Low frequency analogue VCO

Hi,

I’m looking for an analogue VCO (or PLL), with these characteristics:


- analogue output being a pure sinewave with excellent spectral performance (single harmonic)


- the output sinewave frequency ranging from < 1 Hz to 1 or 2 kHz only


- the possibility to reset the phase to zero with an external trigger ideally

Thus, DDS won't be suitable from my understanding.


Would AD have any such component by any chance?

Thanks,

Jean

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