Re: B200 clock calibration

Hi, In case we use on-board oscillator , how is ADF4001 configured? Does
CP (pin20) output affect the VCXO_Tune ? Is it possible to control this
chip directly from the command line?

The ADF4001’s output charge pump is tristated when not locking to an
external reference, and a resistor divider holds the VCTCXO’s tuning
input
at 1/2 Vcc. The B200 hardware can use the AD9361’s low-speed DAC to
drive
the VCTCXO’s tuning input via AUXDAC1 if R118 is populated; however,
this
functionality is not supported by the B200 UHD driver.

–n

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