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  2. Electronic mixer - Wikipedia

    en.wikipedia.org/wiki/Electronic_mixer

    Multiplicative mixers have been implemented in many ways. The most popular are Gilbert cell mixers, diode mixers, diode ring mixers (ring modulation) and switching mixers. Diode mixers take advantage of the non-linearity of diode devices to produce the desired multiplication in the squared term.

  3. Frequency mixer - Wikipedia

    en.wikipedia.org/wiki/Frequency_mixer

    Frequency mixer symbol. In electronics, a mixer, or frequency mixer, is an electrical circuit that creates new frequencies from two signals applied to it.In its most common application, two signals are applied to a mixer, and it produces new signals at the sum and difference of the original frequencies.

  4. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    Bridge rectifier (four diodes in a package) often changed to "D" for diode BT, BAT: Battery or battery holder: often shortened to "B" C: Capacitor: CB: Circuit breaker: CN: Capacitor network: may be simplified to "C" for capacitor D, CR: Diode (all types, including LED), thyristor "D" is preferred for various types of diodes DL: Delay line: DN ...

  5. Frequency multiplier - Wikipedia

    en.wikipedia.org/wiki/Frequency_multiplier

    Frequency multipliers have much in common with frequency mixers, and some of the same nonlinear devices are used for both: transistors operated in Class C and diodes. In transmitting circuits many of the amplifying devices ( vacuum tubes or transistors) operate nonlinearly and create harmonics, so an amplifier stage can be made a multiplier by ...

  6. Phase detector - Wikipedia

    en.wikipedia.org/wiki/Phase_detector

    A Type I detector is designed to be driven by analog signals or square-wave digital signals and produces an output pulse at the difference frequency. The Type I detector always produces an output waveform, which must be filtered to control the phase-locked loop voltage-controlled oscillator (VCO). A type II detector is sensitive only to the ...

  7. Power electronics - Wikipedia

    en.wikipedia.org/wiki/Power_electronics

    Power electronics is the application of electronics to the control and conversion of electric power. The first high-power electronic devices were made using mercury-arc valves . In modern systems, the conversion is performed with semiconductor switching devices such as diodes , thyristors , and power transistors such as the power MOSFET and IGBT .