Relaxation_oscillator_using_a_SIDAC

Published:2009/7/24 8:17:00 Author:Jessie | From:SeekIC

This figure shows the circuit and corresponding waveforms, where a SIDAC is used as a relaxation oscillator. Being a negative-resistance device, the SIDAC can be used as a simple relaxation oscillator, where frequency is determined primarily by the RC time constant. Once the capacitor voltage reaches the SIDAC breakover voltage V(BO), the SIDAC fires, and dumps the charged capacitor. Power can be obtained by placing the load in the discharge path. Such a circuit can be used as an xeon flasher (Fig. 8- l4). Motorola Thyristor Device Data, 1991, p. 1-4-6.



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