On Tue, Dec 31, 2013 at 2:21 PM, Tom W8JI <w8ji@w8ji.com> wrote:
> . It would be much better to actually shift a carrier, and not do the
> baseband audio signal run though a balanced modulator and then through a
> sideband filter.
Better yet to generate the best transition waveform in data (far more
difficult to do in analog methods) and via a DAC create a completely clean
signal at the TX IF level. Then only conversion and RF issues to keep
clean. Then adjustments to waveform are in firmware.
73, Guy.
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