DSB SC Mode
On a sunny day (Mon, 12 Jun 2006 20:22:15 GMT) it happened james
wrote in :
On Sun, 11 Jun 2006 14:38:54 GMT, Jan Panteltje
wrote:
+++Something wrong here, DSB-SC received on a normal set can only be
+++made 'inteligible' if it is received as SSB.
+++SSB is simply one sideband of the 2 DSB sends, so your BFO is [just as]
+++critical.
+++If you BFO is of center (so you re-insert the wrong carrier) and your RX
+++filter already removed the other sideband, then you have all the 'duck'
+++sound of SSB.
+++Moderns CB sets have no 'DSB' option, only USB / LSB, so always use one
+++sideband.
+++In case a set DOES pass both sideband, you get double the problem....
+++
+++Maybe you mean something else by DSB-SC altogether? Leave SOME carrier?
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DSB-SC reception is not restricted to just SSB-SC receivers. A DSB-SC
signal can be received by reinjecting the carrier, even on a DSB
receiver.
It can be received even on an AM receiver if you feed in a local oscillator
at fc, I have done this, so what is your point?
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