Frequency shift

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This block is a convenience wrapper around using a rotator block for frequency shifting. This block obfuscates the 2*Pi*freq/samp_rate phase_inc field and calculation, and only requires the designer to provide the frequency and sample rate.


Sample Rate
Input Sample Rate

' Frequency Shift ' Amount of Frequency Shift to be applied to input signal (Hz)

Example Flowgraph[edit]

This flowgraph uses an Add Block to generate the classic "dial tone".

Freq shift block doc fg.png

Freq shift block doc plot.png

Source Files[edit]

C++ files

Header files

Public header files

Block definition