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- Generate RF carrier wave from 1KHz - 4GHz.
- Adjustable power from -20dbm to 10dbm with step 0.5dbm(only available for 20MHz - 4GHz).
- Output power can be calibrated.
- Frequency also can calibrated(Under developing, Not finished).
- Internal VCTCXO with 2ppm initial accuracy and can be calibrated to about 200ppb.
- Internal and external clock source can be select.
- Multi channel harmonic filter, to enhance harmonic contents (SFDR) to -25db(1KHz - 2.2GHz) and -17db(1KHz - 2.2GHz).
All commands can be send by a serial console, with baud rate 115200, 8n1.
actually other baud rate should also work because fdti usb-serial can automatically adapt to different baudrates.
All commands should end with '\r\n'.
Example:
AT+SETFREQ=10MHZ.
AT+SETFREQ=10KHZ.
AT+SETFREQ=10HZ.
AT+SETFREQ=10MHZ,GAIN=10.
AT+SETFREQ=4000000000HZ,GAIN=10.
AT+SETFREQ=4000000000HZ,POWER=10DBM.
AT+SETFREQ=4000000000HZ,POWER=-10DBM.
AT+SETGAIN=0.
AT+SETGAIN=15.
gain range from 0 - 63.
AT+CALIBGAIN=1,INDEX=10.
AT+CALIBGAIN=10,INDEX=5.
AT+CALIBGAIN=10,INDEX=50.
This command is for calibration, user can adjust gain, to make output power = -10dbm, after exec this command, the setting gain will be stored.
Link(github):