[Yaesu] New techniques used in FT DX-9000 family

4x1ad 4x1ad at iarc.org
Sun Dec 5 05:52:52 EST 2004


FYI,

New techniques used in FT DX-9000 family (as given in the technical overview brochure):

*400MHz HR-DDS (High resolution DDS)

*selectable 3kHz roofing filter (also 6 & 15kHz)

*22Vdc front end circuitry

*new Texas Instruments 32bit DSP processor TMS320C6711

*new mu-system filter (hi-Q BPFs in front-end with 1.1" diammeter coils for RX optimizing on 1.8-14mHz range)

*0.03ppm TCXO 

*-50dB 3rd-order TX IMD on Class A 100W output

*optional dual-receive unit

*optional VRF unit

*optional mu-system tuning unit for 1.8, 3.5/7 and 10/14MHz

*optional flash memory card unit

*optional d=6.5"/ 800x480 dot TFT display unit






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