operator-manual · English
Hybrid Precision Analog Computer System RA 770 D — Operating Manual, Part 1
Part 1 of the operator's manual for the AEG-Telefunken RA 770D Hybrid Precision Analog Computer System, covering introduction, computer design and equipment, operating and control procedures, and programming. The RA 770D is a high-precision hybrid analog/digital computer featuring silicon-planar transistor amplifiers, low-drift operational amplifiers, and a modular drawer-based chassis expandable with additional computing units. The manual is organized into sections covering mechanical layout, computing elements (integrators, summers, multipliers, non-linear networks), operating controls, and programming techniques.
hybrid analog computeroperating manualcomputer layout and equipmentprogramming