krohn hite 3800 narrow band tracking filter

ID: 256100
krohn hite 3800 narrow band tracking filter 
07.Jun.11 18:02
4973

John Schumann (USA)
Count of Thanks: 13

 I puchased a used 3800 tracking filter recently ,I have not tried it yet ,but What it claims to be capable of seems incredible. It will track a signal and bandpass the frequency at band widths as narrow as 0.001 Hz That is a Q of 1 million. I will be updating this as I learn how to use it

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