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Practical Electronics, September 1978 — Analogue Computer Part 1: Mathematical Operations and Circuits
First installment of a multi-part constructional series on building an analogue computer, published in Practical Electronics (Vol. 14, No. 13, September 1978). Covers the fundamental theory and circuit building blocks: summing amplifiers, integrators using 741 op-amps, coefficient multipliers (potentiometers), and mode-control logic (Compute / Hold / Reset with Initial Conditions). An overload warning facility is also described. Construction details were deferred to Part 2 (October 1978 issue).
analog computer constructionoperational amplifiersintegrators and summersanalog computing theory