maintenance-manual · English
Block Diagram of Quad DC Amplifier (Hitachi 210/240 Maintenance Manual Excerpt)
A single-page excerpt from the Hitachi 210/240 Maintenance Manual presenting Fig. 5.1.1, a block diagram of the Quad DC Amplifier. The diagram illustrates the major functional sections: Input Protective Circuit, DC Amp Portion (with output current limiter), Chopper Portion, Chopper Amplifier Portion, Chopper Portion Filter, and SI Detector (D Signal). This chopper-stabilized amplifier architecture is typical of precision analog computing elements used in the Hitachi 210/240 system.
operational amplifierDC amplifierchopper amplifierblock diagram