[HBR] Pullen vs diode ring mixers

[Brian Burns]

Hello Tim,

~ The diode ring mixer is an example of a "Doubly balanced" mixer.

~ I think in old ARRL Handbooks and especially "SSB handbooks" you can find
examples of quad diode tubes being put to use as DBM's. The transformer
winding details should prove useful.

~ Tim N3QE

Thanks very much! That's just the sort of information I was looking
for---I'm off to my shelf of reference books (:->)...

Cheers,

Brian


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