that is most likelly a TXCO, what is in the user's manual about warm up
time? if they have a special precise reference -- like for spectrum
analyzer or frequency counter that would have at least one magnitude
better stability and would have OXCO,a good OXCO like the Milliren 260
series or the double oven oscillators from Morion [St Petersburg,
Russia] ones --if they are always heated and have good power supply--
could have 3 x 10^-10 stability
73
Alex
On 9/27/2014 2:36 PM, Dr. David Kirkby (Kirkby Microwave Ltd) wrote:
The 10 MHz high stability oscillator (option 1D5) in my HP 8720D VNA
has the following specs
Stability
0 to 55 deg C, +-/ 0.05 ppm
Aging per year +/- 0.5 ppm
What sort of oscillator is this likely to be - TCXO or OCXO?
Dr. David Kirkby Ph.D CEng MIET
Kirkby Microwave Ltd
Registered office: Stokes Hall Lodge, Burnham Rd, Althorne, Essex, CM3 6DT, UK.
Registered in England and Wales, company number 08914892.
http://www.kirkbymicrowave.co.uk/
Tel: 07910 441670 / +44 7910 441670 (0900 to 2100 GMT only please)
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