[Boatanchors] Why connect the heater to the cathode?

[GGLL]

	Hello Lee, it is a heater to cathode voltage insulation issue. Read 
page 711, there is a good explanation.

Regards
Guillermo - LU8EYW.

El 25/08/2010 16:42, LeeCraner at aol.com escribió:
> In the 1959 handbook is a electronic voltage regulating circuit (the same
> circuit can be seen by pulling up the RCA 5651 tube data sheet off of the
> Web).  The circuit uses a 5651, 6AS7 and a 6SL7.
>
> What I find interesting is that the 6SL7 heater is connected to the
> cathode.  What would this accomplish?
>
> 73
> Lee WB6SSW
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