Thread: Grid Dip Meters
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Old October 25th 04, 02:50 AM
Steve
 
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There was a very useful article in a recent issue of QST about
dip meters. Anyone with a GDO should read it!

The depth and width of the 'dip' is a function of the Q of the
circuit. Some GDO's are not very sensitive, and that may be the
case with yours. If you have an oscillator coil out of an old
AM radio, put a good quality cap (mica) across it and see
how your GDO works with it. You should be able to get a
good dip with your GDO coil about 0.5" away..

Steve W6SSP

BFoelsch wrote in message
...
Does anybody here have any honest-to-goodness experience with Grid Dip
Meters?

I have an old Heath HD-1250, which is a solid state equivalent, and I have
never been convinced that it works well. Seems like the dips are vague,
unless coupling to the circuit is awfully tight.

Anyway, looking for opinions, or preferably facts, as to which grid dip
meters are the good ones and why.

Thanks in advance.