Hitesh wrote:Hi hexamer,
When changing the frequency, the signal generator briefly stops while the new waveform is written down to the device. I do not think it will be possible to fix this.
Hitesh wrote:With regards to the coupling, the settings are written down to the device when the ps5000aRunBlock() and ps5000aRunStreaming() functions are called. The AC coupling should remain in place until the settings are next changed (just prior to the device commencing data collection). Changing the resolution may also change the settings.
I hope this helps.
Hitesh wrote:When changing the frequency, the settings have to be written down to the device (apologies, the wording was incorrect in my last post about the waveform being written down).
Hitesh wrote:You may wish to consider a sweep of frequencies from the signal generator.
Hitesh wrote:I have run some tests here and the discontinuity from the PicoScope 2204A is something I can repeat with a PicoScope 2205A so I will raise a bug report for our Development Team. The waveform on the PicoScope 5000 Series should start again from 0V when the frequency is changed. In tests that I ran, the transition is around 700us (see the screenshot below).
Hitesh wrote:I was referring to the flexible ADC resolution for the PicoScope 5000A/B devices. With voltage ranges, there should not be any impact unless you change the coupling in the call to psXXXXSetChannel().
Hitesh wrote:Hi Aaron,
I have put forward a request to our Development Team to see if they can update the signal generator operation to avoid the discontinuities.
Hitesh wrote:The psXXXXSetSigGenPropertiesBuiltIn functions allow the User to change certain properties of a signal generator while it is waiting for a trigger event - note that the waveform type, offset voltage and peak to peak voltage cannot be changed.
Hitesh wrote:It is part of the blocking effect of the capacitor that is causing the effect with the attenuation.
Users browsing this forum: No registered users and 2 guests