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  2. Push–pull output - Wikipedia

    en.wikipedia.org/wiki/Pushpull_output

    A Class B pushpull output driver using a pair of complementary PNP and NPN bipolar junction transistors configured as emitter followers. A pushpull amplifier is a type of electronic circuit that uses a pair of active devices that alternately supply current to, or absorb current from, a connected load. This kind of amplifier can enhance ...

  3. Virtual Valve Amplifier - Wikipedia

    en.wikipedia.org/wiki/Virtual_Valve_Amplifier

    Bias of a push-pull amplifier may be set to make both sides conduct at all times (amplifier class A), to make only one side conduct at a time (class B), or intermediate (class AB). Class A uses more power for the same output (i.e., is less efficient), can produce less output power from the same devices, and produces lower distortion, than ...

  4. List of free electronics circuit simulators - Wikipedia

    en.wikipedia.org/wiki/List_of_free_electronics...

    List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE.The following table is split into two groups based on whether it has a graphical visual interface or not.

  5. Power amplifier classes - Wikipedia

    en.wikipedia.org/wiki/Power_amplifier_classes

    Class-B amplifiers are also favoured in battery-operated devices, such as transistor radios. Class B has a maximum theoretical efficiency of π/4 (≈ 78.5%). [15] A practical circuit using class-B elements is the pushpull stage, such as the very simplified complementary pair arrangement shown at right. Complementary devices are each used ...

  6. Crossover distortion - Wikipedia

    en.wikipedia.org/wiki/Crossover_distortion

    Crossover distortion is a type of distortion which is caused by switching between devices driving a load. [1] It is most commonly seen in complementary, or "push-pull", class-B amplifier stages, although it is occasionally seen in other types of circuits as well.

  7. Tube sound - Wikipedia

    en.wikipedia.org/wiki/Tube_sound

    A class-A pushpull amplifier produces low distortion for any given level of applied feedback, and also cancels the flux in the transformer cores, so this topology is often seen by HIFI-audio enthusiasts and do-it-yourself builders as the ultimate engineering approach to the tube Hi-fi amplifier for use with normal speakers.

  8. Bipolar transistor biasing - Wikipedia

    en.wikipedia.org/wiki/Bipolar_transistor_biasing

    Class B bias is when the collector current I c with no signal is just conducting (about 1% of maximum possible value). Class-AB bias is when the collector current I c is about 1 ⁄ 4 of maximum possible value. The class-AB pushpull output amplifier circuit below could be the basis for a moderate-power audio amplifier.

  9. 807 (vacuum tube) - Wikipedia

    en.wikipedia.org/wiki/807_(vacuum_tube)

    807s were used in audio power amplifiers, both for public address and Hi-Fi application, usually being run in push-pull pairs in class AB1 or AB2 giving up to 120 watts of usable power. The plate voltage limit is 750 volts and the screen grid limited to 300 volts.