[AMRadio] Low modulation


Gary Schafer garyschafer at comcast.net
Mon Feb 19 12:16:48 EST 2007


Just a note about work bench tops if you happen to be doing this high
voltage testing on the bench. Some bench top surfaces like kitchen cabinet
counter tops that are made of formica are very conductive! Be careful.

73
Gary  K4FMX

> -----Original Message-----
> From: amradio-bounces at mailman.qth.net [mailto:amradio-
> bounces at mailman.qth.net] On Behalf Of D. Chester
> Sent: Monday, February 19, 2007 11:24 AM
> To: amradio at mailman.qth.net
> Subject: Re:[AMRadio] Low modulation
> 
> To test the modulation transformer for sure, try high voltage a.c. on it.
> The insulation may be breaking down at higher voltage, while appearing
> normal at 110 v.a.c.





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