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  2. 555 timer IC - Wikipedia

    en.wikipedia.org/wiki/555_timer_IC

    The 555 IC has the following operating modes: Astable (free-running) mode – The 555 operates as an electronic oscillator. Applications include: Light emitting diode and lamp flashers, pulse generation, pulse-width modulation (PWM), logic clocks, tone generation, security alarms, pulse-position modulation, etc.

  3. Relaxation oscillator - Wikipedia

    en.wikipedia.org/wiki/Relaxation_oscillator

    A similar relaxation oscillator can be built with a 555 timer IC (acting in astable mode) that takes the place of the neon bulb above. That is, when a chosen capacitor is charged to a design value, (e.g., 2/3 of the power supply voltage) comparators within the 555 timer flip a transistor switch that gradually discharges that capacitor through a ...

  4. Electronic oscillator - Wikipedia

    en.wikipedia.org/wiki/Electronic_oscillator

    Simple relaxation oscillator made by feeding back an inverting Schmitt trigger's output voltage through a RC network to its input.. An electronic oscillator is an electronic circuit that produces a periodic, oscillating or alternating current (AC) signal, usually a sine wave, square wave or a triangle wave, [1] [2] [3] powered by a direct current (DC) source.

  5. Signetics - Wikipedia

    en.wikipedia.org/wiki/Signetics

    Its engineers continued to innovate in IC technology, and remained a significant force. Around 1971, the Signetics introduced the innovative 555 timer IC, which it called "The IC Time Machine". [2] This was the first and only low-cost commercial IC timer available at the time, and soon became a best-seller.

  6. File:555 Bistable.svg - Wikipedia

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

    English: Diagram of a bistable circuit made using the 555 timer IC.A low pulse on the trigger line flips to set, and a low pulse on reset flops to reset.

  7. Boomers are sad they may never be grandparents as fewer ... - AOL

    www.aol.com/finance/boomers-sad-may-never...

    The birth rate in America has long been on a decline, with the fertility rate reaching historic lows in 2023. More women between ages 25 to 44 aren’t having children, for a number of reasons.

  8. 20 Quick & Easy Christmas Cookie Recipes - AOL

    www.aol.com/20-quick-easy-christmas-cookie...

    Bring the magic of the holidays to your kitchen this year with our easy Christmas cookie recipes. These sweet treats take no more than 25 minutes of prep work, making them perfect for hosting or a ...

  9. File:555 Pinout.svg - Wikipedia

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

    The following other wikis use this file: Usage on beta.wikiversity.org Con chíp IC 555; Usage on bn.wikipedia.org ৫৫৫ টাইমার