Semiconductor parts :
- IC1,IC2: 6458D or TA75558P (Dual operational amplifier)
- IC3: LA6358 or TA75358P (Dual operational amplifier)
- IC4: MN3207 (1024 stage BBD)
- IC5: MN3102 (BBD driver)
- IC6: D4027BC or TC4027BAP (Dual J-K Master/Slave Flip-Flop)
- Q1-Q3,Q5,Q7-Q9: 2SC1815 or equivalents (NPN silicon transistors)
- Q4,Q6,Q9: 2SK772, 2SK445 or equivalents (N-Channel JFET)
- D1-D6: 1N4148 or equivalents (switching diodes)
- ZD1: 5.1V Zener diode
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