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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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Millman and Taub observe that "As a matter of fact, the only essential difference between the tuned oscillator and the blocking oscillator is in the tightness of coupling between the transformer windings." (p. 616) I will do some work on this article at some point or other. (I will need to review the analyses myself; they are non-trivial).
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).
Squegging is a radio engineering term. It is a contraction of self-quenching.A squegging or self-blocking oscillator produces an intermittent or changing output signal. . Wildlife tags for birds and little mammals use squegging oscillat
This circuit compares the frequency of a controlled oscillator to the reference, automatically raising or lowering the frequency of the oscillator until its frequency (but not necessarily its phase) is matched to that of the reference. A frequency-locked loop is an example of a control system using negative feedback. Frequency-lock loops are ...
The joule thief is not a new concept. Basically, it adds an LED to the output of a self-oscillating voltage booster, which was patented many decades ago.. US Patent 1949383, [1] filed in 1930, "Electronic device", describes a vacuum tube based oscillator circuit to convert a low voltage into a high voltage.
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 of an internal voltage-controlled oscillator, replaced by a delay line.