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Date/Time Thumbnail Dimensions User Comment; current: 21:57, 17 October 2011: 832 × 514 (30 KB): Ea91b3dd: Fixed subscript since thumbnail generator doesn't do percentage font sizes.
This op amp was based on a descendant of Loebe Julie's 1947 design and, along with its successors, would start the widespread use of op amps in industry. GAP/R model P45: a solid-state, discrete op amp (1961). 1961: A discrete IC op amp. With the birth of the transistor in 1947, and the silicon transistor in 1954, the concept of ICs became a ...
A pinout diagram of the LM741 Opamp in a round "tin can" style case. Date: 22 January 2008: Source: Self-made, Inkscape: Author: Inductiveload: Permission (Reusing ...
A pinout diagram of the LM741 operational amplifier when in a square IC package (DIP or SOIC, as opposed to "tin can" packages). Date: 22 January 2008: Source: Self-made, Inkscape: Author: Inductiveload: Permission (Reusing this file)
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Diagram from Widlar's original patent. A Widlar current source is a modification of the basic two-transistor current mirror that incorporates an emitter degeneration resistor for only the output transistor, enabling the current source to generate low currents using only moderate resistor values.
Date/Time Thumbnail Dimensions User Comment; current: 02:31, 11 May 2007: 770 × 490 (12 KB): Vadmium: Transistor-level schematic for a 741 op-amp.Hand-crafted by User:Vadmium in a text editor, as an SVG replacement for Image:Opamptransistorlevel.png.
English: Transistor-level schematic for a 741 op-amp, color coded and labeled. Dotted lines outline: current mirrors (red); differential amplifier (blue); class A gain stage (magenta); voltage level shifter (green); output stage (cyan).