Modulation transformer: Difference between revisions

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categorization/tagging using AWB
K7jeb (talk | contribs)
Changed 'output power' to 'input power', which is technically correct. Added reference to 'transistor' as well as 'tube'
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A '''modulation transformer''' is an [[Transformer|audio-frequency transformer]] that forms a major part of most [[Amplitude modulation|AM]] transmitters. The primary winding of a modulation transformer is fed by an audio amplifier that has about 1/2 of the rated outputinput power of the transmitter's final amplifier stage. The secondary winding is in series with the power supply of thethat final radio-frequency amplifier stage, thereforethereby lowering and rising the operating voltage of the power amplifier (PA) tube or transistor. Considering that the PA tubedevice is operated inas a [[Electronic_amplifier#Class_C|class-C]] modeamplifier, i.e. likeas a switch, the modulation transformer is responsible for the AMamplitude modulation (AM) of the transmitter.
 
{{Uncategorized|date=August 2011}}