Investigation on Locking and Pulling Modes in Analog Frequency Dividers

Figure 3

Normalized locking ranges for an ILFD with saturation-like nonlinearity. Parameters of the SPICE simulations of the circuit in Figure 1 are the following: 𝐿=4nH, and 𝑅=400, 𝜔₀=1.8GHz, 𝐼₀=2mA, 𝑘=2.6/𝑉.

(a)

(b)