• A frequency-lock, or frequency-locked loop (FLL), is an electronic control system that generates a signal that is locked to the frequency of an input...
    3 KB (281 words) - 17:52, 10 August 2024
  • 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...
    52 KB (7,669 words) - 23:43, 15 September 2024
  • synthesis, frequency mixing, and phase-locked loops to generate its frequencies. The stability and accuracy of the frequency synthesizer's output are related...
    25 KB (3,026 words) - 19:32, 26 October 2024
  • of a frequency: f o u t = f i n N {\displaystyle f_{out}={\frac {f_{in}}{N}}} where N {\displaystyle N} is an integer. Phase-locked loop frequency synthesizers...
    7 KB (993 words) - 08:41, 12 October 2024
  • Thumbnail for Delay-locked loop
    In electronics, a delay-locked loop (DLL) is a pseudo-digital circuit similar to a phase-locked loop (PLL), with the main difference being the absence...
    5 KB (750 words) - 12:17, 27 April 2024
  • A Costas loop is a phase-locked loop (PLL) based circuit which is used for carrier frequency recovery from suppressed-carrier modulation signals (e.g...
    15 KB (2,382 words) - 10:24, 10 October 2024
  • (acquisition range), and lock-in range are widely used by engineers for the concepts of frequency deviation ranges within which phase-locked loop-based circuits...
    12 KB (1,423 words) - 11:55, 5 January 2024
  • United States Four Letter Lie, an American post-hardcore band Frequency-locked loop Lebanese Liberation Front (French: Front de Liberation Libanais)...
    393 bytes (75 words) - 04:36, 19 October 2016
  • can degrade the performance of phase-locked loops and RF integrated circuits. Injection pulling and injection locking can be observed in numerous physical...
    16 KB (1,907 words) - 01:26, 1 September 2024
  • A PLL multibit or multibit PLL is a phase-locked loop (PLL) which achieves improved performance compared to a unibit PLL by using more bits. Unibit PLLs...
    9 KB (1,239 words) - 01:16, 19 May 2024
  • Thumbnail for Frequency comb
    mode-locked laser's repetition rate or, alternatively, the modulation frequency), and f 0 {\displaystyle f_{0}} is the carrier offset frequency, which...
    35 KB (4,245 words) - 18:21, 7 July 2024
  • Thumbnail for Phase detector
    the difference frequency. The Type I detector always produces an output waveform, which must be filtered to control the phase-locked loop voltage-controlled...
    13 KB (1,759 words) - 18:29, 17 September 2024
  • Thumbnail for Charge-pump phase-locked loop
    Charge-pump phase-locked loop (CP-PLL) is a modification of phase-locked loops with phase-frequency detectors and square waveform signals. A CP-PLL allows...
    13 KB (2,563 words) - 11:52, 25 May 2024
  • designing frequency multiplier circuits. Graphene can work over a large frequency range due to its unique characteristics. A phase-locked loop (PLL) uses...
    14 KB (1,759 words) - 21:01, 16 October 2024
  • Clock drift Phase noise Automatic frequency control (AFC) Phase-locked loop (PLL) "Frequency Drift". Time and Frequency from A to Z. Boulder, CO, USA: National...
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  • Thumbnail for Voltage-controlled oscillator
    voltage-controlled. Analog phase-locked loops typically contain VCOs. High-frequency VCOs are usually used in phase-locked loops for radio receivers. Phase...
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  • Thumbnail for Chip-scale atomic clock
    photodetector is used as feedback in a frequency locked loop circuit to keep the oscillator at the correct frequency. Conventional vapor cell atomic clocks...
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  • oscillator frequency keeping it in lock with the wanted signal. This type of feedback circuit evolved into what is now known as a phase-locked loop. While...
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  • amplifier will oscillate at the frequency at which its open loop gain equals its closed loop gain if, at that frequency, The open loop gain of the amplifier is...
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  • Phase lock loop circuits are particularly vulnerable because the VCO loop filter circuit is working with sub-microvolt signals when the loop is locked, and...
    30 KB (4,210 words) - 05:04, 9 September 2024
  • Thumbnail for Diode
    PLL (phase-locked loop) and FLL (frequency-locked loop) circuits, allowing tuning circuits, such as those in television receivers, to lock quickly on...
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  • dividers, frequency multipliers and phase locked loop circuits, it is practical to derive a wide range of frequencies from one reference frequency. The UART...
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  • Thumbnail for Automatic frequency control
    sufficiently stable frequencies that AFCs were no longer needed. Automatic gain control (AGC) Frequency drift Phase-locked loop (PLL) Radar tutorial...
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  • techniques) and a phase detector, a control-loop can be set up so that the VCO's output is frequency-locked to a crystal-controlled reference oscillator...
    14 KB (1,844 words) - 20:50, 16 August 2024
  • Thumbnail for Direct digital synthesis
    synthesizers and as part of a digital phase-locked loop. A basic Direct Digital Synthesizer consists of a frequency reference (often a crystal or SAW oscillator)...
    8 KB (872 words) - 04:34, 9 May 2024
  • Thumbnail for Non-contact atomic force microscopy
    a phase-locked loop) to always drive the sensor on resonance (frequency modulation). The two most common modes of nc-AFM operation, frequency modulation...
    35 KB (4,141 words) - 01:39, 1 October 2024
  • Thumbnail for Detector (radio)
    producing a voltage directly proportional to the frequency. The phase-locked loop detector requires no frequency-selective LC network to accomplish demodulation...
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  • to be "phase-locked" or "mode-locked". Although laser light is perhaps the purest form of light, it is not of a single, pure frequency or wavelength...
    27 KB (3,842 words) - 01:08, 14 July 2024
  • shift with the additional use of a delay-locked loop. Eliminating clock skew within an FPGA design. Phase-locked loop "Using Digital Clock Managers (DCMs)...
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  • Thumbnail for Wadley loop
    loop", also known as a "Wadley loop", is a system of two oscillators, a frequency synthesizer, and two frequency mixers in the radio-frequency signal...
    7 KB (954 words) - 18:17, 29 October 2024