diff options
Diffstat (limited to 'host/include')
| -rw-r--r-- | host/include/uhd/rfnoc/ddc_block_control.hpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/host/include/uhd/rfnoc/ddc_block_control.hpp b/host/include/uhd/rfnoc/ddc_block_control.hpp index 834fa0aa3..053b78c4c 100644 --- a/host/include/uhd/rfnoc/ddc_block_control.hpp +++ b/host/include/uhd/rfnoc/ddc_block_control.hpp @@ -79,6 +79,13 @@ public: /*! Return the range of frequencies that \p chan can be set to. * + * The frequency shifter is the first component in the DDC, and thus can + * shift frequencies (digitally) between -get_input_rate()/2 + * and +get_input_rate()/2. + * + * The returned values are in Hz (not normalized frequencies) and are valid + * inputs for set_freq(). + * * \return The range of frequencies that the DDC can shift the input by */ virtual uhd::freq_range_t get_frequency_range(const size_t chan) const = 0; |