Features of the external harmonic effect on the nonlinear oscillatory microwave circuit

It is shown that as a result of external influence on a nonlinear microwave circuit, resonances are formed in the system at frequencies determined by the magnitude of the inductance, the constant component of the nonlinear capacitance of the $p$–$n$ junction, at zero offset on it, and the higher harmonics of the nonlinear capacitance. The presence of such resonances forms the amplitude-frequency response of the circuit and allows you to control the spectral response of the oscillations excited in the system. This study was conducted on the basis of circuit modeling using the ADS software package.