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+The schematic for single cascade is available in Fig. 2 in the following document
+https://o-esd.etf.bg.ac.rs/forgejo/dragan.olcan/O-ESD/raw/branch/main/Documents/O-ESD-02.pdf
+
+Currently diodes 1N4007, BY6 and BY8, as well as capacitors of 100pF, 470pF, 1nF and 2.2nF are being tested.