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A modulation transformer is an audio-frequency transformer that forms a major part of most AM transmitters. The primary winding of a modulation transformer is fed by an audio amplifier that has about 1/2 of the rated input power of the transmitter's final amplifier stage.
Special-purpose transformers capable of handling 1250 watts down as low as 50 Hz are available. [4] One problem with high power, high current transformers is that fewer can be used on a single constant-voltage line. Larger diameter speaker wire is recommended. Larger transformers needed for high power handling have reduced high-frequency response.
Output transformerless (OTL) is a type of vacuum tube audio power amplifier, which omits an output transformer for the purpose of greater linearity and fidelity. Conventional vacuum tube amplifier designs rely upon an output transformer to couple the amplifier's output stage to the loudspeaker.
An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the magnitude of a signal (a time-varying voltage or current). It is a two-port electronic circuit that uses electric power from a power supply to increase the amplitude (magnitude of the voltage or current) of a signal applied to its input ...
Called Fugatto, or Foundational Generative Audio Transformer Opus 1, the model is a research project. Nvidia says it’s not announcing any plans to release the technology, but it could have broad ...
When modulation is applied to the plate of the final tube, a large audio amplifier is needed for the modulation stage, equal to 1/2 of the DC input power of the modulated stage. Traditionally the modulation is applied using a large audio transformer. However many different circuits have been used for high level AM modulation. See Amplitude ...
To date, Acoustat and Beveridge built the only commercial "transformer-less" electrostatic loudspeaker. [citation needed] In this design, the audio signal is applied directly to the stators from a built-in high-voltage valve amplifier (as valves are also high impedance devices), without use of a step-up transformer.
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