PSM1700 PsimetriQ user manual
8-1
8 Output control
The output for the signal generator is digitally synthesised
at an update rate of 11.52Msamples/s. This gives very
good sinewave waveform, even at 1MHz, while preserving
very accurate frequency control. Output filtering removes
the stepped effect of the sampling.
The output for the signal generator passes through a linear
10 bit attenuator giving amplitude increments of
approximately 10mV.
An offset may be added to any output to bias the signal or
to null out any dc present.
The LEFT and RIGHT keys adjust the frequency of the
generator by a fixed increment stored via the STEP menu;
the UP and DOWN keys adjust the amplitude (except for
the harmonic analyser and power analyser where UP and
DOWN step the selected harmonic).
The generator output may be set to be on, off, dc only
with immediate effect or to drive the ac to zero at a
specific phase of the waveform.
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