S E T U P F O R M C H A P T E R 4
Hint: Together with the Peak display setting the Receive Signal Generator's
“Noise” setting allows you to display the actual shape of your audio
passband filter. To do so, set your PowerSDR display to Spectrum,
activate Peak and set the Receive Signal Generator to “Noise”
with Input selected. After a few moments, click the Start button to
stop PowerSDR and select a wider filter setting to see more of your
filter.
Enable HW Signal Generator
The so called “HW” Signal Generator is an RF signal generator as opposed to the AF Signal Generator
described above. Check to activate the HW Signal Generator, enable SPLT and adjust its frequency by
using VFO B.
Note 1: The Receive AF Signal Generator must be set to “Soundcard”, to use
the RF HW Signal Generator.
Note 2: In actual fact, the RF signal is generated using the transmit DSP and
sent through the QSE (Quadrature Sampling Exciter), which is then
looped back to the QSD (Quadrature Sampling Detector) and the
receive DSP.
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112 2003-2009 FlexRadio Systems
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