help VCO and crystal oscillator

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ashutosh_g

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i need to find a VCO which generates freuqency of 3.4517GHz and
has an accuracy of .03Hz can u tell me which website i can purchase such a VCO ?

furthermore i need a crystal oscillator of 1ppb accuracy ...is it possible to buy such a crystal oscillator
 

This VCO will Operate on what Voltage an dwhat is the package requirement
 

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    ashutosh_g

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voltage range (typically between 2 to 5V)
and i should be able to get a freuency resoultion of 0.03Hz
 

1ppb parts per billion is really accurate oscillator. Wonder if the best OCXOs can achieve that... I would say that OCXOs can do +- 10 ppb... You might need some more stable oscillators like rubidium...
 

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    ashutosh_g

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Is this a trick question. ANY VCO that can oscillate at that frequency can attain the 0.03 H resolution.

As for the crystal, forgettaboutit. Go with a Rubidium or Cesium standard, or possibly a crystal locked to the GPS system clocks.
 

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    ashutosh_g

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