[time-nuts] is there a "best bet" advanced hobbyist buildable GPSDOdesign?

[Bruce Griffiths]

Scott

Data delay devices (http://www.datadelay.com) also do programmable delay
lines their minimum order is $US75 which isnt too bad particularly if
more than one sawtooth corrector is to be built.
They even do ECL programmable delays as do Micrel (http://www.micrel.com).
However these ECL programmable delay devices dont have enough range for
this application.

If you solve the multiplexer problem and use embedded calibration you
could use circuit board traces to implement the delay line sections,
however a lot of PCB real estate would be required.
Such delays also have significant tempcos when using fibre glass PCB
substrates.

Bruce