Amplitude modulation

Industry

  • CPC
  • H03C1/00
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H03C1/02Details H03C1/04Means in or combined with modulating stage for reducing angle modulation H03C1/06Modification of modulator to reduce distorsion H03C1/08by means of variable impedance element H03C1/10the element being a current-dependent inductor H03C1/12the element being a voltage-dependent capacitor H03C1/14the element being a diode H03C1/16by means of discharge device having at least three electrodes H03C1/18carrier applied to control grid H03C1/20modulating signal applied to anode H03C1/22modulating signal applied to same grid H03C1/24modulating signal applied to different grid H03C1/26modulating signal applied to cathode H03C1/28by means of transit-time tube H03C1/30by means of a magnetron H03C1/32by deflection of electron beam in discharge tube H03C1/34by means of light-sensitive element H03C1/36by means of semiconductor device having at least three electrodes H03C1/46Modulators with mechanically or acoustically driven parts H03C1/48by means of Hall-effect devices H03C1/50by converting angle modulation to amplitude modulation H03C1/52Modulators in which carrier or one side-band are wholly or partially suppressed H03C1/54Balanced modulators H03C1/542comprising semiconductor devices with at least three electrodes H03C1/545using bipolar transistors H03C1/547using field-effect transistors H03C1/56comprising variable two-pole elements only H03C1/58comprising diodes H03C1/60with one sideband wholly or partially suppressed H03C1/62Modulators in which amplitude of carrier component in output is dependent upon strength of modulating signal

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