[time-nuts] FE-5680A arrived
wb6bnq at cox.net
Wed Jan 11 22:30:51 EST 2012
The Vectron 63.xxxx MHz oscillator is just a through in freebee. Here is the
pin-out from a reliable inside source:
Supply voltage (Vs) is 3.3V +/-5%
Pin 1 is RF out
Pin 2 is ground
Pin 3 is Vc
Pin 4 is Enable-disable (not used on all designs)
Pin 5 is Vs
Looking at the bottom with the side that has 3 pins orientated at the top, pin 1
is on the left, pin 2 centered and pin 3 on the right. On the bottom edge pin 4
is on the right and pin 5 on the left.
I was led to understand that the current version "C4500" is a very close cousin.
The C4500 spec sheet also shows the same pin-out. The 63.xxxx MHz unit is around
a couple of hundred ppb stability. Nothing great but would be ok as a source for
a DDS project if you did not need tight specs.
"Paul F. Sehorne" wrote:
> I notice that on eBay nichegeek provides a NEW OCXO VECTRON 63.8976Mhz
> with the FE-5680A. What is it used for. Is something external needed
> besides the power supply?
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