Sounds like your phase lock loop isn't locked.
On Thu, 06 Jul 2000 07:32:13 GMT, ursb@my-deja.com wrote:
>Using CVI5 and NIDAQ 6.51 on Win9X I try to generate a continous
>waveform output on the analog output. One application is sending a pulse
>to flash a lamp (1% duty cycle).
>We are observing a strange 'jitter' on the pulse width although there
>is no update from the program. The amount of change and its 'frequency'
> depends on the system (PC, DAQ Card...). Strange enough it gets worth
>when there is no data acquisition at the same time.
>Is there a proper solution to eliminate this problem?
>Has anybody written a continous pulse generator using on board timers
>with NIDAQ/CVI or LabView?
>
>Thanks for any help
>Urs
>
>
>Sent via Deja.com http://www.deja.com/
>B
efore you buy.
