operator-manual · English
Hitachi Analog Computer 505 Operation Manual
The complete operator's manual for the Hitachi Analog Computer 505, a solid-state modular analog computer manufactured by Hitachi, Ltd. The manual covers all operating procedures including pre-patch panel insertion and removal, amplifier balance, monitoring and control systems (output selector SL-25A, digital voltmeter DV-25L, mode control), potentiometers, operational amplifiers (DA-151), quarter-square multipliers (EM-151), six types of function generators, comparators, free diodes, transfer delay elements, automatic operator, mode control panel, timers, and repetitive operation. The computer operates on a ±100 V reference and supports multiple computing consoles in a master-slave configuration.
analog computer operationoperational amplifiersfunction generatorspatch programming