RICEVITORE E CORRISPONDENTE PROCEDIMENTO
A receiver for digital signals includes a radiofrequency stage. A feedback loop controls an amplitude of a modulated radiofrequency signal passing through the radiofrequency stage as a function of a comparison of a baseband signal with a reference value. A baseband stage includes an RC network casca...
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| creator | GUERRA, RANIERI LAROSA, ROBERTO PALMISANO, GIUSEPPE |
| description | A receiver for digital signals includes a radiofrequency stage. A feedback loop controls an amplitude of a modulated radiofrequency signal passing through the radiofrequency stage as a function of a comparison of a baseband signal with a reference value. A baseband stage includes an RC network cascaded to the radiofrequency stage and coupled to a baseband detector that generates the baseband signal. The feedback loop includes a circuit for detecting a range of variation of the comparison. The amplitude of the modulated radiofrequency signal is controlled as a function of an end value (e.g., maximum or minimum) of the detected range of variation. A switching circuit operates to selectively short circuit a resistive component of the RC network during receiver start-up. |
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| subjects | BASIC ELECTRONIC CIRCUITRY DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TOANOTHER ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY TRANSMISSION WIRELESS COMMUNICATIONS NETWORKS |
| title | RICEVITORE E CORRISPONDENTE PROCEDIMENTO |
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