[time-nuts] cheap low power digital compensated XO

Jim Lux jimlux at earthlink.net
Mon Oct 20 18:59:48 EDT 2014



"...Temperature stability is ±5 ppm within the -40°C to +85°C range, 
which enables a highly accurate absolute time offset of 15 seconds over 
the temperature range...."

I don't know that 5ppm is all that wonderful, considering I can get a 
TCXO that is that good fairly easily, but it's much lower power..

They claim 6 microwatts to generate a 1pps.

I don't know how much they cost, but I suspect they're pretty inexpensive

The apnote at Petermann's website gives a fair number of specs (more 
like a datasheet), but no timing performance.

They also don't say much about the DTCXO or how it works.

They're SW of Munich a bit past DLR Oberpfaffenhofen on the way to the 
Boden See.

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