[Milsurplus] Series or Parallel Resonant Crystal Oscillator?

[John Poulton]

I believe this is a Colpitts oscillator, though it's drawn for maximum
obscurity.  These use the parallel resonance of the crystal.  C407/C408 are
the impedance-splitting capacitors in the feedback path.

73, John K4OZY

On Wed, Jan 8, 2020 at 2:16 PM David Stinson <arc5 at ix.netcom.com> wrote:

> How can you tell if this oscillator is designed
> for series- or parallel- resonant crystals?
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