[Elecraft] Roofing filter for CW

[Bill W4ZV]

WB8ENE wrote:
> 
> How does the loss of the 250Hz compare to the 400HZ. 
> 

http://www.inrad.net/product.php?productid=150&cat=140&page=1 (see plot)
http://www.inrad.net/product.php?productid=149&cat=140&page=1 (no plot)

"Typical Insertion Loss  	250 Hz: < 9 dB; 500 Hz: < 7 dB"

Both appear to be ~9 dB.

73,  Bill

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