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Philco Model 80 Oscillator Coil
#9

(05-26-2015, 03:42 PM)Radioroslyn Wrote:  Hi Mark,
 The small winding at the bottom is the tickler or feedback winding. The others you need to not be concerned with as they are still good. Don't rewind them . They are frequency determining and are some what critical in terms of inductance.

Terry N3GTE

Thanks Terry.  I really appreciate all your help.  I think I am not being clear with my concern.

Aside from the tickler, once I pulled out the oscillator coil I see two good windings.  The inner one is the higher resistance winding and its resistance matches the values that the schematic specifies for the secondary.  Except that winding, the inner one, is wired into the circuit as the primary.

But isn't the inner higher resistance winding supposed to be the Secondary?  I am concerned it is wired wrong.

Maybe I am just overthinking this.

Thanks guys,

Mark


Messages In This Thread
Philco Model 80 Oscillator Coil - by markmokris - 05-25-2015, 09:15 AM
RE: Philco Model 80 Oscillator Coil - by markmokris - 05-26-2015, 07:28 PM



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