Program: the system part of the organization: signal chip AD9850+ SCM STC89C52+ show LCD1206+ key chip features a brief (details can be found in 21ic website see.) AD9850 using DDS (direct digital synthesis) technology, that is, input frequency, through internal modulation, the DAC generates the signal theoretically can produce 0 ~ 40MHz sine wave signal used in this design, the user through the key circuit to set the frequency value by the microcontroller sent to AD9850, generate sine wave signals.

SG_AD9850.M51
SG_AD9850.opt.bak
SG_AD9850.plg
SG_AD9850.Uv2.bak
SG_AD9850.uvopt
SG_AD9850.uvproj
SG_AD9850_Opt.Bak
SG_AD9850_Uv2.Bak
SG_AD9850_uvopt.bak
ad9850.h
config.h
delay.h
key.h
lcd1602.h
MAIN.C
MAIN.LST
MAIN.OBJ
RS232.H
SG_AD9850
SG_AD9850.hex
SG_AD9850.lnp

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