"Byl navr\u017Een integrovan\u00FD obvod pro m\u011B\u0159en\u00ED kapacitn\u00EDch senzor\u016F tlaku s vy\u017Eit\u00EDm sigma-delta modul\u00E1toru typu band-pass. Pro tento integrovan\u00FD obvod byl navr\u017Een matematick\u00FD model, kter\u00FD byl n\u00E1sledn\u011B simulov\u00E1n a modelov\u00E1n v prost\u0159ed\u00ED Matlab a Simulink. Pro generovan\u00ED nosn\u00E9ho harmonick\u00E9ho sign\u00E1lu byla pou\u017Eita digit\u00E1ln\u00ED sigma-delta modulace, kter\u00E1 byla navr\u017Eena pomoc\u00ED jazyku VHDL a n\u00E1sledn\u011B implementov\u00E1na do integrovan\u00E9ho obvodu. Pro korektn\u00ED b\u011Bh band-pass sigma delta modul\u00E1toru bylo pot\u0159eba navrhnout koherentn\u00ED vzorkov\u00E1n\u00ED vstupn\u00EDho sign\u00E1lu. Toto vzorkov\u00E1n\u00ED bylo rovn\u011B\u017E navr\u017Eeno v jazyku VHDL a \u00FAzce souvis\u00ED s generovan\u00FDm nosn\u00FDm harmonick\u00FDm sign\u00E1lem. Nejd\u016Fle\u017Eit\u011Bj\u0161\u00EDm po\u017Eadavkem bylo, aby vzorkovac\u00ED kmito\u010Det byl 4-kr\u00E1t v\u011Bt\u0161\u00ED ne\u017E kmito\u010Det nosn\u00E9ho harmonick\u00E9ho sign\u00E1lu. Navr\u017Een\u00E1 v\u00FDsledn\u00E1 struktura modul\u00E1toru sigma-delta typu band-pass je pak schopna vyhodnotit re\u00E1lnou i imagin\u00E1rn\u00ED slo\u017Eku m\u011B\u0159en\u00E9 impedance kapacitn\u00EDho senzoru tlaku. V" . . "band-pass sigma-delta modulator, pressure sensors"@en . . . "Integrovan\u00FD obvod ASIC pro m\u011B\u0159en\u00ED kapacitn\u00EDch senzor\u016F tlaku s vyu\u017Eit\u00EDm modul\u00E1toru sigma-delta typu band-pass"@cs . . "4"^^ . . "BANDPASS" . . . "Fujcik, Luk\u00E1\u0161" . "Integrated Circuit Utilizing Band-Pass Sigma-Delta Modulator For Pressure Sensors"@en . "Prokop, Roman" . "4"^^ . . "RIV/00216305:26220/07:PR22735!RIV08-GA0-26220___" . "A bandpass sigma-delta modulator (BP SDM) is used for conversion of signal from capacitive pressure sensor. This approach is absolutely new and unique, because this kind of modulator is utilized only for wireless and video applications. The main advantage of BP SDM is due to its defined band. That is why it is resistant against offsets of its sub-circuits. Another important advantage is low power consumption, since the BP SDM digitizes only narrow band instead of whole Nyquist band with similar dynamic range. The main stages are implemented in switched-capacitor (SC) technique."@en . . "[52D57D03F714]" . "H\u00E1ze, Ji\u0159\u00ED" . "26220" . . "UMEL, U4/217" . . . "Integrovan\u00FD obvod ASIC pro m\u011B\u0159en\u00ED kapacitn\u00EDch senzor\u016F tlaku s vyu\u017Eit\u00EDm modul\u00E1toru sigma-delta typu band-pass" . "Forejtek, Ji\u0159\u00ED" . "Integrovan\u00FD obvod ASIC pro m\u011B\u0159en\u00ED kapacitn\u00EDch senzor\u016F tlaku s vyu\u017Eit\u00EDm modul\u00E1toru sigma-delta typu band-pass" . . "RIV/00216305:26220/07:PR22735" . . "Integrovan\u00FD obvod ASIC pro m\u011B\u0159en\u00ED kapacitn\u00EDch senzor\u016F tlaku s vyu\u017Eit\u00EDm modul\u00E1toru sigma-delta typu band-pass"@cs . . . "Byl navr\u017Een integrovan\u00FD obvod pro m\u011B\u0159en\u00ED kapacitn\u00EDch senzor\u016F tlaku s vy\u017Eit\u00EDm sigma-delta modul\u00E1toru typu band-pass. Pro tento integrovan\u00FD obvod byl navr\u017Een matematick\u00FD model, kter\u00FD byl n\u00E1sledn\u011B simulov\u00E1n a modelov\u00E1n v prost\u0159ed\u00ED Matlab a Simulink. Pro generovan\u00ED nosn\u00E9ho harmonick\u00E9ho sign\u00E1lu byla pou\u017Eita digit\u00E1ln\u00ED sigma-delta modulace, kter\u00E1 byla navr\u017Eena pomoc\u00ED jazyku VHDL a n\u00E1sledn\u011B implementov\u00E1na do integrovan\u00E9ho obvodu. Pro korektn\u00ED b\u011Bh band-pass sigma delta modul\u00E1toru bylo pot\u0159eba navrhnout koherentn\u00ED vzorkov\u00E1n\u00ED vstupn\u00EDho sign\u00E1lu. Toto vzorkov\u00E1n\u00ED bylo rovn\u011B\u017E navr\u017Eeno v jazyku VHDL a \u00FAzce souvis\u00ED s generovan\u00FDm nosn\u00FDm harmonick\u00FDm sign\u00E1lem. Nejd\u016Fle\u017Eit\u011Bj\u0161\u00EDm po\u017Eadavkem bylo, aby vzorkovac\u00ED kmito\u010Det byl 4-kr\u00E1t v\u011Bt\u0161\u00ED ne\u017E kmito\u010Det nosn\u00E9ho harmonick\u00E9ho sign\u00E1lu. Navr\u017Een\u00E1 v\u00FDsledn\u00E1 struktura modul\u00E1toru sigma-delta typu band-pass je pak schopna vyhodnotit re\u00E1lnou i imagin\u00E1rn\u00ED slo\u017Eku m\u011B\u0159en\u00E9 impedance kapacitn\u00EDho senzoru tlaku. V"@cs . . . "v\u00FDvoj 700 tis. K\u010D, know-how 250 tis. K\u010D" . . "me\u0159en\u00E1 kapacita C v rozsahu 50-250 pF" . . . "426982" . "P(1QS201710508), P(GA102/05/0869)" . . "Integrated Circuit Utilizing Band-Pass Sigma-Delta Modulator For Pressure Sensors"@en .