Re: DSB transceiver for Digital mode

Adam Rong
 

Technically it is possible. Just change the crystal and I might be able to customize it. However, we will need to consider the unwanted LSB signal will go into FT8 spectrum and it might cause interference although the power is still QRPp level.

If we want to experiment, just pull high the crystal a bit to see how high it can go, maybe 7075 or 7076 but not easy to get 7078 for a HC49S holder crystal.

Thanks,
Adam

在 2019年4月21日,下午10:39,Jim <KH2SR@...> 写道:

Would it be possible to make this rig operate on the JS8CALL frequency of 7.078 instead? 

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