User manual

PicoScope 6000 Series Programmer's Guide 73

Applicability

PicoScope 6402/3/4, including B and D variants

Arguments

handle, the handle of the required device

offsetVoltage, the voltage offset, in microvolts, to be applied to

the waveform

pkToPk, the peak-to-peak voltage, in microvolts, of the waveform

signal

startDeltaPhase, the initial value added to the phase counter as

the generator begins to step through the waveform buffer

stopDeltaPhase, the final value added to the phase counter

before the generator restarts or reverses the sweep

deltaPhaseIncrement, the amount added to the delta phase

value every time the dwellCount period expires. This determines

the amount by which the generator sweeps the output frequency in

each dwell period.

dwellCount, the time, in units of dacPeriod, between successive

additions of deltaPhaseIncrement to the delta phase counter.

This determines the rate at which the generator sweeps the output

frequency.

Minimum value: PS6000_MIN_DWELL_COUNT

* arbitraryWaveform, a buffer that holds the waveform pattern

as a set of samples equally spaced in time. If pkToPk is set to its

maximum (4 V) and offsetVoltage is set to 0, then:

a sample of 32768 corresponds to 2 V

a sample of +32767 corresponds to +2 V

arbitraryWaveformSize, the size of the arbitrary waveform

buffer, in samples, from PS6000_MIN_SIG_GEN_BUFFER_SIZE to

PS6000_MAX_SIG_GEN_BUFFER_SIZE.

sweepType, determines whether the startDeltaPhase is swept

up to the stopDeltaPhase, or down to it, or repeatedly swept up

and down. Use one of these values: -

PS6000_UP

PS6000_DOWN

PS6000_UPDOWN

PS6000_DOWNUP

operation, see ps6000SigGenBuiltIn

indexMode, specifies how the signal will be formed from the

arbitrary waveform data. Single, dual and quad index modes are

possible. Use one of these constants:

PS6000_SINGLE

PS6000_DUAL

PS6000_QUAD