[time-nuts] Photodiodes for high frequency OPLL

[gary]

I've bought optical filters from Andover. They are pretty cheap, at 
least compared to the rest of the industry.
> http://www.andovercorp.com/Web_store/index.php


On 3/31/2013 5:52 AM, Attila Kinali wrote:
>
> Probably. But as steep filters for optics are kind of hard to come by,
> i think a super heterodyne design isn't realy going to work.