Fig. 1. Schematic diagram of H-bridge structure current source

Fig. 2. Circuit structure and operation diagram of series impedance with load

Fig. 3. Equivalent circuit of current source load

Fig. 4. Bode diagram of G(s)

Fig. 5. Distribution of load gain versus frequency and resistance R

Fig. 6. Simulation schematic (a), open-loop Bode diagram (b), and step response of power supply (c)

Fig. 7. Smooth switching characteristics of MOSFET with respect to current variation