Emerging Carbon Nanotube Electronic Circuits, Modeling, and Performance

Figure 6

(a) Schematic of a 5-stage ring oscillator, (b) output waveform of ring oscillator, and (c) oscillating frequency versus supply voltage $V_{\text{DD}}.$ Dimensions of both the n- and p-types CNT-FETs are d = 2 nm and L = 600 nm.

(a)

(b)

(c)