Aerospace Instrument-Making Annotation << Back Method of forming the requirements to impedance of spacecraft’s power systems I.N. Pozharkova, D.V. Kapulin The method of forming the requirements for amplitude and phase frequency characteristics of the impedance of the power systems of spacecraft in the early stages of design with specific loads a particular spacecraft and the session bean schedules switched electricity is proposed. Key words: impedance, power supply, power consumption, spacecraft, stability. E-mail: kapulin@gmail.com. Pp. 12-16.