 EST 2011


On 12/12/2011 5:54 PM, Chris Albertson wrote:
> What is the best practice for filtering a 10Mhz sine wave frequency
> standard?   I've read that you can do more harm than good. Filter
> parts  (caps, resistors and so on) are all temperature sensitive. But
> all those $40 Rb oscillators are putting out a pretty rough looking
> sine wave.
>
> Are some types of filters better.  I thought about a crystal filters.
>
The LC filter in the TADD-1 is very effective.  Mind you the coil 
winding information given in the parts list is incorrect.

Dan




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