2015年8月24日月曜日

Direct Digital Sampling Method ( ICOM IC-7300)

New method of transceiver are developed by ICOM company.


This transceiver uses "Direct Digital Sampling Method".
There is no frequency conversion mixer.
It can reduce noise generated in the mixer.

"Direct conversion Method" has been well known type of design used in latest cell- phone or pocket-bell since end of 20 century.

"KX3" is one of Software Defined Radio that uses DSP based on "Direct conversion Method".

IC-7300 is also one of Software Defined Radio that uses DSP based on "Direct Digital Sampling Method".

Noboru, Ji1NZL


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