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  2. 555 timer IC - Wikipedia

    en.wikipedia.org/wiki/555_timer_IC

    In 1972, Signetics originally released the 555 timer in DIP-8 and TO5-8 metal can packages, and the 556 timer was released in a DIP-14 package. [ 4 ] In 2006, the dual 556 timer was available in through-hole packages as DIP-14 (2.54 mm pitch), [ 21 ] and surface-mount packages as SO-14 (1.27 mm pitch) and SSOP-14 (0.65 mm pitch).

  3. File:555 Astable Diagram.svg - Wikipedia

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

    Circuit diagram of a standard 555 Astable circuit. The design equations can be found here. Date: 20 June 2006: Source: ... Timer 555; Usage on pt.wikipedia.org CI 555;

  4. File:PWM-using-555-Timer-Circuit-Diagram.webp - Wikipedia

    en.wikipedia.org/wiki/File:PWM-using-555-Timer...

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  5. Frequency multiplier - Wikipedia

    en.wikipedia.org/wiki/Frequency_multiplier

    Frequency multipliers are often used in frequency synthesizers and communications circuits. It can be more economical to develop a lower frequency signal with lower power and less expensive devices, and then use a frequency multiplier chain to generate an output frequency in the microwave or millimeter wave range. Some modulation schemes, such ...

  6. Crystal oscillator frequencies - Wikipedia

    en.wikipedia.org/wiki/Crystal_oscillator_frequencies

    Using frequency dividers, frequency multipliers and phase locked loop circuits, it is practical to derive a wide range of frequencies from one reference frequency. The UART column shows the highest common baud rate (under 1,000,000), assuming a clock pre-divider of 16 is resolved to an exact integer baud rate. Though some UART variations have ...

  7. File:555 Monostable.svg - Wikipedia

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

    English: Diagram of a monostable circuit made using the 555 timer IC. A low pulse on the trigger line starts the monostable. Date: 23 June 2009: Source: Own work: Author:

  8. Time-to-digital converter - Wikipedia

    en.wikipedia.org/wiki/Time-to-digital_converter

    Typically a TDC uses a crystal oscillator reference frequency for good long term stability. High stability crystal oscillators are usually relative low frequency such as 10 MHz (or 100 ns resolution). [5] To get better resolution, a phase-locked loop frequency multiplier can be used to generate a faster clock. One might, for example, multiply ...

  9. Clock generator - Wikipedia

    en.wikipedia.org/wiki/Clock_generator

    Circuit diagram of a clock generator A desktop PC clock generator, based on the chip ICS 952018AF and 14.3 MHz resonator (on the left) A laptop PC clock generator, based on the Silego chip A clock generator is an electronic oscillator that produces a clock signal for use in synchronizing a circuit's operation.

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