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Looking for VCO at 3.4 Ghz and tuning sensitivity of 1Mhz/V or less

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ashutosh_g

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i need a VCO which has a tuning sensitivity of 1Mhz/V or lesser
and it should operate around 3.4GHz
can anyone guide me ...where i can obtain such a VCO ?
 

G4BCH

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Re: VCO wanted

Such a low tuning rate implies a very stable resonator, something like a ceramic resonator.

You could try Z-Comm they have some Ceramic resonator VCOs that have tuning rates of a few MHz per volt.

I doubt you will find an 'off the shelf' design from anyone.

Peter
 

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ashutosh_g

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Re: VCO wanted

thanks peter!
my problem is i want it to be to be very stable !
thats what the low tuning senstivity is for (1Mhz/V)
and i want it to cosume as little power as possible ( around 10-20mW or even less)

which manufactures can do this for me ?
custom made design ?

-ashutosh
 

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Re: VCO wanted

HI Ashutosh
Z-Comm will do custom designs but I expect that they will want good volumes for it.

If size is not too much of a problem you could probably find a Dielectric resonator oscillator manufacturer that has a design in the right range with electrical tuning.
It will quite a size as the puck and cavity will I guess be about 25mm square.
A search for DRO, or deilectric resonator ( or resonance ) oscillator will come up with a number of manufactures.

Peter
 

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