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  2. Frequency divider - Wikipedia

    en.wikipedia.org/wiki/Frequency_divider

    For power-of-2 integer division, a simple binary counter can be used, clocked by the input signal. The least-significant output bit alternates at 1/2 the rate of the input clock, the next bit at 1/4 the rate, the third bit at 1/8 the rate, etc. An arrangement of flipflops is a classic method for integer-n division. Such division is frequency ...

  3. Time-to-digital converter - Wikipedia

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

    In some cases [1] interpolating TDCs are also called time counters (TCs). TDCs are used to determine the time interval between two signal pulses (known as start and stop pulse). Measurement is started and stopped when the rising or falling edge of a signal pulse crosses a set threshold.

  4. Prescaler - Wikipedia

    en.wikipedia.org/wiki/Prescaler

    A prescaler is an electronic counting circuit used to reduce a high frequency electrical signal to a lower frequency by integer division.The prescaler takes the basic timer clock frequency (which may be the CPU clock frequency or may be some higher or lower frequency) and divides it by some value before feeding it to the timer, according to how the prescaler register(s) are configured.

  5. Phase-locked loop - Wikipedia

    en.wikipedia.org/wiki/Phase-locked_loop

    A phase-locked loop or phase lock loop (PLL) is a control system that generates an output signal whose phase is fixed relative to the phase of an input signal. Keeping the input and output phase in lockstep also implies keeping the input and output frequencies the same, thus a phase-locked loop can also track an input frequency.

  6. List of 7400-series integrated circuits - Wikipedia

    en.wikipedia.org/wiki/List_of_7400-series...

    decade counter (separate divide-by-2 and divide-by-5 sections) 14 SN74LS90: 74x91 1 8-bit shift register, serial in, serial out, gated input 14 SN74LS91: 74x92 1 divide-by-12 counter (separate divide-by-2 and divide-by-6 sections) 14 SN74LS92: 74x93 1 4-bit binary counter (separate divide-by-2 and divide-by-8 sections); different pinout for ...

  7. 15 Foods You Should Buy When They're on Sale - AOL

    www.aol.com/finance/15-foods-buy-theyre-sale...

    But before you start skipping meals, shop smart and save a buck. Keep an eye out for sales, download apps like Flipp to spot deals, and stock up on foods with a decent shelf life or that freeze well.

  8. Valerie Bertinelli marks two years of being divorced with ...

    www.aol.com/valerie-bertinelli-marks-two-years...

    Valerie Bertinelli is looking on the bright side of divorce — and her fans couldn't be more grateful for her candor. The actor and TV personality, 64, appeared to celebrate the two-year ...

  9. Dual-modulus prescaler - Wikipedia

    en.wikipedia.org/wiki/Dual-modulus_prescaler

    The lower, yellow trace is the N counter output whose frequency corresponds to the channel spacing frequency of 30 kHz. The green trace is the output from the dual-modulus prescaler, which happens to correspond to 7.1714 MHz in the case that the prescaler is at 128 and 7.1158 when it is at 129.