Memristive and memcapacitive astable multivibrators

In this chapter, two astable oscillators are introduced by making use of memristor and memcapacitor emulators, respectively. First, the oscillating characteristics of an astable multivibrator based on flux-controlled memristor emulator and 555 timer are explored. Then, another astable oscillator is newly implemented based on one floating memcapacitor emulator and two NOT gates. The inclusion of memristor or memcapacitor in the astable oscillators provides a new option allowing for large degree of flexible control over frequency as well as duty ratio.