[time-nuts] altinex switches

Bob Camp lists at rtty.us
Thu Feb 21 21:16:42 UTC 2013


Hi

Be careful with the BNC connectors on those switches. 75 ohm BNC's aren't
the same as 50 ohm connectors. The inner contact is different enough that
they don't always play well together. 

Bob

-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Arthur Dent
Sent: Thursday, February 21, 2013 3:57 PM
To: time-nuts at febo.com
Subject: [time-nuts] altinex switches


I haven't looked any further but the daughter boards 
in the unit have 75 ohm resistors which I'm guessing 
determines the input/output impedance of the unit. 
If that's the case it should be easy to switch it to 50 
ohms although it may not make any real difference.

-Arthur
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