Model voltage controlled oscillator
Mixed-Signal Blockset / PLL / Building Blocks
VCO or voltage controlled oscillator is a voltage to frequency converter. It produces an output signal whose frequency is controlled by the voltage at the input vctrl port. The frequency of the output signal, F is determined either by:
where:
Kvco = voltage sensitivity (in Hz/V)
Vctrl = control voltage (in V)
Fo= free running frequency (in Hz)
or from linear interpolation using the mapping:
where:
Vctnl = vector of control voltages (in V)
Fout= vector of corresponding output frequencies (in Hz)
[1] Banerjee, Dean. PLL Performance, Simulation and Design. Indianapolis, IN: Dog Ear Publishing, 2006.