[sdiy] Through-Zero FM

[Tim Parkhurst]

So I'm looking at JH's site (looking for a picture where someone had made a
nifty little PCB for use with SMT tempcos... I thought it was JH), and I see
he has several VCOs with "Thru-Zero" FM capability. I've seen this term
bandied about before (especially with respect to frequency shifters), but
I've got to admit I don't really understand what it is or why it would be
useful. Anyone care to enlighten me?  


Tim (not afraid to ask the really stupid questions) Servo

"Epoxy always has the right 'thread' " - Toby Paddock



BTW - also got an email from Jay saying that he wanted to make good on the
tempco order. This is excellent news.


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