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  2. 555 timer IC - Wikipedia

    en.wikipedia.org/wiki/555_timer_IC

    Silicon die of the first 555 chip (1971) Die of a CMOS NXP ICM7555 chip. The timer IC was designed in 1971 by Hans Camenzind under contract to Signetics. [3] In 1968, he was hired by Signetics to develop a phase-locked loop (PLL) IC. He designed an oscillator for PLLs such that the frequency did not depend on the power supply voltage or ...

  3. Signetics - Wikipedia

    en.wikipedia.org/wiki/Signetics

    Signetics Corporation was an American electronics manufacturer specifically established to make integrated circuits. [1] Founded in 1961, they went on to develop a number of early microprocessors and support chips, as well as the widely used 555 timer chip. The company was bought by Philips in 1975 and incorporated in Philips Semiconductors ...

  4. Hans Camenzind - Wikipedia

    en.wikipedia.org/wiki/Hans_Camenzind

    Hans R. Camenzind (Swiss Standard German: [ˈkaːməntsɪnd]; 1 January 1934 – 8 August 2012 [1]) was an electronics engineer known for designing the 555 timer IC in 1971 under contract to Signetics. [2] He was the inventor on 20 US patents.

  5. File:NE555 Bloc Diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:NE555_Bloc_Diagram.svg

    English: The NE555 contains 24 bipolar transistors, two diodes and 15 resistors that form six functional blocks: Between the supply voltage VCC (+) and the ground GND (-) is a voltage divider consisting of three identical resistors which, when connected not from the outside, the two reference voltages ¹ / 3 VCC and ² / 3 VCC supplies.

  6. File:555 Pinout.svg - Wikipedia

    en.wikipedia.org/wiki/File:555_Pinout.svg

    NE 555; Usage on nl.wikipedia.org NE555; Usage on pl.wikipedia.org Timer 555; Usage on pt.wikipedia.org CI 555; Usage on vi.wikibooks.org Sách điện tử/Linh kiện điện tử/Con chip IC 555; Công thức điện tử; Công thức điện tử/Linh kiện điện tử; Sách điện/Mạch điện tích hợp/IC 555

  7. Man Who Stabbed His Father 50 Times Reportedly Tells ... - AOL

    www.aol.com/man-stabbed-father-50-times...

    Jeffrey Goedde, 41, handed himself into the Jefferson County Sheriff’s Office on Wednesday, Dec. 18, according to court documents seen by PEOPLE

  8. Schmitt trigger - Wikipedia

    en.wikipedia.org/wiki/Schmitt_trigger

    A > 1 is the amplifier gain B < 1 is the feedback transfer function. Circuits with hysteresis are based on positive feedback. Any active circuit can be made to behave as a Schmitt trigger by applying positive feedback so that the loop gain is more than one. The positive feedback is introduced by adding a part of the output voltage to the input ...

  9. 3 money moves you can’t afford to skip before Trump takes office

    www.aol.com/finance/3-money-moves-t-afford...

    1. Build up your emergency fund. On the campaign trail, Trump touted the virtues of tariffs as a way to raise revenue for the government and bring jobs to the U.S. Trump promised any number of ...

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