Figure 6. Experimental results of output waveforms with (a) f = 100 kHz, (b) f = 500 kHz, (c) f = 800 kHz for the proposed square/triangular wave generator

From

Square/Triangular Wave Generator Using Single DO-DVCC and Three Grounded Passive Components

Hung-Chun Chien

American Journal of Electrical and Electronic Engineering. 2013, 1(2), 32-36 doi:10.12691/ajeee-1-2-3