FSK-EMPFÄNGER FÜR EIN HÖRGERÄT UND VERFAHREN ZUM VERARBEITEN EINES FSK-SIGNALS
A hearing aid comprises a wireless Frequency-Shift-Keying (FSK) receiver. The receiver has an antenna receiving an FSK signal, a first amplifier stage amplifying the FSK signal, a limiter stage limiting the amplified FSK signal, a plurality of parallel phase detection stages and a lookup table block...
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Zusammenfassung: | A hearing aid comprises a wireless Frequency-Shift-Keying (FSK) receiver. The receiver has an antenna receiving an FSK signal, a first amplifier stage amplifying the FSK signal, a limiter stage limiting the amplified FSK signal, a plurality of parallel phase detection stages and a lookup table block. Each phase detection stage comprises a local oscillator, a mixer stage, a filter stage, and a comparator stage. The output of each of the respective comparator stages is provided to the input of the look-up table block. The invention also relates to a method for processing a wireless FSK signal for providing a signal for a hearing aid, and a wireless FSK receiver. |
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