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A blocking oscillator (sometimes called a pulse oscillator) is a simple configuration of discrete electronic components which can produce a free-running signal, requiring only a resistor, a transformer, and one amplifying element such as a transistor or vacuum tube.
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crystal oscillator An electronic oscillator whose frequency is stabilized by a piezoelectric crystal resonator element. Ćuk converter One kind of buck-boost voltage converter that uses a capacitor as an energy storage element. current The movement of electric charge. current density The current flowing per unit area of a conductor. current ...
Injection pulling and injection locking can be observed in numerous physical systems where pairs of oscillators are coupled together. Perhaps the first to document these effects was Christiaan Huygens, the inventor of the pendulum clock, who was surprised to note that two pendulum clocks which normally would keep slightly different time nonetheless became perfectly synchronized when hung from ...
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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 or "reference" signal. [1] This circuit compares the frequency of a controlled oscillator to the reference, automatically raising or lowering the frequency of the oscillator until its frequency ...
English: Abstract block diagram of an electronic oscillator. It consists of an amplifying element with transfer function G(jω) with its output fed back into it's input through a feedback network with transfer function H(jω). The output voltage is labelled V o and the feedback voltage is labelled V f.
The Armstrong super-regenerative radio receiver uses a self-blocking oscillator, too. The receiver sensitivity rises while the oscillation builds up. The oscillation stops when the operation point no longer fulfills the Barkhausen stability criterion. The blocking oscillator recovers to the initial state and the cycle starts again. [2]