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  2. File:FET Armstrong oscillator.svg - Wikipedia

    en.wikipedia.org/wiki/File:FET_Armstrong...

    English: Diagram of an Armstrong oscillator circuit using a FET as the active device. The Armstrong oscillator, invented by Edwin Armstrong in 1913, was one of the earliest oscillator circuits. It is an LC oscillator, in which the frequency is determined by a tuned circuit consisting of the inductor L1 and capacitor C.

  3. Armstrong oscillator - Wikipedia

    en.wikipedia.org/wiki/Armstrong_oscillator

    The Armstrong oscillator [1] (also known as the Meissner oscillator [2]) is an electronic oscillator circuit which uses an inductor and capacitor to generate an oscillation. The Meissner patent from 1913 describes a device for generating electrical vibrations, a radio transmitter used for on–off keying. Edwin Armstrong presented in 1915 some ...

  4. File:TICKLER.svg - Wikipedia

    en.wikipedia.org/wiki/File:TICKLER.svg

    Download as PDF; Printable version; ... human=<your username> to this Template. ... Description = Armstrong oscillator which uses tickler coil ...

  5. File:Oscillator block diagram.svg - Wikipedia

    en.wikipedia.org/wiki/File:Oscillator_block...

    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.

  6. File:Oscillator diagram1.svg - Wikipedia

    en.wikipedia.org/wiki/File:Oscillator_diagram1.svg

    Oscillator block diagram.svg is the same image with A and β(jω) replaced with alternate variables G(jω) and H(jω). Oscillator diagram2.svg is the same image with the feedback loop shown broken, to show how loop gain is calculated.

  7. File:Oscillator diagram2.svg - Wikipedia

    en.wikipedia.org/wiki/File:Oscillator_diagram2.svg

    English: Block diagram of an electronic oscillator circuit, with the feedback loop broken to show how to calculate the loop gain. It consists of an amplifier element with amplification A, with its output V o fed back into its input V i through a feedback network with transfer function β(jω).

  8. File:Negative resistance oscillator block diagram.svg

    en.wikipedia.org/wiki/File:Negative_resistance...

    English: Block diagram of a negative resistance electronic oscillator, illustrating the "reference plane" analysis method.The circuit consists of a differential negative resistance device such as a Gunn diode or magnetron tube connected to a resonator such as a LC circuit, dielectric resonator, or cavity resonator.

  9. Voltage-controlled oscillator - Wikipedia

    en.wikipedia.org/wiki/Voltage-controlled_oscillator

    A voltage-controlled crystal oscillator (VCXO) is used for fine adjustment of the operating frequency. The frequency of a voltage-controlled crystal oscillator can be varied a few tens of parts per million (ppm) over a control voltage range of typically 0 to 3 volts, because the high Q factor of the crystals allows frequency control over only a ...