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03-19-2010 04:54 AM
Hello everybody,
sorry to bring this up again but Im having trouble with the DAQmx lock-in application from NI. The PLL subvi keeps throwing out apparently random values for the phase. i dont know whether this is normal or it should somehow stabilize around a given value (since its called "lock"-in...). both the TLL square reference signal and the sine input are generated by the same function generator. Frequence range is 50 to 2000Hz.
thanks in advance
04-02-2010 09:00 AM
Hi,
If this topic is still active. Does this lock in kit works for high modulation frequencies e.g. ~100Khz or is their any samppling issue with the PLL or Lock-in VIs at those frequencies.
Thanks.