Inductive feedback oscillator circuit

Inductive feedback oscillator circuit

Figure 4-10 Inductive feedback oscillator circuit?
(a) Actual circuit; (b) AC equivalent circuit; (c) High-frequency equivalent circuit

Similar to the analysis of the capacitive feedback oscillator, the oscillation frequency of the oscillator can be approximated by the resonance frequency of the loop, namely

Where L is the total inductance of the loop, as shown in Figure 4-9

In fact, from the analysis of phase balance conditions, the oscillation frequency of the oscillator is expressed as

Vibration conditions Engineering does not consider the influence of gie when calculating the feedback coefficient, the size of the feedback coefficient is

According to the analysis of the vibration conditions, it can also be obtained that the gm at the time of vibration should meet

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