Calculate the VCO free-running frequency for the circuit of Fig. 13.26b with R1 = 4.7 kΩ a...

Calculate the VCO free-running frequency for the circuit of Fig. 13.26b with R₁ = 4.7 kΩ and C1 = 0.001 μF.

FIG. 13.26b Phase-locked loop (PLL): PLL connected as a frequency demodulator: