Re: sweepers for probe tuning

jim breeyear (jbreeyea@zoo.uvm.edu)
Wed, 22 Apr 1998 08:56:57 -0400

Try a Bird wattmeter in line with the probe , set the AQ time to small
value,increase the pulse width , do a GO and tune for minimum reflected
power. Or if you have Bruker , Wobble. Put a sample in the probe for high
frequency nucleus. It does load the coil. Works for decouplers also.

lew cary wrote:

> Charles: My unity500 tune mode is broken, so I rely on Morris's sweeper
> exclusively. It works better than the 'tune mode' since I can rough in
> with a broad range, then narrow it. I use it for any probe work on the
> bench since I can sweep broad ranges easily and acurately.
> Cheers, Lew

--


=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
Jim Breeyear
Univ of Vermont
Manager, Inst.
Chemistry Dept.