# adf4351-udc-tx-pmod ## Channel Attributes ### altvoltage0 | Name | sysfs filename | Default value | | ---- | -------------- | ------------- | | frequency | out_altvoltage0_frequency | | | frequency_resolution | out_altvoltage0_frequency_resolution | | | powerdown | out_altvoltage0_powerdown | | | refin_frequency | out_altvoltage0_refin_frequency | | **iio_attr example:** ```bash iio_attr -u ip:analog -c adf4351-udc-tx-pmod altvoltage0 frequency ``` **Python bindings example:** ```python import iio ctx = iio.Context("ip:analog") dev = ctx.find_device("adf4351-udc-tx-pmod") chan = dev.find_channel("altvoltage0") rval = chan.attrs["frequency"].value ``` ***