RES13 - Triple Comparator & Schmitt Trigger Board part Subst. Mouser Semis: 1 MC3401 LM3900 595-LM3900NIC Socket: 1 14 pin 575-199314 Caps: 3 220pF 140-50N5-221J-TB 2 100n 75-MKT1826410064 Resistors: 4 820k 271-820k 7 1M 271-1M 3 220k 271-220k 6 33k 271-33k 4 220R 271-220 3 470k 271-470k 3 22M 291-22M Power Header: 1 0.100 538-22-23-2041 Jacks: 11 3.5mm 16PJ135 Trimpots: 1 25k PT10V-25K Pots: 3 25k 313-1000-25K Power: +6V PCB connections: A = 3 + input B = 3 ramp input C = 3 output D = 2 + input E = 2 ramp input F = 2 output G = 1 + input H = 1 ramp input I = 1 output J = Schmitt input K = Schmitt output U = not used (0v) W = 0v X = not used Y = +6v Z = not used