[time-nuts] Trimble Thunderbolt E frequency pulling
GandalfG8 at aol.com
GandalfG8 at aol.com
Tue Nov 24 20:42:35 UTC 2015
Al, Thanks for the good idea, that would certainly have saved me a bit of
work:-), but the switch box inserted in the coax line with the counter input
set to high impedance performs the same function, straight through
connection with the option to switch in a 50 ohm shunt resistor, and it's quite
clear that the frequency shift is virtually instantaneous.
Nigel
GM8PZR
Nigel,
Set your counter to high impedance. Then install a T connector on the
input. Then you can install or remove a 50 ohm terminator on the T while
plotting the results. Then you can see how fast the frequency shift is
depending on the load.
AL, k9si
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