Graphite Intended for Green Engineering Developed by Noncontaminant Reverse Abrasion

Figure 5

(a) Practical circuit implemented for derivative of a signal. (b) Block diagram to realization of a PWM circuit based on graphite architectures. (c) Derivative of a signal without bias voltage. (d) Derivative of a signal with bias voltage.

(a)

(b)

(c)

(d)