Voltage-Mode Four-Phase Sinusoidal Generator and Its Useful Extensions

Figure 6

Fourier spectrum for different “𝐶.” (a) 𝐶=8 pF, FO = 12.5 MHz; (b) 𝐶=6 pF, FO = 17.5 MHz; (c) 𝐶=4 pF, FO = 25 MHz.

(a)

(b)

(c)