subject:"\[time\-nuts\] 50 Ohm vs. 75 Ohm RF cable"

Re: [time-nuts] 50 Ohm vs. 75 Ohm RF cable

2012-02-07 Thread lists

plyTo: Tom Miller ReplyTo: Discussion of precise time and frequency measurement Subject: [time-nuts] 50 Ohm vs. 75 Ohm RF cable Sent: Feb 7, 2012 3:00 PM > > There is no particular advantage in one or the other, at least not > for most applications. It's tradition that measurement and (

[time-nuts] 50 Ohm vs. 75 Ohm RF cable

2012-02-07 Thread Tom Miller

There is no particular advantage in one or the other, at least not for most applications. It's tradition that measurement and (most) RF gear uses 50R, while TV and radio uses 75R. (there was once a reason for this, but i don't know it). FYI, The reason there are two primary impedance's in us