[AMRadio] Low modulation Gates BC-1T


Bill Smith hbco2 at sbcglobal.net
Sun Feb 25 16:18:07 EST 2007


Hmm... you may have shorted turns in the modulation transformer, but it is
difficult to know without terminating the secondary with a resistive load,
and measuring the power output.  I would assume the transformer is the
correct part and hasn't been subsituted somewhere along the way.

Frustrating!

73 de Bill, AB6MT
hbco2 at sbcglobal.net

----- Original Message ----- 
From: SBJohnston at aol.com
To: amradio at mailman.qth.net
Sent: Sunday, February 25, 2007 12:34 PM
Subject: Re: [AMRadio] Low modulation Gates BC-1T



I just confirmed that the grids of the 833s are indeed being fed 180 degrees
from each other.  One signal had more RF from the driver (only low B+ was
on)
than the other, but otherwise all seemed normal.

Steve




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